* btrfs hang on brd @ 2011-05-31 7:03 Adrian Hunter 2011-06-01 8:54 ` David Sterba 0 siblings, 1 reply; 6+ messages in thread From: Adrian Hunter @ 2011-05-31 7:03 UTC (permalink / raw) To: chris.mason; +Cc: linux-btrfs Hi I seem to be able to get btrfs reproducibly to produce warnings and finally hang when running a stress test on a ramdisk. Testing was done using the "integration-test" branch of btrfs-unstable. Note that I also tested v2.6.39 and "integration-test" took much longer to hang i.e. it is an improvement The test script and stack dumps are below. Is this a valid test? Is it worth me investigating these? Regards Adrian Test ---- #!/bin/sh sudo modprobe brd rd_size=262144 sudo umount /mnt/test/ 2> /dev/null echo 'mkfs.btrfs /dev/ram0' sudo mkfs.btrfs /dev/ram0 sudo mkdir -p /mnt/test echo 'mount -t btrfs /dev/ram0 /mnt/test' sudo mount -t btrfs /dev/ram0 /mnt/test sudo mkdir -p /mnt/test/test sudo chown $USER /mnt/test/test sudo chgrp $USER /mnt/test/test sudo umount /mnt/test full=0 i=0 while true; do sudo mount -t btrfs /dev/ram0 /mnt/test if df | grep ram0 | grep 100% > /dev/null; then full=`expr $full \+ 1` if test $full -gt 6;then rm -rf /mnt/test/test/* full=0 fi else full=0 fi fsstress -c -r -d /mnt/test/test -p 3 -n 1000 -l 10 sudo umount /mnt/test i=`expr $i \+ 1` echo $i done Stack dumps for warnings ------------------------ [ 7481.520750] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 7481.520753] Hardware name: XPS 8300 [ 7481.520754] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 7481.520805] Pid: 3980, comm: btrfs-endio-wri Not tainted 2.6.39-integration-test-20110526-01+ #2 [ 7481.520808] Call Trace: [ 7481.520818] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [ 7481.520824] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [ 7481.520838] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 7481.520865] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 7481.520875] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 7481.520883] [<ffffffffa02d1300>] ? btrfs_set_item_key+0x3/0x20 [btrfs] [ 7481.520892] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [ 7481.520910] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [ 7481.520925] [<ffffffffa02e3e66>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 7481.520936] [<ffffffffa02d2124>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 7481.520955] [<ffffffffa02f9319>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 7481.520960] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [ 7481.520966] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [ 7481.520972] [<ffffffff8110d58c>] ? slab_pre_alloc_hook.clone.32+0x2d/0x31 [ 7481.520977] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [ 7481.521002] [<ffffffffa02f09fa>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 7481.521027] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 7481.521044] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 7481.521060] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 7481.521065] [<ffffffff81141934>] bio_endio+0x2d/0x2f [ 7481.521087] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [ 7481.521101] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [ 7481.521116] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 7481.521119] [<ffffffff81068dce>] kthread+0x82/0x8a [ 7481.521124] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [ 7481.521136] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [ 7481.521141] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [ 7481.521144] ---[ end trace abb147a5624a0a24 ]--- [ 7481.521161] ------------[ cut here ]------------ [ 7481.521176] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 7481.521178] Hardware name: XPS 8300 [ 7481.521180] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 7481.521237] Pid: 3980, comm: btrfs-endio-wri Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [ 7481.521240] Call Trace: [ 7481.521245] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [ 7481.521250] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [ 7481.521288] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 7481.521303] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 7481.521313] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 7481.521322] [<ffffffffa02d1300>] ? btrfs_set_item_key+0x3/0x20 [btrfs] [ 7481.521341] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [ 7481.521353] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [ 7481.521378] [<ffffffffa02e3e66>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 7481.521388] [<ffffffffa02d2124>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 7481.521405] [<ffffffffa02f9319>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 7481.521410] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [ 7481.521415] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [ 7481.521420] [<ffffffff8110d58c>] ? slab_pre_alloc_hook.clone.32+0x2d/0x31 [ 7481.521426] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [ 7481.521441] [<ffffffffa02f09fa>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 7481.521470] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 7481.521496] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 7481.521511] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 7481.521516] [<ffffffff81141934>] bio_endio+0x2d/0x2f [ 7481.521539] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [ 7481.521565] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [ 7481.521581] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 7481.521586] [<ffffffff81068dce>] kthread+0x82/0x8a [ 7481.521591] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [ 7481.521596] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [ 7481.521601] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [ 7481.521604] ---[ end trace abb147a5624a0a25 ]--- [ 7481.521639] ------------[ cut here ]------------ [ 7481.521654] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 7481.521658] Hardware name: XPS 8300 [ 7481.521669] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 7481.521736] Pid: 3980, comm: btrfs-endio-wri Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [ 7481.521739] Call Trace: [ 7481.521745] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [ 7481.521750] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [ 7481.521763] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 7481.521773] [<ffffffffa02d127f>] ? btrfs_item_offset_nr+0x19/0x1b [btrfs] [ 7481.521783] [<ffffffffa02d1551>] ? leaf_space_used+0x5e/0x86 [btrfs] [ 7481.521803] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 7481.521822] [<ffffffffa0309674>] ? clear_extent_buffer_dirty+0x131/0x142 [btrfs] [ 7481.521834] [<ffffffffa02d1500>] ? leaf_space_used+0xd/0x86 [btrfs] [ 7481.521845] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [ 7481.521864] [<ffffffffa0314f32>] ? btrfs_spin_on_block+0x55/0x55 [btrfs] [ 7481.521876] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [ 7481.521889] [<ffffffffa02d6d2d>] btrfs_insert_empty_items+0x6a/0xba [btrfs] [ 7481.521895] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [ 7481.521921] [<ffffffffa02f0a37>] insert_reserved_file_extent.clone.34+0xad/0x1fc [btrfs] [ 7481.521947] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 7481.521965] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 7481.521989] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 7481.521994] [<ffffffff81141934>] bio_endio+0x2d/0x2f [ 7481.522007] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [ 7481.522034] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [ 7481.522052] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 7481.522057] [<ffffffff81068dce>] kthread+0x82/0x8a [ 7481.522071] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [ 7481.522076] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [ 7481.522081] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [ 7481.522084] ---[ end trace abb147a5624a0a26 ]--- [ 7481.522108] ------------[ cut here ]------------ [ 7481.522123] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 7481.522126] Hardware name: XPS 8300 [ 7481.522128] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 7481.522203] Pid: 3980, comm: btrfs-endio-wri Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [ 7481.522206] Call Trace: [ 7481.522211] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [ 7481.522226] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [ 7481.522240] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 7481.522269] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 7481.522283] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 7481.522293] [<ffffffffa02d1500>] ? leaf_space_used+0xd/0x86 [btrfs] [ 7481.522304] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [ 7481.522315] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [ 7481.522326] [<ffffffffa02d6d2d>] btrfs_insert_empty_items+0x6a/0xba [btrfs] [ 7481.522332] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [ 7481.522359] [<ffffffffa02f0a37>] insert_reserved_file_extent.clone.34+0xad/0x1fc [btrfs] [ 7481.522385] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 7481.522401] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 7481.522415] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 7481.522420] [<ffffffff81141934>] bio_endio+0x2d/0x2f [ 7481.522433] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [ 7481.522459] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [ 7481.522477] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 7481.522482] [<ffffffff81068dce>] kthread+0x82/0x8a [ 7481.522488] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [ 7481.522493] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [ 7481.522499] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [ 7481.522502] ---[ end trace abb147a5624a0a27 ]--- [ 7481.522526] ------------[ cut here ]------------ [ 7481.522549] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 7481.522552] Hardware name: XPS 8300 [ 7481.522555] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 7481.522651] Pid: 3980, comm: btrfs-endio-wri Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [ 7481.522654] Call Trace: [ 7481.522659] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [ 7481.522665] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [ 7481.522686] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 7481.522705] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 7481.522726] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 7481.522736] [<ffffffffa02d1500>] ? leaf_space_used+0xd/0x86 [btrfs] [ 7481.522746] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [ 7481.522767] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [ 7481.522780] [<ffffffffa02d6d2d>] btrfs_insert_empty_items+0x6a/0xba [btrfs] [ 7481.522786] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [ 7481.522812] [<ffffffffa02f0a37>] insert_reserved_file_extent.clone.34+0xad/0x1fc [btrfs] [ 7481.522838] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 7481.522856] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 7481.522872] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 7481.522886] [<ffffffff81141934>] bio_endio+0x2d/0x2f [ 7481.522899] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [ 7481.522925] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [ 7481.522942] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 7481.522948] [<ffffffff81068dce>] kthread+0x82/0x8a [ 7481.522962] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [ 7481.522967] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [ 7481.522972] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [ 7481.522975] ---[ end trace abb147a5624a0a28 ]--- Stack dumps for more warnings ------------------------------ [21976.930845] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [21976.930847] Hardware name: XPS 8300 [21976.930848] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [21976.930872] Pid: 31794, comm: btrfs-endio-wri Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [21976.930874] Call Trace: [21976.930880] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [21976.930882] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [21976.930889] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [21976.930898] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [21976.930904] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] [21976.930909] [<ffffffffa02d1300>] ? btrfs_set_item_key+0x3/0x20 [btrfs] [21976.930913] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] [21976.930919] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] [21976.930926] [<ffffffffa02e3e66>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [21976.930931] [<ffffffffa02d2124>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [21976.930940] [<ffffffffa02f9319>] btrfs_drop_extents+0x10e/0x731 [btrfs] [21976.930943] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [21976.930946] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [21976.930949] [<ffffffff8110d58c>] ? slab_pre_alloc_hook.clone.32+0x2d/0x31 [21976.930952] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 [21976.930960] [<ffffffffa02f09fa>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [21976.930970] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [21976.930978] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [21976.930985] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [21976.930988] [<ffffffff81141934>] bio_endio+0x2d/0x2f [21976.930995] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] [21976.931005] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] [21976.931014] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [21976.931016] [<ffffffff81068dce>] kthread+0x82/0x8a [21976.931019] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [21976.931021] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [21976.931023] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [21976.931025] ---[ end trace abb147a5624a0a29 ]--- [21983.399883] ------------[ cut here ]------------ [21983.399906] WARNING: at fs/btrfs/extent-tree.c:3832 btrfs_free_block_groups+0x13a/0x228 [btrfs]() [21983.399910] Hardware name: XPS 8300 [21983.399912] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [21983.399958] Pid: 31847, comm: umount Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [21983.399961] Call Trace: [21983.399969] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [21983.399975] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [21983.399989] [<ffffffffa02e0a2b>] btrfs_free_block_groups+0x13a/0x228 [btrfs] [21983.400006] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] [21983.400011] [<ffffffff8112eebb>] ? evict+0x10c/0x115 [21983.400016] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [21983.400021] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e [21983.400025] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [21983.400029] [<ffffffff814759b1>] ? down_write+0x29/0x49 [21983.400039] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] [21983.400044] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 [21983.400048] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 [21983.400052] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b [21983.400056] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f [21983.400061] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 [21983.400065] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a [21983.400069] [<ffffffff8112399e>] ? path_put+0x22/0x27 [21983.400074] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [21983.400077] ---[ end trace abb147a5624a0a2a ]--- [21983.400079] ------------[ cut here ]------------ [21983.400092] WARNING: at fs/btrfs/extent-tree.c:3833 btrfs_free_block_groups+0x155/0x228 [btrfs]() [21983.400095] Hardware name: XPS 8300 [21983.400097] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [21983.400136] Pid: 31847, comm: umount Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [21983.400139] Call Trace: [21983.400143] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [21983.400148] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [21983.400160] [<ffffffffa02e0a46>] btrfs_free_block_groups+0x155/0x228 [btrfs] [21983.400176] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] [21983.400179] [<ffffffff8112eebb>] ? evict+0x10c/0x115 [21983.400184] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [21983.400188] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e [21983.400191] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [21983.400195] [<ffffffff814759b1>] ? down_write+0x29/0x49 [21983.400204] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] [21983.400209] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 [21983.400213] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 [21983.400216] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b [21983.400220] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f [21983.400225] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 [21983.400229] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a [21983.400232] [<ffffffff8112399e>] ? path_put+0x22/0x27 [21983.400237] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [21983.400240] ---[ end trace abb147a5624a0a2b ]--- [21983.400242] ------------[ cut here ]------------ [21983.400254] WARNING: at fs/btrfs/extent-tree.c:6846 btrfs_free_block_groups+0x1e6/0x228 [btrfs]() [21983.400257] Hardware name: XPS 8300 [21983.400259] Modules linked in: tcp_lp tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [21983.400298] Pid: 31847, comm: umount Tainted: G W 2.6.39-integration-test-20110526-01+ #2 [21983.400300] Call Trace: [21983.400305] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d [21983.400317] [<ffffffffa02e0af5>] ? btrfs_free_block_groups+0x204/0x228 [btrfs] [21983.400322] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c [21983.400334] [<ffffffffa02e0ad7>] btrfs_free_block_groups+0x1e6/0x228 [btrfs] [21983.400349] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] [21983.400352] [<ffffffff8112eebb>] ? evict+0x10c/0x115 [21983.400356] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [21983.400360] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e [21983.400364] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 [21983.400367] [<ffffffff814759b1>] ? down_write+0x29/0x49 [21983.400377] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] [21983.400381] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 [21983.400385] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 [21983.400389] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b [21983.400392] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f [21983.400397] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 [21983.400401] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a [21983.400404] [<ffffffff8112399e>] ? path_put+0x22/0x27 [21983.400409] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [21983.400412] ---[ end trace abb147a5624a0a2c ]--- Stack dumps for the hang ------------------------ [73934.130640] SysRq : Show Blocked State [73934.130644] task PC stack pid father [73934.130676] btrfs-transacti D ffff8801a4a0b440 0 6769 2 0x00000080 [73934.130679] ffff88011f78bd60 0000000000000046 0000000000000000 ffff880100000001 [73934.130682] 0000000000013a80 0000000000013a80 0000000000013a80 ffff8801a21a0000 [73934.130684] 0000000000013a80 ffff88011f78bfd8 0000000000013a80 0000000000013a80 [73934.130687] Call Trace: [73934.130692] [<ffffffff8106953e>] ? prepare_to_wait+0x6c/0x79 [73934.130704] [<ffffffffa02eb098>] wait_for_commit.clone.14+0x90/0xd5 [btrfs] [73934.130706] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a [73934.130714] [<ffffffffa02ebf1c>] btrfs_commit_transaction+0x102/0x693 [btrfs] [73934.130721] [<ffffffffa02eb816>] ? join_transaction.clone.20+0x17b/0x186 [btrfs] [73934.130723] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a [73934.130730] [<ffffffffa02e6772>] transaction_kthread+0x17a/0x22f [btrfs] [73934.130736] [<ffffffffa02e65f8>] ? btrfs_congested_fn+0x8c/0x8c [btrfs] [73934.130738] [<ffffffff81068dce>] kthread+0x82/0x8a [73934.130742] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [73934.130743] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [73934.130745] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [73934.130747] flush-btrfs-630 D 00000001046677f8 0 6778 2 0x00000080 [73934.130749] ffff88012031fb10 0000000000000046 ffff88012031fa70 ffff880100000000 [73934.130751] 0000000000013a80 0000000000013a80 0000000000013a80 ffff8801a5c68000 [73934.130754] 0000000000013a80 ffff88012031ffd8 0000000000013a80 0000000000013a80 [73934.130756] Call Trace: [73934.130759] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 [73934.130761] [<ffffffff8107b6c2>] ? arch_local_irq_save+0x18/0x1e [73934.130763] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [73934.130765] [<ffffffff8106953e>] ? prepare_to_wait+0x6c/0x79 [73934.130771] [<ffffffffa02ec0dd>] btrfs_commit_transaction+0x2c3/0x693 [btrfs] [73934.130773] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a [73934.130781] [<ffffffffa02f58ba>] btrfs_write_inode+0xa0/0xa9 [btrfs] [73934.130784] [<ffffffff81138d78>] writeback_single_inode+0x125/0x1bf [73934.130786] [<ffffffff81139055>] writeback_sb_inodes+0xce/0x160 [73934.130788] [<ffffffff81139d68>] wb_writeback+0x257/0x3a7 [73934.130790] [<ffffffff81139f40>] wb_do_writeback+0x88/0x1a0 [73934.130792] [<ffffffff8105b0a1>] ? run_timer_softirq+0x298/0x298 [73934.130794] [<ffffffff8113a0e3>] bdi_writeback_thread+0x8b/0x20c [73934.130796] [<ffffffff8113a058>] ? wb_do_writeback+0x1a0/0x1a0 [73934.130798] [<ffffffff81068dce>] kthread+0x82/0x8a [73934.130800] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 [73934.130802] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b [73934.130804] [<ffffffff8147db60>] ? gs_change+0x13/0x13 [73934.130805] fsstress D 0000000102eb08dd 0 6808 1 0x00000084 [73934.130807] ffff88011d941d48 0000000000000086 0000000000000000 0000000000000400 [73934.130809] 0000000000013a80 0000000000013a80 0000000000013a80 ffff88018c3f5c40 [73934.130812] 0000000000013a80 ffff88011d941fd8 0000000000013a80 0000000000013a80 [73934.130814] Call Trace: [73934.130816] [<ffffffff8103dadf>] ? resched_task+0x48/0x72 [73934.130818] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 [73934.130820] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [73934.130822] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [73934.130824] [<ffffffff81474e67>] wait_for_common+0xad/0x102 [73934.130826] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 [73934.130828] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 [73934.130830] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a [73934.130832] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f [73934.130834] [<ffffffff81139717>] sync_inodes_sb+0x91/0x187 [73934.130835] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a [73934.130837] [<ffffffff8113cf29>] __sync_filesystem+0x47/0x7a [73934.130839] [<ffffffff8113cf72>] sync_one_sb+0x16/0x18 [73934.130841] [<ffffffff8111d632>] iterate_supers+0x6d/0xc4 [73934.130843] [<ffffffff8113cea7>] sync_filesystems+0x20/0x22 [73934.130845] [<ffffffff8113cfe5>] sys_sync+0x21/0x33 [73934.130847] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [73934.130848] fsstress D 0000000102eb08dd 0 6809 1 0x00000084 [73934.130850] ffff88011f07fa58 0000000000000082 ffff88010b9bf058 0000000100000001 [73934.130853] 0000000000013a80 0000000000013a80 0000000000013a80 ffff88018c3f2e20 [73934.130855] 0000000000013a80 ffff88011f07ffd8 0000000000013a80 0000000000013a80 [73934.130857] Call Trace: [73934.130859] [<ffffffff811ea828>] ? avc_has_perm_flags+0x6c/0x81 [73934.130861] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 [73934.130863] [<ffffffff81476256>] ? _raw_spin_lock+0xe/0x10 [73934.130865] [<ffffffff8103e624>] ? task_rq_lock+0x40/0x72 [73934.130867] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [73934.130869] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [73934.130870] [<ffffffff81474e67>] wait_for_common+0xad/0x102 [73934.130872] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 [73934.130874] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 [73934.130876] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f [73934.130877] [<ffffffff811395bd>] writeback_inodes_sb_nr+0x76/0x7d [73934.130880] [<ffffffff81139670>] writeback_inodes_sb_nr_if_idle+0x41/0x57 [73934.130885] [<ffffffffa02d9ec4>] shrink_delalloc.clone.46+0xb2/0x155 [btrfs] [73934.130888] [<ffffffff811f560f>] ? sidtab_context_to_sid+0x5a/0x12c [73934.130893] [<ffffffffa02da060>] reserve_metadata_bytes.clone.47+0xf9/0x1b3 [btrfs] [73934.130899] [<ffffffffa02dcc09>] btrfs_block_rsv_add+0x2c/0x4f [btrfs] [73934.130901] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e [73934.130907] [<ffffffffa02dce32>] btrfs_trans_reserve_metadata+0x4f/0x74 [btrfs] [73934.130914] [<ffffffffa02ec899>] start_transaction+0x190/0x24f [btrfs] [73934.130921] [<ffffffffa02ecc7b>] btrfs_start_transaction+0x13/0x15 [btrfs] [73934.130928] [<ffffffffa02f6e04>] btrfs_mkdir+0x46/0x1e5 [btrfs] [73934.130931] [<ffffffff8112520a>] vfs_mkdir+0x63/0x9f [73934.130933] [<ffffffff81127373>] sys_mkdirat+0x96/0xe7 [73934.130934] [<ffffffff8112399e>] ? path_put+0x22/0x27 [73934.130937] [<ffffffff810988fb>] ? audit_syscall_entry+0x11c/0x148 [73934.130938] [<ffffffff811273dc>] sys_mkdir+0x18/0x1a [73934.130940] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [73934.130942] updatedb D 0000000102f9f23b 0 7525 7519 0x00000080 [73934.130944] ffff88011ee61e28 0000000000000086 ffff88011ee61f28 ffff880100000000 [73934.130946] 0000000000013a80 0000000000013a80 0000000000013a80 ffff8801a5ccae20 [73934.130949] 0000000000013a80 ffff88011ee61fd8 0000000000013a80 0000000000013a80 [73934.130951] Call Trace: [73934.130953] [<ffffffff81475660>] __mutex_lock_common.clone.5+0x12f/0x196 [73934.130955] [<ffffffff81129280>] ? filldir64+0xd5/0xd5 [73934.130957] [<ffffffff814756ef>] __mutex_lock_killable_slowpath+0x13/0x15 [73934.130960] [<ffffffff8106bd38>] __mutex_fastpath_lock_retval+0x18/0x1a [73934.130961] [<ffffffff81475471>] mutex_lock_killable+0x38/0x54 [73934.130963] [<ffffffff81129460>] vfs_readdir+0x56/0xac [73934.130965] [<ffffffff8112959f>] sys_getdents+0x81/0xd1 [73934.130967] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b [73934.130970] sync D 0000000104667813 0 8162 1930 0x00000080 [73934.130972] ffff880190491d48 0000000000000082 0000000000000000 0000000000000000 [73934.130974] 0000000000013a80 0000000000013a80 0000000000013a80 ffff88015abe0000 [73934.130976] 0000000000013a80 ffff880190491fd8 0000000000013a80 0000000000013a80 [73934.130978] Call Trace: [73934.130980] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 [73934.130982] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [73934.130984] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d [73934.130985] [<ffffffff81474e67>] wait_for_common+0xad/0x102 [73934.130987] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 [73934.130989] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 [73934.130991] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a [73934.130993] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f [73934.130994] [<ffffffff811395bd>] writeback_inodes_sb_nr+0x76/0x7d [73934.130996] [<ffffffff811395e6>] writeback_inodes_sb+0x22/0x24 [73934.130998] [<ffffffff8113cf33>] __sync_filesystem+0x51/0x7a [73934.131000] [<ffffffff8113cf72>] sync_one_sb+0x16/0x18 [73934.131002] [<ffffffff8111d632>] iterate_supers+0x6d/0xc4 [73934.131004] [<ffffffff8113cea7>] sync_filesystems+0x20/0x22 [73934.131005] [<ffffffff8113cfdb>] sys_sync+0x17/0x33 [73934.131007] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: btrfs hang on brd 2011-05-31 7:03 btrfs hang on brd Adrian Hunter @ 2011-06-01 8:54 ` David Sterba 2011-06-01 10:07 ` Adrian Hunter 0 siblings, 1 reply; 6+ messages in thread From: David Sterba @ 2011-06-01 8:54 UTC (permalink / raw) To: Adrian Hunter; +Cc: chris.mason, linux-btrfs On Tue, May 31, 2011 at 10:03:12AM +0300, Adrian Hunter wrote: > Hi > > I seem to be able to get btrfs reproducibly to > produce warnings and finally hang when running > a stress test on a ramdisk. > > Testing was done using the "integration-test" > branch of btrfs-unstable. Note that I also tested > v2.6.39 and "integration-test" took much longer to > hang i.e. it is an improvement > > The test script and stack dumps are below. > > Is this a valid test? > > Is it worth me investigating these? I've tried to reproduce myself, but the fsstress utility (taken from latest LTP suite) crashes sometimes and I cannot take it as a proper reproduction. Can you point me to the exact version you used? (But no warning or hang observed, on top of 3.0-rc1 + cmason/for-linus) > Test > ---- > > #!/bin/sh > > sudo modprobe brd rd_size=262144 this is minimal size possible, 256MB > > sudo umount /mnt/test/ 2> /dev/null > > echo 'mkfs.btrfs /dev/ram0' > > sudo mkfs.btrfs /dev/ram0 > > sudo mkdir -p /mnt/test > > echo 'mount -t btrfs /dev/ram0 /mnt/test' > > sudo mount -t btrfs /dev/ram0 /mnt/test > > sudo mkdir -p /mnt/test/test > > sudo chown $USER /mnt/test/test > sudo chgrp $USER /mnt/test/test > > sudo umount /mnt/test > > full=0 > i=0 > while true; do > sudo mount -t btrfs /dev/ram0 /mnt/test > > if df | grep ram0 | grep 100% > /dev/null; then > full=`expr $full \+ 1` > if test $full -gt 6;then > rm -rf /mnt/test/test/* > full=0 > fi > else > full=0 > fi > > fsstress -c -r -d /mnt/test/test -p 3 -n 1000 -l 10 > > sudo umount /mnt/test > > i=`expr $i \+ 1` > echo $i > done > > > > Stack dumps for warnings > ------------------------ > > > [ 7481.520750] WARNING: at fs/btrfs/extent-tree.c:5648 5644 ret = block_rsv_use_bytes(block_rsv, blocksize); 5645 if (!ret) 5646 return block_rsv; 5647 if (ret) { 5648 WARN_ON(1); 5649 ret = reserve_metadata_bytes(trans, root, block_rsv, blocksize, 5650 0); and block_rsv_use_bytes() returns nonzero in case of ENOSPC. > [ 7481.521176] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() > [ 7481.521178] Hardware name: XPS 8300 > [ 7481.521180] Modules linked in: tcp_lp tun btrfs zlib_deflate > libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf > ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter > ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek > snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq > snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support > dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore > snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit > i2c_core video [last unloaded: scsi_wait_scan] > [ 7481.521237] Pid: 3980, comm: btrfs-endio-wri Tainted: G W > 2.6.39-integration-test-20110526-01+ #2 > [ 7481.521240] Call Trace: > [ 7481.521245] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d > [ 7481.521250] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c > [ 7481.521288] [<ffffffffa02dfca8>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] > [ 7481.521303] [<ffffffffa030a073>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] > [ 7481.521313] [<ffffffffa02d2987>] __btrfs_cow_block+0x102/0x31e [btrfs] > [ 7481.521322] [<ffffffffa02d1300>] ? btrfs_set_item_key+0x3/0x20 [btrfs] > [ 7481.521341] [<ffffffffa02d2ca7>] btrfs_cow_block+0x104/0x14d [btrfs] > [ 7481.521353] [<ffffffffa02d5a87>] btrfs_search_slot+0x162/0x502 [btrfs] > [ 7481.521378] [<ffffffffa02e3e66>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] > [ 7481.521388] [<ffffffffa02d2124>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] > [ 7481.521405] [<ffffffffa02f9319>] btrfs_drop_extents+0x10e/0x731 [btrfs] > [ 7481.521410] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [ 7481.521415] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 > [ 7481.521420] [<ffffffff8110d58c>] ? slab_pre_alloc_hook.clone.32+0x2d/0x31 > [ 7481.521426] [<ffffffff8110e0c7>] ? kmem_cache_alloc+0x29/0xf7 > [ 7481.521441] [<ffffffffa02f09fa>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] > [ 7481.521470] [<ffffffffa03071c9>] ? lock_extent_bits+0x5e/0xa8 [btrfs] > [ 7481.521496] [<ffffffffa02f362c>] btrfs_endio_direct_write+0x171/0x29a [btrfs] > [ 7481.521511] [<ffffffffa02e6afc>] ? end_workqueue_fn+0xf6/0x10e [btrfs] > [ 7481.521516] [<ffffffff81141934>] bio_endio+0x2d/0x2f > [ 7481.521539] [<ffffffffa02e6b07>] end_workqueue_fn+0x101/0x10e [btrfs] > [ 7481.521565] [<ffffffffa0310951>] worker_loop+0x193/0x4ca [btrfs] > [ 7481.521581] [<ffffffffa03107be>] ? btrfs_queue_worker+0x214/0x214 [btrfs] > [ 7481.521586] [<ffffffff81068dce>] kthread+0x82/0x8a > [ 7481.521591] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 > [ 7481.521596] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b > [ 7481.521601] [<ffffffff8147db60>] ? gs_change+0x13/0x13 > [ 7481.521604] ---[ end trace abb147a5624a0a25 ]--- > [ 7481.521639] ------------[ cut here ]------------ > > Stack dumps for more warnings > ------------------------------ > > [21983.399906] WARNING: at fs/btrfs/extent-tree.c:3832 3829 static void release_global_block_rsv(struct btrfs_fs_info *fs_info) 3830 { 3831 block_rsv_release_bytes(&fs_info->global_block_rsv, NULL, (u64)-1); 3832 WARN_ON(fs_info->delalloc_block_rsv.size > 0); 3833 WARN_ON(fs_info->delalloc_block_rsv.reserved > 0); in release_global_block_rsv(block_rsv, NULL, num_bytes = (u64)-1): 3543 if (num_bytes == (u64)-1) 3544 num_bytes = block_rsv->size; 3545 block_rsv->size -= num_bytes; now block_rsv->size is 0, right? but why did the warn trigger after return from the call, there is no other assignment in this function. another thread? possible. 3546 if (block_rsv->reserved >= block_rsv->size) { 3547 num_bytes = block_rsv->reserved - block_rsv->size; 3548 block_rsv->reserved = block_rsv->size; reserved is now 0, but changed later in the func 3549 block_rsv->full = 1; 3550 } else { 3551 num_bytes = 0; 3552 } > btrfs_free_block_groups+0x13a/0x228 [btrfs]() > [21983.399910] Hardware name: XPS 8300 > [21983.399912] Modules linked in: tcp_lp tun btrfs zlib_deflate > libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf > ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter > ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek > snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq > snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support > dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore > snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit > i2c_core video [last unloaded: scsi_wait_scan] > [21983.399958] Pid: 31847, comm: umount Tainted: G W > 2.6.39-integration-test-20110526-01+ #2 > [21983.399961] Call Trace: > [21983.399969] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d > [21983.399975] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c > [21983.399989] [<ffffffffa02e0a2b>] > btrfs_free_block_groups+0x13a/0x228 [btrfs] > [21983.400006] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] > [21983.400011] [<ffffffff8112eebb>] ? evict+0x10c/0x115 > [21983.400016] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [21983.400021] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e > [21983.400025] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 > [21983.400029] [<ffffffff814759b1>] ? down_write+0x29/0x49 > [21983.400039] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] > [21983.400044] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 > [21983.400048] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 > [21983.400052] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b > [21983.400056] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f > [21983.400061] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 > [21983.400065] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a > [21983.400069] [<ffffffff8112399e>] ? path_put+0x22/0x27 > [21983.400074] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [21983.400077] ---[ end trace abb147a5624a0a2a ]--- > [21983.400079] ------------[ cut here ]------------ > [21983.400092] WARNING: at fs/btrfs/extent-tree.c:3833 > btrfs_free_block_groups+0x155/0x228 [btrfs]() ->reserved field of block_rsv > [21983.400095] Hardware name: XPS 8300 > [21983.400097] Modules linked in: tcp_lp tun btrfs zlib_deflate > libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf > ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter > ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek > snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq > snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support > dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore > snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit > i2c_core video [last unloaded: scsi_wait_scan] > [21983.400136] Pid: 31847, comm: umount Tainted: G W > 2.6.39-integration-test-20110526-01+ #2 > [21983.400139] Call Trace: > [21983.400143] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d > [21983.400148] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c > [21983.400160] [<ffffffffa02e0a46>] > btrfs_free_block_groups+0x155/0x228 [btrfs] > [21983.400176] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] > [21983.400179] [<ffffffff8112eebb>] ? evict+0x10c/0x115 > [21983.400184] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [21983.400188] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e > [21983.400191] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 > [21983.400195] [<ffffffff814759b1>] ? down_write+0x29/0x49 > [21983.400204] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] > [21983.400209] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 > [21983.400213] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 > [21983.400216] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b > [21983.400220] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f > [21983.400225] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 > [21983.400229] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a > [21983.400232] [<ffffffff8112399e>] ? path_put+0x22/0x27 > [21983.400237] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [21983.400240] ---[ end trace abb147a5624a0a2b ]--- > [21983.400242] ------------[ cut here ]------------ > [21983.400254] WARNING: at fs/btrfs/extent-tree.c:6846 6844 if (space_info->bytes_pinned > 0 || 6845 space_info->bytes_reserved > 0) { 6846 WARN_ON(1); 6847 dump_space_info(space_info, 0, 0); 6848 } > btrfs_free_block_groups+0x1e6/0x228 [btrfs]() > [21983.400257] Hardware name: XPS 8300 > [21983.400259] Modules linked in: tcp_lp tun btrfs zlib_deflate > libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf > ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter > ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek > snd_hda_intel snd_hda_codec broadcom tg3 snd_hwdep snd_seq > snd_seq_device snd_pcm joydev pcspkr iTCO_wdt iTCO_vendor_support > dcdbas serio_raw i2c_i801 snd_timer snd microcode soundcore > snd_page_alloc usb_storage i915 drm_kms_helper drm i2c_algo_bit > i2c_core video [last unloaded: scsi_wait_scan] > [21983.400298] Pid: 31847, comm: umount Tainted: G W > 2.6.39-integration-test-20110526-01+ #2 > [21983.400300] Call Trace: > [21983.400305] [<ffffffff8104df7a>] warn_slowpath_common+0x85/0x9d > [21983.400317] [<ffffffffa02e0af5>] ? > btrfs_free_block_groups+0x204/0x228 [btrfs] > [21983.400322] [<ffffffff8104dfac>] warn_slowpath_null+0x1a/0x1c > [21983.400334] [<ffffffffa02e0ad7>] > btrfs_free_block_groups+0x1e6/0x228 [btrfs] > [21983.400349] [<ffffffffa02e975a>] close_ctree+0x1b2/0x35e [btrfs] > [21983.400352] [<ffffffff8112eebb>] ? evict+0x10c/0x115 > [21983.400356] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [21983.400360] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e > [21983.400364] [<ffffffff81474da6>] ? _cond_resched+0xe/0x22 > [21983.400367] [<ffffffff814759b1>] ? down_write+0x29/0x49 > [21983.400377] [<ffffffffa02cfa1e>] btrfs_put_super+0x1d/0x2c [btrfs] > [21983.400381] [<ffffffff8111c9d4>] generic_shutdown_super+0x74/0xe9 > [21983.400385] [<ffffffff8111cac9>] kill_anon_super+0x16/0x50 > [21983.400389] [<ffffffff8111ccfc>] deactivate_locked_super+0x26/0x4b > [21983.400392] [<ffffffff8111d4ee>] deactivate_super+0x3a/0x3f > [21983.400397] [<ffffffff81132732>] mntput_no_expire+0xd0/0xd5 > [21983.400401] [<ffffffff811333b8>] sys_umount+0x2dc/0x30a > [21983.400404] [<ffffffff8112399e>] ? path_put+0x22/0x27 > [21983.400409] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [21983.400412] ---[ end trace abb147a5624a0a2c ]--- > > > > Stack dumps for the hang > ------------------------ the hang seems serious, it's stuck at fs shutdown under an ENOSPC condition when several operations are in progress, see the stacks for more (background writeback, sync, mkdir, readdir). I didn't go further in pre-analysis, obviously the traces have one in common: block reserves and ENOSPC. david > [73934.130640] SysRq : Show Blocked State > [73934.130644] task PC stack pid father > [73934.130676] btrfs-transacti D ffff8801a4a0b440 0 6769 2 > 0x00000080 > [73934.130679] ffff88011f78bd60 0000000000000046 0000000000000000 > ffff880100000001 > [73934.130682] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff8801a21a0000 > [73934.130684] 0000000000013a80 ffff88011f78bfd8 0000000000013a80 > 0000000000013a80 > [73934.130687] Call Trace: > [73934.130692] [<ffffffff8106953e>] ? prepare_to_wait+0x6c/0x79 > [73934.130704] [<ffffffffa02eb098>] > wait_for_commit.clone.14+0x90/0xd5 [btrfs] > [73934.130706] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a > [73934.130714] [<ffffffffa02ebf1c>] > btrfs_commit_transaction+0x102/0x693 [btrfs] > [73934.130721] [<ffffffffa02eb816>] ? > join_transaction.clone.20+0x17b/0x186 [btrfs] > [73934.130723] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a > [73934.130730] [<ffffffffa02e6772>] transaction_kthread+0x17a/0x22f [btrfs] > [73934.130736] [<ffffffffa02e65f8>] ? btrfs_congested_fn+0x8c/0x8c [btrfs] > [73934.130738] [<ffffffff81068dce>] kthread+0x82/0x8a > [73934.130742] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 > [73934.130743] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b > [73934.130745] [<ffffffff8147db60>] ? gs_change+0x13/0x13 > [73934.130747] flush-btrfs-630 D 00000001046677f8 0 6778 2 > 0x00000080 > [73934.130749] ffff88012031fb10 0000000000000046 ffff88012031fa70 > ffff880100000000 > [73934.130751] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff8801a5c68000 > [73934.130754] 0000000000013a80 ffff88012031ffd8 0000000000013a80 > 0000000000013a80 > [73934.130756] Call Trace: > [73934.130759] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 > [73934.130761] [<ffffffff8107b6c2>] ? arch_local_irq_save+0x18/0x1e > [73934.130763] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 > [73934.130765] [<ffffffff8106953e>] ? prepare_to_wait+0x6c/0x79 > [73934.130771] [<ffffffffa02ec0dd>] > btrfs_commit_transaction+0x2c3/0x693 [btrfs] > [73934.130773] [<ffffffff810692ab>] ? wake_up_bit+0x2a/0x2a > [73934.130781] [<ffffffffa02f58ba>] btrfs_write_inode+0xa0/0xa9 [btrfs] > [73934.130784] [<ffffffff81138d78>] writeback_single_inode+0x125/0x1bf > [73934.130786] [<ffffffff81139055>] writeback_sb_inodes+0xce/0x160 > [73934.130788] [<ffffffff81139d68>] wb_writeback+0x257/0x3a7 > [73934.130790] [<ffffffff81139f40>] wb_do_writeback+0x88/0x1a0 > [73934.130792] [<ffffffff8105b0a1>] ? run_timer_softirq+0x298/0x298 > [73934.130794] [<ffffffff8113a0e3>] bdi_writeback_thread+0x8b/0x20c > [73934.130796] [<ffffffff8113a058>] ? wb_do_writeback+0x1a0/0x1a0 > [73934.130798] [<ffffffff81068dce>] kthread+0x82/0x8a > [73934.130800] [<ffffffff8147db64>] kernel_thread_helper+0x4/0x10 > [73934.130802] [<ffffffff81068d4c>] ? kthread_worker_fn+0x14b/0x14b > [73934.130804] [<ffffffff8147db60>] ? gs_change+0x13/0x13 > [73934.130805] fsstress D 0000000102eb08dd 0 6808 1 > 0x00000084 > [73934.130807] ffff88011d941d48 0000000000000086 0000000000000000 > 0000000000000400 > [73934.130809] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff88018c3f5c40 > [73934.130812] 0000000000013a80 ffff88011d941fd8 0000000000013a80 > 0000000000013a80 > [73934.130814] Call Trace: > [73934.130816] [<ffffffff8103dadf>] ? resched_task+0x48/0x72 > [73934.130818] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 > [73934.130820] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 > [73934.130822] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [73934.130824] [<ffffffff81474e67>] wait_for_common+0xad/0x102 > [73934.130826] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 > [73934.130828] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 > [73934.130830] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a > [73934.130832] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f > [73934.130834] [<ffffffff81139717>] sync_inodes_sb+0x91/0x187 > [73934.130835] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a > [73934.130837] [<ffffffff8113cf29>] __sync_filesystem+0x47/0x7a > [73934.130839] [<ffffffff8113cf72>] sync_one_sb+0x16/0x18 > [73934.130841] [<ffffffff8111d632>] iterate_supers+0x6d/0xc4 > [73934.130843] [<ffffffff8113cea7>] sync_filesystems+0x20/0x22 > [73934.130845] [<ffffffff8113cfe5>] sys_sync+0x21/0x33 > [73934.130847] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [73934.130848] fsstress D 0000000102eb08dd 0 6809 1 > 0x00000084 > [73934.130850] ffff88011f07fa58 0000000000000082 ffff88010b9bf058 > 0000000100000001 > [73934.130853] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff88018c3f2e20 > [73934.130855] 0000000000013a80 ffff88011f07ffd8 0000000000013a80 > 0000000000013a80 > [73934.130857] Call Trace: > [73934.130859] [<ffffffff811ea828>] ? avc_has_perm_flags+0x6c/0x81 > [73934.130861] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 > [73934.130863] [<ffffffff81476256>] ? _raw_spin_lock+0xe/0x10 > [73934.130865] [<ffffffff8103e624>] ? task_rq_lock+0x40/0x72 > [73934.130867] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 > [73934.130869] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [73934.130870] [<ffffffff81474e67>] wait_for_common+0xad/0x102 > [73934.130872] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 > [73934.130874] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 > [73934.130876] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f > [73934.130877] [<ffffffff811395bd>] writeback_inodes_sb_nr+0x76/0x7d > [73934.130880] [<ffffffff81139670>] > writeback_inodes_sb_nr_if_idle+0x41/0x57 > [73934.130885] [<ffffffffa02d9ec4>] > shrink_delalloc.clone.46+0xb2/0x155 [btrfs] > [73934.130888] [<ffffffff811f560f>] ? sidtab_context_to_sid+0x5a/0x12c > [73934.130893] [<ffffffffa02da060>] > reserve_metadata_bytes.clone.47+0xf9/0x1b3 [btrfs] > [73934.130899] [<ffffffffa02dcc09>] btrfs_block_rsv_add+0x2c/0x4f [btrfs] > [73934.130901] [<ffffffff8103ccb6>] ? should_resched+0xe/0x2e > [73934.130907] [<ffffffffa02dce32>] > btrfs_trans_reserve_metadata+0x4f/0x74 [btrfs] > [73934.130914] [<ffffffffa02ec899>] start_transaction+0x190/0x24f [btrfs] > [73934.130921] [<ffffffffa02ecc7b>] > btrfs_start_transaction+0x13/0x15 [btrfs] > [73934.130928] [<ffffffffa02f6e04>] btrfs_mkdir+0x46/0x1e5 [btrfs] > [73934.130931] [<ffffffff8112520a>] vfs_mkdir+0x63/0x9f > [73934.130933] [<ffffffff81127373>] sys_mkdirat+0x96/0xe7 > [73934.130934] [<ffffffff8112399e>] ? path_put+0x22/0x27 > [73934.130937] [<ffffffff810988fb>] ? audit_syscall_entry+0x11c/0x148 > [73934.130938] [<ffffffff811273dc>] sys_mkdir+0x18/0x1a > [73934.130940] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [73934.130942] updatedb D 0000000102f9f23b 0 7525 7519 > 0x00000080 > [73934.130944] ffff88011ee61e28 0000000000000086 ffff88011ee61f28 > ffff880100000000 > [73934.130946] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff8801a5ccae20 > [73934.130949] 0000000000013a80 ffff88011ee61fd8 0000000000013a80 > 0000000000013a80 > [73934.130951] Call Trace: > [73934.130953] [<ffffffff81475660>] __mutex_lock_common.clone.5+0x12f/0x196 > [73934.130955] [<ffffffff81129280>] ? filldir64+0xd5/0xd5 > [73934.130957] [<ffffffff814756ef>] > __mutex_lock_killable_slowpath+0x13/0x15 > [73934.130960] [<ffffffff8106bd38>] __mutex_fastpath_lock_retval+0x18/0x1a > [73934.130961] [<ffffffff81475471>] mutex_lock_killable+0x38/0x54 > [73934.130963] [<ffffffff81129460>] vfs_readdir+0x56/0xac > [73934.130965] [<ffffffff8112959f>] sys_getdents+0x81/0xd1 > [73934.130967] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > [73934.130970] sync D 0000000104667813 0 8162 1930 > 0x00000080 > [73934.130972] ffff880190491d48 0000000000000082 0000000000000000 > 0000000000000000 > [73934.130974] 0000000000013a80 0000000000013a80 0000000000013a80 > ffff88015abe0000 > [73934.130976] 0000000000013a80 ffff880190491fd8 0000000000013a80 > 0000000000013a80 > [73934.130978] Call Trace: > [73934.130980] [<ffffffff814750a4>] schedule_timeout+0x36/0xe3 > [73934.130982] [<ffffffff814762bf>] ? _raw_spin_unlock_irqrestore+0x17/0x19 > [73934.130984] [<ffffffff8103cc9e>] ? need_resched+0x23/0x2d > [73934.130985] [<ffffffff81474e67>] wait_for_common+0xad/0x102 > [73934.130987] [<ffffffff81046df8>] ? try_to_wake_up+0x226/0x226 > [73934.130989] [<ffffffff81053dbc>] ? local_bh_enable_ip+0xe/0x10 > [73934.130991] [<ffffffff8113cf5c>] ? __sync_filesystem+0x7a/0x7a > [73934.130993] [<ffffffff81474f74>] wait_for_completion+0x1d/0x1f > [73934.130994] [<ffffffff811395bd>] writeback_inodes_sb_nr+0x76/0x7d > [73934.130996] [<ffffffff811395e6>] writeback_inodes_sb+0x22/0x24 > [73934.130998] [<ffffffff8113cf33>] __sync_filesystem+0x51/0x7a > [73934.131000] [<ffffffff8113cf72>] sync_one_sb+0x16/0x18 > [73934.131002] [<ffffffff8111d632>] iterate_supers+0x6d/0xc4 > [73934.131004] [<ffffffff8113cea7>] sync_filesystems+0x20/0x22 > [73934.131005] [<ffffffff8113cfdb>] sys_sync+0x17/0x33 > [73934.131007] [<ffffffff8147ca42>] system_call_fastpath+0x16/0x1b > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: btrfs hang on brd 2011-06-01 8:54 ` David Sterba @ 2011-06-01 10:07 ` Adrian Hunter 2011-06-01 10:30 ` ajh mls 2011-06-03 9:41 ` Adrian Hunter 0 siblings, 2 replies; 6+ messages in thread From: Adrian Hunter @ 2011-06-01 10:07 UTC (permalink / raw) To: dave; +Cc: chris.mason, linux-btrfs On 01/06/11 11:54, David Sterba wrote: > On Tue, May 31, 2011 at 10:03:12AM +0300, Adrian Hunter wrote: >> Hi >> >> I seem to be able to get btrfs reproducibly to >> produce warnings and finally hang when running >> a stress test on a ramdisk. >> >> Testing was done using the "integration-test" >> branch of btrfs-unstable. Note that I also tested >> v2.6.39 and "integration-test" took much longer to >> hang i.e. it is an improvement >> >> The test script and stack dumps are below. >> >> Is this a valid test? >> >> Is it worth me investigating these? > > I've tried to reproduce myself, but the fsstress utility (taken from > latest LTP suite) crashes sometimes and I cannot take it as a proper > reproduction. Can you point me to the exact version you used? The LTP version does not compile properly: make[4]: Entering directory `/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress' gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -DNO_XFS -I/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -Wno-error -I../../../../include -I../../../../include -L../../../../lib fsstress.c -o fsstress fsstress.c: In function 'dread_f': fsstress.c:1829:2: warning: implicit declaration of function 'memalign' fsstress.c:1829:6: warning: assignment makes pointer from integer without a cast fsstress.c: In function 'dwrite_f': fsstress.c:1912:6: warning: assignment makes pointer from integer without a cast fsstress.c:1844:17: warning: 'diob.d_miniosz' may be used uninitialized in this function fsstress.c:1844:17: warning: 'diob.d_maxiosz' may be used uninitialized in this function fsstress.c:1844:17: warning: 'diob.d_mem' may be used uninitialized in this function fsstress.c: In function 'dread_f': fsstress.c:1750:17: warning: 'diob.d_miniosz' may be used uninitialized in this function fsstress.c:1750:17: warning: 'diob.d_maxiosz' may be used uninitialized in this function fsstress.c:1750:17: warning: 'diob.d_mem' may be used uninitialized in this function I hacked a couple of changes but I need to check them before mailing to the ltp-list: From: Adrian Hunter <adrian.hunter@intel.com> Date: Wed, 1 Jun 2011 13:01:48 +0300 Subject: [PATCH] fsstress: quick fix for compile errors Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- testcases/kernel/fs/fsstress/fsstress.c | 2 ++ testcases/kernel/fs/fsstress/global.h | 1 + 2 files changed, 3 insertions(+), 0 deletions(-) diff --git a/testcases/kernel/fs/fsstress/fsstress.c b/testcases/kernel/fs/fsstress/fsstress.c index e3b48ea..83c23ed 100644 --- a/testcases/kernel/fs/fsstress/fsstress.c +++ b/testcases/kernel/fs/fsstress/fsstress.c @@ -1757,6 +1757,7 @@ dread_f(int opno, long r) struct stat64 stb; int v; + memset(&diob, 0, sizeof(struct dioattr)); init_pathname(&f); if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { if (v) @@ -1851,6 +1852,7 @@ dwrite_f(int opno, long r) struct stat64 stb; int v; + memset(&diob, 0, sizeof(struct dioattr)); init_pathname(&f); if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { if (v) diff --git a/testcases/kernel/fs/fsstress/global.h b/testcases/kernel/fs/fsstress/global.h index f788395..5ab5d56 100644 --- a/testcases/kernel/fs/fsstress/global.h +++ b/testcases/kernel/fs/fsstress/global.h @@ -58,6 +58,7 @@ #include <stdlib.h> #include <stdio.h> #include <unistd.h> +#include <malloc.h> #ifndef O_DIRECT #define O_DIRECT 040000 -- 1.7.4.4 > (But no warning or hang observed, on top of 3.0-rc1 + cmason/for-linus) I will try it tonight. ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: btrfs hang on brd 2011-06-01 10:07 ` Adrian Hunter @ 2011-06-01 10:30 ` ajh mls 2011-06-03 9:41 ` Adrian Hunter 1 sibling, 0 replies; 6+ messages in thread From: ajh mls @ 2011-06-01 10:30 UTC (permalink / raw) To: dave; +Cc: chris.mason, linux-btrfs On 01/06/11 13:07, Adrian Hunter wrote: > On 01/06/11 11:54, David Sterba wrote: >> On Tue, May 31, 2011 at 10:03:12AM +0300, Adrian Hunter wrote: >>> Hi >>> >>> I seem to be able to get btrfs reproducibly to >>> produce warnings and finally hang when running >>> a stress test on a ramdisk. >>> >>> Testing was done using the "integration-test" >>> branch of btrfs-unstable. Note that I also tested >>> v2.6.39 and "integration-test" took much longer to >>> hang i.e. it is an improvement >>> >>> The test script and stack dumps are below. >>> >>> Is this a valid test? >>> >>> Is it worth me investigating these? >> >> I've tried to reproduce myself, but the fsstress utility (taken from >> latest LTP suite) crashes sometimes and I cannot take it as a proper >> reproduction. Can you point me to the exact version you used? > > The LTP version does not compile properly: > > make[4]: Entering directory > `/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress' > > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -DNO_XFS > -I/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress > -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -Wno-error -I../../../../include > -I../../../../include -L../../../../lib fsstress.c -o fsstress > fsstress.c: In function 'dread_f': > fsstress.c:1829:2: warning: implicit declaration of function 'memalign' > fsstress.c:1829:6: warning: assignment makes pointer from integer > without a cast > fsstress.c: In function 'dwrite_f': > fsstress.c:1912:6: warning: assignment makes pointer from integer > without a cast > fsstress.c:1844:17: warning: 'diob.d_miniosz' may be used uninitialized > in this function > fsstress.c:1844:17: warning: 'diob.d_maxiosz' may be used uninitialized > in this function > fsstress.c:1844:17: warning: 'diob.d_mem' may be used uninitialized in > this function > fsstress.c: In function 'dread_f': > fsstress.c:1750:17: warning: 'diob.d_miniosz' may be used uninitialized > in this function > fsstress.c:1750:17: warning: 'diob.d_maxiosz' may be used uninitialized > in this function > fsstress.c:1750:17: warning: 'diob.d_mem' may be used uninitialized in > this function > > > I hacked a couple of changes but I need to check them before > mailing to the ltp-list: > In fact there is already a fix here: http://sourceforge.net/mailarchive/message.php?msg_id=27212868 ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: btrfs hang on brd 2011-06-01 10:07 ` Adrian Hunter 2011-06-01 10:30 ` ajh mls @ 2011-06-03 9:41 ` Adrian Hunter 2011-06-07 5:35 ` Adrian Hunter 1 sibling, 1 reply; 6+ messages in thread From: Adrian Hunter @ 2011-06-03 9:41 UTC (permalink / raw) To: dave; +Cc: chris.mason, linux-btrfs On 01/06/11 13:07, Adrian Hunter wrote: > On 01/06/11 11:54, David Sterba wrote: >> On Tue, May 31, 2011 at 10:03:12AM +0300, Adrian Hunter wrote: >>> Hi >>> >>> I seem to be able to get btrfs reproducibly to >>> produce warnings and finally hang when running >>> a stress test on a ramdisk. >>> >>> Testing was done using the "integration-test" >>> branch of btrfs-unstable. Note that I also tested >>> v2.6.39 and "integration-test" took much longer to >>> hang i.e. it is an improvement >>> >>> The test script and stack dumps are below. >>> >>> Is this a valid test? >>> >>> Is it worth me investigating these? >> >> I've tried to reproduce myself, but the fsstress utility (taken from >> latest LTP suite) crashes sometimes and I cannot take it as a proper >> reproduction. Can you point me to the exact version you used? > > The LTP version does not compile properly: > > make[4]: Entering directory > `/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress' > > gcc -g -O2 -g -O2 -fno-strict-aliasing -pipe -Wall -DNO_XFS > -I/home/ahunter/Desktop/Projects/ltp/ltp-full-20110228/testcases/kernel/fs/fsstress > -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -Wno-error -I../../../../include > -I../../../../include -L../../../../lib fsstress.c -o fsstress > fsstress.c: In function 'dread_f': > fsstress.c:1829:2: warning: implicit declaration of function 'memalign' > fsstress.c:1829:6: warning: assignment makes pointer from integer > without a cast > fsstress.c: In function 'dwrite_f': > fsstress.c:1912:6: warning: assignment makes pointer from integer > without a cast > fsstress.c:1844:17: warning: 'diob.d_miniosz' may be used uninitialized > in this function > fsstress.c:1844:17: warning: 'diob.d_maxiosz' may be used uninitialized > in this function > fsstress.c:1844:17: warning: 'diob.d_mem' may be used uninitialized in > this function > fsstress.c: In function 'dread_f': > fsstress.c:1750:17: warning: 'diob.d_miniosz' may be used uninitialized > in this function > fsstress.c:1750:17: warning: 'diob.d_maxiosz' may be used uninitialized > in this function > fsstress.c:1750:17: warning: 'diob.d_mem' may be used uninitialized in > this function > > > I hacked a couple of changes but I need to check them before > mailing to the ltp-list: > > > From: Adrian Hunter <adrian.hunter@intel.com> > Date: Wed, 1 Jun 2011 13:01:48 +0300 > Subject: [PATCH] fsstress: quick fix for compile errors > > Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> > --- > testcases/kernel/fs/fsstress/fsstress.c | 2 ++ > testcases/kernel/fs/fsstress/global.h | 1 + > 2 files changed, 3 insertions(+), 0 deletions(-) > > diff --git a/testcases/kernel/fs/fsstress/fsstress.c > b/testcases/kernel/fs/fsstress/fsstress.c > index e3b48ea..83c23ed 100644 > --- a/testcases/kernel/fs/fsstress/fsstress.c > +++ b/testcases/kernel/fs/fsstress/fsstress.c > @@ -1757,6 +1757,7 @@ dread_f(int opno, long r) > struct stat64 stb; > int v; > > + memset(&diob, 0, sizeof(struct dioattr)); > init_pathname(&f); > if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { > if (v) > @@ -1851,6 +1852,7 @@ dwrite_f(int opno, long r) > struct stat64 stb; > int v; > > + memset(&diob, 0, sizeof(struct dioattr)); > init_pathname(&f); > if (!get_fname(FT_REGFILE, r, &f, NULL, NULL, &v)) { > if (v) > diff --git a/testcases/kernel/fs/fsstress/global.h > b/testcases/kernel/fs/fsstress/global.h > index f788395..5ab5d56 100644 > --- a/testcases/kernel/fs/fsstress/global.h > +++ b/testcases/kernel/fs/fsstress/global.h > @@ -58,6 +58,7 @@ > #include <stdlib.h> > #include <stdio.h> > #include <unistd.h> > +#include <malloc.h> > > #ifndef O_DIRECT > #define O_DIRECT 040000 > -- > 1.7.4.4 > > >> (But no warning or hang observed, on top of 3.0-rc1 + cmason/for-linus) > > I will try it tonight. No improvement on 3.0-rc1+ (commit 5c6cce92bc8aee751aafe82c5d9caf7553226a3d). Logs follow: Warnings -------- [ 2857.023360] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.023364] Hardware name: XPS 8300 [ 2857.023367] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.023431] Pid: 8809, comm: btrfs-endio-wri Not tainted 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.023435] Call Trace: [ 2857.023461] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.023471] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.023494] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.023526] [<ffffffffa02c75bb>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 2857.023547] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.023565] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.023585] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.023604] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.023625] [<ffffffffa0293d46>] btrfs_insert_empty_items+0x6a/0xba [btrfs] [ 2857.023636] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.023658] [<ffffffffa02adb39>] insert_reserved_file_extent.clone.34+0xad/0x1fc [btrfs] [ 2857.023680] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.023701] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.023719] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.023728] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.023744] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.023766] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.023786] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.023793] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.023801] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.023807] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.023813] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.023818] ---[ end trace 11fa90e2fd0455a5 ]--- [ 2857.023835] ------------[ cut here ]------------ [ 2857.023851] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.023856] Hardware name: XPS 8300 [ 2857.023859] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.023948] Pid: 8833, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.023953] Call Trace: [ 2857.023959] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.023966] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.023982] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.023989] [<ffffffff81041344>] ? update_stats_wait_end.clone.74+0x6a/0xad [ 2857.024002] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.024015] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.024028] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.024049] [<ffffffffa02d295e>] ? btrfs_spin_on_block+0x55/0x55 [btrfs] [ 2857.024062] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.024068] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.024086] [<ffffffffa02a0e16>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 2857.024099] [<ffffffffa028f13c>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 2857.024119] [<ffffffffa02b684d>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 2857.024127] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [ 2857.024134] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2857.024140] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.024146] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.024165] [<ffffffffa02adafc>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 2857.024187] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.024206] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.024225] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.024232] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.024248] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.024269] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.024289] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.024295] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.024301] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.024308] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.024314] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.024318] ---[ end trace 11fa90e2fd0455a6 ]--- [ 2857.024374] ------------[ cut here ]------------ [ 2857.024390] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.024395] Hardware name: XPS 8300 [ 2857.024398] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.024483] Pid: 8809, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.024487] Call Trace: [ 2857.024494] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.024501] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.024517] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.024538] [<ffffffffa02c397e>] ? merge_state+0xa6/0x11a [btrfs] [ 2857.024546] [<ffffffff8122aef8>] ? rb_insert_color+0xb8/0xe1 [ 2857.024559] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.024579] [<ffffffffa02c7693>] ? unmap_extent_buffer+0xe/0x10 [btrfs] [ 2857.024592] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.024604] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.024617] [<ffffffffa02920b4>] push_leaf_right+0xc4/0x142 [btrfs] [ 2857.024635] [<ffffffffa02c764b>] ? map_extent_buffer+0x6c/0xa6 [btrfs] [ 2857.024649] [<ffffffffa0292267>] split_leaf+0x84/0x53c [btrfs] [ 2857.024661] [<ffffffffa028e297>] ? btrfs_item_offset_nr+0x19/0x1b [btrfs] [ 2857.024673] [<ffffffffa028e569>] ? leaf_space_used+0x5e/0x86 [btrfs] [ 2857.024686] [<ffffffffa0292d87>] btrfs_search_slot+0x449/0x502 [btrfs] [ 2857.024700] [<ffffffffa0293d46>] btrfs_insert_empty_items+0x6a/0xba [btrfs] [ 2857.024707] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.024727] [<ffffffffa02adb39>] insert_reserved_file_extent.clone.34+0xad/0x1fc [btrfs] [ 2857.024747] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.024767] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.024785] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.024792] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.024808] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.024828] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.024848] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.024855] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.024861] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.024868] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.024875] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.024879] ---[ end trace 11fa90e2fd0455a7 ]--- [ 2857.024915] ------------[ cut here ]------------ [ 2857.024936] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.024941] Hardware name: XPS 8300 [ 2857.024944] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.025029] Pid: 8833, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.025034] Call Trace: [ 2857.025043] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.025050] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.025066] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.025080] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.025093] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.025106] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.025120] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.025138] [<ffffffffa02a0e16>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 2857.025150] [<ffffffffa028f13c>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 2857.025172] [<ffffffffa02b684d>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 2857.025179] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [ 2857.025188] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2857.025196] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.025205] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.025231] [<ffffffffa02adafc>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 2857.025255] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.025278] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.025304] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.025313] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.025336] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.025366] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.025387] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.025393] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.025400] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.025406] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.025413] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.025417] ---[ end trace 11fa90e2fd0455a8 ]--- [ 2857.025527] ------------[ cut here ]------------ [ 2857.025544] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.025549] Hardware name: XPS 8300 [ 2857.025552] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.025633] Pid: 8833, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.025638] Call Trace: [ 2857.025645] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.025653] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.025668] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.025675] [<ffffffff81041616>] ? dequeue_task_fair+0x1ca/0x1d9 [ 2857.025688] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.025700] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.025713] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.025734] [<ffffffffa02d295e>] ? btrfs_spin_on_block+0x55/0x55 [btrfs] [ 2857.025754] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.025763] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.025788] [<ffffffffa02a0e16>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 2857.025803] [<ffffffffa028f13c>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 2857.025824] [<ffffffffa02b684d>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 2857.025830] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [ 2857.025836] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2857.025842] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.025848] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.025867] [<ffffffffa02adafc>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 2857.025889] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.025909] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.025926] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.025933] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.025949] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.025979] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.026006] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.026012] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.026018] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.026022] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.026027] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.026030] ---[ end trace 11fa90e2fd0455a9 ]--- [ 2857.026053] ------------[ cut here ]------------ [ 2857.026067] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.026070] Hardware name: XPS 8300 [ 2857.026072] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.026112] Pid: 8833, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.026114] Call Trace: [ 2857.026119] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.026124] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.026138] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.026156] [<ffffffffa02c75bb>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 2857.026167] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.026178] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.026188] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.026199] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.026215] [<ffffffffa02a0e16>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 2857.026225] [<ffffffffa028f13c>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 2857.026243] [<ffffffffa02b684d>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 2857.026250] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [ 2857.026256] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2857.026262] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.026268] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.026287] [<ffffffffa02adafc>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 2857.026309] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.026328] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.026347] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.026354] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.026370] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.026390] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.026410] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.026415] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.026422] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.026428] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.026444] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.026448] ---[ end trace 11fa90e2fd0455aa ]--- [ 2857.026481] ------------[ cut here ]------------ [ 2857.026497] WARNING: at fs/btrfs/extent-tree.c:5648 btrfs_alloc_free_block+0x14e/0x357 [btrfs]() [ 2857.026502] Hardware name: XPS 8300 [ 2857.026505] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2857.026584] Pid: 8833, comm: btrfs-endio-wri Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2857.026586] Call Trace: [ 2857.026589] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2857.026592] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2857.026599] [<ffffffffa029cc98>] btrfs_alloc_free_block+0x14e/0x357 [btrfs] [ 2857.026608] [<ffffffffa02c75bb>] ? map_private_extent_buffer+0xb1/0xd5 [btrfs] [ 2857.026614] [<ffffffffa028f99f>] __btrfs_cow_block+0x102/0x31e [btrfs] [ 2857.026620] [<ffffffffa028e500>] ? unlock_up+0xd9/0xe4 [btrfs] [ 2857.026626] [<ffffffffa028fcbf>] btrfs_cow_block+0x104/0x14e [btrfs] [ 2857.026632] [<ffffffffa0292aa0>] btrfs_search_slot+0x162/0x502 [btrfs] [ 2857.026640] [<ffffffffa02a0e16>] btrfs_lookup_file_extent+0x3c/0x3e [btrfs] [ 2857.026646] [<ffffffffa028f13c>] ? btrfs_alloc_path+0x1a/0x2b [btrfs] [ 2857.026655] [<ffffffffa02b684d>] btrfs_drop_extents+0x10e/0x731 [btrfs] [ 2857.026658] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [ 2857.026661] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2857.026663] [<ffffffff8110f8e8>] ? slab_pre_alloc_hook.clone.33+0x2d/0x31 [ 2857.026666] [<ffffffff81110422>] ? kmem_cache_alloc+0x29/0xf7 [ 2857.026674] [<ffffffffa02adafc>] insert_reserved_file_extent.clone.34+0x70/0x1fc [btrfs] [ 2857.026684] [<ffffffffa02c4708>] ? lock_extent_bits+0x5e/0xa8 [btrfs] [ 2857.026693] [<ffffffffa02b0772>] btrfs_endio_direct_write+0x171/0x29a [btrfs] [ 2857.026701] [<ffffffffa02a3afa>] ? end_workqueue_fn+0xf6/0x10e [btrfs] [ 2857.026704] [<ffffffff81143d1c>] bio_endio+0x2d/0x2f [ 2857.026711] [<ffffffffa02a3b05>] end_workqueue_fn+0x101/0x10e [btrfs] [ 2857.026721] [<ffffffffa02cde4d>] worker_loop+0x193/0x4ca [btrfs] [ 2857.026730] [<ffffffffa02cdcba>] ? btrfs_queue_worker+0x214/0x214 [btrfs] [ 2857.026732] [<ffffffff81068f4e>] kthread+0x82/0x8a [ 2857.026735] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [ 2857.026738] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [ 2857.026741] [<ffffffff81483660>] ? gs_change+0x13/0x13 [ 2857.026742] ---[ end trace 11fa90e2fd0455ab ]--- [ 2863.924897] ------------[ cut here ]------------ [ 2863.924924] WARNING: at fs/btrfs/extent-tree.c:3832 btrfs_free_block_groups+0x13a/0x228 [btrfs]() [ 2863.924928] Hardware name: XPS 8300 [ 2863.924930] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2863.924977] Pid: 8875, comm: umount Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2863.924980] Call Trace: [ 2863.924988] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2863.924994] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2863.925009] [<ffffffffa029d9fe>] btrfs_free_block_groups+0x13a/0x228 [btrfs] [ 2863.925026] [<ffffffffa02a68c2>] close_ctree+0x22c/0x346 [btrfs] [ 2863.925031] [<ffffffff8103d068>] ? should_resched+0xe/0x2e [ 2863.925036] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2863.925040] [<ffffffff8147b465>] ? down_write+0x29/0x49 [ 2863.925050] [<ffffffffa028ca1e>] btrfs_put_super+0x1d/0x2c [btrfs] [ 2863.925056] [<ffffffff8111ecb8>] generic_shutdown_super+0x74/0xe9 [ 2863.925060] [<ffffffff8111edad>] kill_anon_super+0x16/0x50 [ 2863.925065] [<ffffffff8111efda>] deactivate_locked_super+0x26/0x4b [ 2863.925069] [<ffffffff8111f7c9>] deactivate_super+0x3a/0x3f [ 2863.925073] [<ffffffff81134a0d>] mntput_no_expire+0xd0/0xd5 [ 2863.925076] [<ffffffff8113568c>] sys_umount+0x2dc/0x30a [ 2863.925081] [<ffffffff81125c68>] ? path_put+0x22/0x27 [ 2863.925085] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [ 2863.925089] ---[ end trace 11fa90e2fd0455ac ]--- [ 2863.925091] ------------[ cut here ]------------ [ 2863.925104] WARNING: at fs/btrfs/extent-tree.c:3833 btrfs_free_block_groups+0x155/0x228 [btrfs]() [ 2863.925107] Hardware name: XPS 8300 [ 2863.925109] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2863.925147] Pid: 8875, comm: umount Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2863.925150] Call Trace: [ 2863.925154] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2863.925159] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2863.925172] [<ffffffffa029da19>] btrfs_free_block_groups+0x155/0x228 [btrfs] [ 2863.925188] [<ffffffffa02a68c2>] close_ctree+0x22c/0x346 [btrfs] [ 2863.925193] [<ffffffff8103d068>] ? should_resched+0xe/0x2e [ 2863.925196] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2863.925200] [<ffffffff8147b465>] ? down_write+0x29/0x49 [ 2863.925209] [<ffffffffa028ca1e>] btrfs_put_super+0x1d/0x2c [btrfs] [ 2863.925214] [<ffffffff8111ecb8>] generic_shutdown_super+0x74/0xe9 [ 2863.925218] [<ffffffff8111edad>] kill_anon_super+0x16/0x50 [ 2863.925223] [<ffffffff8111efda>] deactivate_locked_super+0x26/0x4b [ 2863.925227] [<ffffffff8111f7c9>] deactivate_super+0x3a/0x3f [ 2863.925231] [<ffffffff81134a0d>] mntput_no_expire+0xd0/0xd5 [ 2863.925234] [<ffffffff8113568c>] sys_umount+0x2dc/0x30a [ 2863.925238] [<ffffffff81125c68>] ? path_put+0x22/0x27 [ 2863.925242] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [ 2863.925245] ---[ end trace 11fa90e2fd0455ad ]--- [ 2863.925248] ------------[ cut here ]------------ [ 2863.925261] WARNING: at fs/btrfs/extent-tree.c:6846 btrfs_free_block_groups+0x1e6/0x228 [btrfs]() [ 2863.925263] Hardware name: XPS 8300 [ 2863.925265] Modules linked in: tun btrfs zlib_deflate libcrc32c brd fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device broadcom snd_pcm snd_timer snd tg3 iTCO_wdt serio_raw dcdbas iTCO_vendor_support microcode soundcore pcspkr snd_page_alloc i2c_i801 joydev usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 2863.925303] Pid: 8875, comm: umount Tainted: G W 3.0.0-rc1-work-2011-06-01-01+ #11 [ 2863.925305] Call Trace: [ 2863.925310] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 2863.925323] [<ffffffffa029dac8>] ? btrfs_free_block_groups+0x204/0x228 [btrfs] [ 2863.925328] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 2863.925341] [<ffffffffa029daaa>] btrfs_free_block_groups+0x1e6/0x228 [btrfs] [ 2863.925356] [<ffffffffa02a68c2>] close_ctree+0x22c/0x346 [btrfs] [ 2863.925360] [<ffffffff8103d068>] ? should_resched+0xe/0x2e [ 2863.925364] [<ffffffff8147a88e>] ? _cond_resched+0xe/0x22 [ 2863.925368] [<ffffffff8147b465>] ? down_write+0x29/0x49 [ 2863.925377] [<ffffffffa028ca1e>] btrfs_put_super+0x1d/0x2c [btrfs] [ 2863.925382] [<ffffffff8111ecb8>] generic_shutdown_super+0x74/0xe9 [ 2863.925386] [<ffffffff8111edad>] kill_anon_super+0x16/0x50 [ 2863.925391] [<ffffffff8111efda>] deactivate_locked_super+0x26/0x4b [ 2863.925395] [<ffffffff8111f7c9>] deactivate_super+0x3a/0x3f [ 2863.925398] [<ffffffff81134a0d>] mntput_no_expire+0xd0/0xd5 [ 2863.925402] [<ffffffff8113568c>] sys_umount+0x2dc/0x30a [ 2863.925406] [<ffffffff81125c68>] ? path_put+0x22/0x27 [ 2863.925410] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [ 2863.925413] ---[ end trace 11fa90e2fd0455ae ]--- [ 2863.925416] space_info has 13627392 free, is full [ 2863.925419] space_info total=41943040, used=19832832, pinned=0, reserved=28672, may_use=0, readonly=8454144 Some btrfs complaints --------------------- [ 3704.817050] btrfs no csum found for inode 17005 start 1302528 [ 3704.817058] btrfs no csum found for inode 17005 start 1306624 [ 3704.817064] btrfs no csum found for inode 17005 start 1310720 [ 3704.817089] btrfs no csum found for inode 17005 start 1314816 [ 3704.817094] btrfs no csum found for inode 17005 start 1318912 [ 3704.817100] btrfs no csum found for inode 17005 start 1323008 [ 3704.817105] btrfs no csum found for inode 17005 start 1327104 [ 3704.817111] btrfs no csum found for inode 17005 start 1331200 [ 3704.817117] btrfs no csum found for inode 17005 start 1335296 [ 3704.817122] btrfs no csum found for inode 17005 start 1339392 [ 3704.817128] btrfs no csum found for inode 17005 start 1343488 [ 3704.817133] btrfs no csum found for inode 17005 start 1347584 [ 3704.817139] btrfs no csum found for inode 17005 start 1351680 [ 3704.817309] btrfs csum failed ino 17005 off 1302528 csum 451097791 private 0 [ 3704.817350] btrfs csum failed ino 17005 off 1306624 csum 451097791 private 0 [ 3704.817377] btrfs csum failed ino 17005 off 1310720 csum 451097791 private 0 [ 3704.817420] btrfs csum failed ino 17005 off 1314816 csum 978321154 private 0 [ 3704.817446] btrfs csum failed ino 17005 off 1318912 csum 2566472073 private 0 [ 3704.817472] btrfs csum failed ino 17005 off 1323008 csum 2566472073 private 0 [ 3704.817497] btrfs csum failed ino 17005 off 1327104 csum 2566472073 private 0 [ 3704.817523] btrfs csum failed ino 17005 off 1331200 csum 2566472073 private 0 [ 3704.817549] btrfs csum failed ino 17005 off 1335296 csum 2566472073 private 0 [ 3704.817575] btrfs csum failed ino 17005 off 1339392 csum 2566472073 private 0 [ 3704.817601] btrfs csum failed ino 17005 off 1343488 csum 2566472073 private 0 [ 3704.817627] btrfs csum failed ino 17005 off 1347584 csum 2566472073 private 0 [ 3704.817654] btrfs csum failed ino 17005 off 1351680 csum 2779917954 private 0 Hang ---- [152684.675833] btrfs-transacti D ffff880184e18bd0 0 22322 2 0x00000080 [152684.675835] ffff88017c26dd60 0000000000000046 0000000000000000 ffff880100000001 [152684.675838] 0000000000012540 0000000000012540 0000000000012540 ffff8801a2524560 [152684.675840] 0000000000012540 ffff88017c26dfd8 0000000000012540 0000000000012540 [152684.675842] Call Trace: [152684.675844] [<ffffffff810696b2>] ? prepare_to_wait+0x6c/0x79 [152684.675856] [<ffffffffa02a8190>] wait_for_commit.clone.14+0x90/0xd5 [btrfs] [152684.675858] [<ffffffff8106941f>] ? wake_up_bit+0x2a/0x2a [152684.675866] [<ffffffffa02a9007>] btrfs_commit_transaction+0x102/0x694 [btrfs] [152684.675874] [<ffffffffa02a8907>] ? join_transaction.clone.20+0x17b/0x186 [btrfs] [152684.675876] [<ffffffff8106941f>] ? wake_up_bit+0x2a/0x2a [152684.675882] [<ffffffffa02a3764>] transaction_kthread+0x17a/0x22f [btrfs] [152684.675889] [<ffffffffa02a35ea>] ? btrfs_congested_fn+0x86/0x86 [btrfs] [152684.675891] [<ffffffff81068f4e>] kthread+0x82/0x8a [152684.675893] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [152684.675895] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [152684.675897] [<ffffffff81483660>] ? gs_change+0x13/0x13 [152684.675898] flush-btrfs-770 D 00000001091bba6c 0 22331 2 0x00000080 [152684.675900] ffff88017c19bb10 0000000000000046 ffff88017c19ba70 ffff880100000000 [152684.675902] 0000000000012540 0000000000012540 0000000000012540 ffff8801a2525c80 [152684.675905] 0000000000012540 ffff88017c19bfd8 0000000000012540 0000000000012540 [152684.675907] Call Trace: [152684.675909] [<ffffffff8147ab8c>] schedule_timeout+0x36/0xe3 [152684.675912] [<ffffffff8107c30e>] ? arch_local_irq_save+0x18/0x1e [152684.675914] [<ffffffff8147be0f>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [152684.675916] [<ffffffff810696b2>] ? prepare_to_wait+0x6c/0x79 [152684.675923] [<ffffffffa02a91c8>] btrfs_commit_transaction+0x2c3/0x694 [btrfs] [152684.675924] [<ffffffff8106941f>] ? wake_up_bit+0x2a/0x2a [152684.675933] [<ffffffffa02b2a07>] btrfs_write_inode+0xa0/0xa9 [btrfs] [152684.675935] [<ffffffff8113b12f>] writeback_single_inode+0x125/0x1bf [152684.675937] [<ffffffff8113b40f>] writeback_sb_inodes+0xce/0x160 [152684.675939] [<ffffffff8113c036>] wb_writeback+0x258/0x3aa [152684.675942] [<ffffffff8113c211>] wb_do_writeback+0x89/0x1a1 [152684.675944] [<ffffffff8105ad6e>] ? run_timer_softirq+0x29a/0x29a [152684.675946] [<ffffffff8113c3b5>] bdi_writeback_thread+0x8c/0x20f [152684.675948] [<ffffffff8113c329>] ? wb_do_writeback+0x1a1/0x1a1 [152684.675950] [<ffffffff81068f4e>] kthread+0x82/0x8a [152684.675952] [<ffffffff81483664>] kernel_thread_helper+0x4/0x10 [152684.675954] [<ffffffff81068ecc>] ? kthread_worker_fn+0x14b/0x14b [152684.675956] [<ffffffff81483660>] ? gs_change+0x13/0x13 [152684.675957] fsstress D 0000000100363ef6 0 22334 1 0x00000084 [152684.675959] ffff880169f8bb98 0000000000000082 0000000000000000 0000000000000000 [152684.675961] 0000000000012540 0000000000012540 0000000000012540 ffff880181f21720 [152684.675963] 0000000000012540 ffff880169f8bfd8 0000000000012540 0000000000012540 [152684.675966] Call Trace: [152684.675967] [<ffffffff810696b2>] ? prepare_to_wait+0x6c/0x79 [152684.675974] [<ffffffffa02a8758>] wait_current_trans.clone.19+0xa0/0xd4 [btrfs] [152684.675976] [<ffffffff8106941f>] ? wake_up_bit+0x2a/0x2a [152684.675977] [<ffffffff8147afde>] ? mutex_lock+0x29/0x4a [152684.675984] [<ffffffffa02a988d>] start_transaction+0x98/0x24f [btrfs] [152684.675991] [<ffffffffa02a9d67>] btrfs_start_transaction+0x13/0x15 [btrfs] [152684.675999] [<ffffffffa02b3d72>] btrfs_create+0x3a/0x1de [btrfs] [152684.676002] [<ffffffff811276d3>] vfs_create+0x70/0x92 [152684.676004] [<ffffffff8112791d>] do_last+0x228/0x599 [152684.676006] [<ffffffff81128ffd>] path_openat+0xc8/0x34d [152684.676007] [<ffffffff81126dfa>] ? putname+0x34/0x36 [152684.676009] [<ffffffff811292bf>] do_filp_open+0x3d/0x89 [152684.676012] [<ffffffff81132e6a>] ? alloc_fd+0x74/0x11f [152684.676014] [<ffffffff8111c847>] do_sys_open+0x74/0x106 [152684.676015] [<ffffffff8111c8f9>] sys_open+0x20/0x22 [152684.676017] [<ffffffff8111c923>] sys_creat+0x15/0x17 [152684.676019] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [152684.676020] fsstress D 0000000100363ef5 0 22335 1 0x00000084 [152684.676022] ffff8801665018e8 0000000000000082 ffffffff81144cd4 00000000000000c0 [152684.676024] 0000000000012540 0000000000012540 0000000000012540 ffff880181f22e40 [152684.676027] 0000000000012540 ffff880166501fd8 0000000000012540 0000000000012540 [152684.676029] Call Trace: [152684.676031] [<ffffffff81144cd4>] ? bvec_alloc_bs+0xb0/0xcf [152684.676033] [<ffffffff8147ab8c>] schedule_timeout+0x36/0xe3 [152684.676041] [<ffffffffa02c9d78>] ? __btrfs_map_block+0x5f1/0x609 [btrfs] [152684.676043] [<ffffffff8107c30e>] ? arch_local_irq_save+0x18/0x1e [152684.676045] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [152684.676047] [<ffffffff8147a94f>] wait_for_common+0xad/0x102 [152684.676049] [<ffffffff8104625f>] ? try_to_wake_up+0x1aa/0x1aa [152684.676051] [<ffffffff81053995>] ? local_bh_enable_ip+0xe/0x10 [152684.676053] [<ffffffff8147aa5c>] wait_for_completion+0x1d/0x1f [152684.676055] [<ffffffff8113b892>] writeback_inodes_sb_nr+0x76/0x7d [152684.676057] [<ffffffff8113b945>] writeback_inodes_sb_nr_if_idle+0x41/0x57 [152684.676062] [<ffffffffa0296eca>] shrink_delalloc.clone.46+0xb2/0x155 [btrfs] [152684.676068] [<ffffffffa0297066>] reserve_metadata_bytes.clone.47+0xf9/0x1b3 [btrfs] [152684.676074] [<ffffffffa0299c01>] btrfs_block_rsv_add+0x2c/0x4f [btrfs] [152684.676080] [<ffffffffa0299e2a>] btrfs_trans_reserve_metadata+0x4f/0x74 [btrfs] [152684.676087] [<ffffffffa02a9985>] start_transaction+0x190/0x24f [btrfs] [152684.676094] [<ffffffffa02a9d67>] btrfs_start_transaction+0x13/0x15 [btrfs] [152684.676102] [<ffffffffa02b3d72>] btrfs_create+0x3a/0x1de [btrfs] [152684.676104] [<ffffffff811276d3>] vfs_create+0x70/0x92 [152684.676106] [<ffffffff8112791d>] do_last+0x228/0x599 [152684.676107] [<ffffffff81128ffd>] path_openat+0xc8/0x34d [152684.676109] [<ffffffff8147be0f>] ? _raw_spin_unlock_irqrestore+0x17/0x19 [152684.676111] [<ffffffff8147bda6>] ? _raw_spin_lock+0xe/0x10 [152684.676113] [<ffffffff811292bf>] do_filp_open+0x3d/0x89 [152684.676115] [<ffffffff81132e6a>] ? alloc_fd+0x74/0x11f [152684.676117] [<ffffffff8111c847>] do_sys_open+0x74/0x106 [152684.676119] [<ffffffff8111c8f9>] sys_open+0x20/0x22 [152684.676120] [<ffffffff8111c923>] sys_creat+0x15/0x17 [152684.676122] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [152684.676123] fsstress D 0000000100363ef5 0 22336 1 0x00000084 [152684.676125] ffff88017ba37d48 0000000000000086 ffff88017ba37cb8 ffffffff812262b8 [152684.676127] 0000000000012540 0000000000012540 0000000000012540 ffff880181b01720 [152684.676130] 0000000000012540 ffff88017ba37fd8 0000000000012540 0000000000012540 [152684.676132] Call Trace: [152684.676134] [<ffffffff812262b8>] ? cpumask_next_and+0x2c/0x39 [152684.676136] [<ffffffff8147ab8c>] schedule_timeout+0x36/0xe3 [152684.676138] [<ffffffff81026cb8>] ? flat_send_IPI_mask+0x11/0x13 [152684.676140] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [152684.676142] [<ffffffff8147a94f>] wait_for_common+0xad/0x102 [152684.676143] [<ffffffff8104625f>] ? try_to_wake_up+0x1aa/0x1aa [152684.676145] [<ffffffff81053995>] ? local_bh_enable_ip+0xe/0x10 [152684.676147] [<ffffffff8113f1e8>] ? __sync_filesystem+0x7a/0x7a [152684.676148] [<ffffffff8147aa5c>] wait_for_completion+0x1d/0x1f [152684.676150] [<ffffffff8113b9ec>] sync_inodes_sb+0x91/0x17d [152684.676152] [<ffffffff8113f1e8>] ? __sync_filesystem+0x7a/0x7a [152684.676154] [<ffffffff8113f1b5>] __sync_filesystem+0x47/0x7a [152684.676155] [<ffffffff8113f1fe>] sync_one_sb+0x16/0x18 [152684.676157] [<ffffffff8111f907>] iterate_supers+0x6d/0xbe [152684.676159] [<ffffffff8113f133>] sync_filesystems+0x20/0x22 [152684.676160] [<ffffffff8113f271>] sys_sync+0x21/0x33 [152684.676162] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [152684.676164] updatedb D 0000000102716c7c 0 25199 25193 0x00000080 [152684.676166] ffff88017fb01e28 0000000000000086 ffff88017fb01f28 ffff880100000000 [152684.676168] 0000000000012540 0000000000012540 0000000000012540 ffff88019ee0ae40 [152684.676170] 0000000000012540 ffff88017fb01fd8 0000000000012540 0000000000012540 [152684.676172] Call Trace: [152684.676174] [<ffffffff8147b11a>] __mutex_lock_common.clone.5+0x11b/0x17c [152684.676177] [<ffffffff8112b56c>] ? filldir64+0xd5/0xd5 [152684.676178] [<ffffffff8147b1a3>] __mutex_lock_killable_slowpath+0x13/0x15 [152684.676181] [<ffffffff8106bea1>] __mutex_fastpath_lock_retval+0x18/0x1a [152684.676182] [<ffffffff8147af53>] mutex_lock_killable+0x38/0x4d [152684.676184] [<ffffffff8112b74c>] vfs_readdir+0x56/0xac [152684.676186] [<ffffffff8112b88b>] sys_getdents+0x81/0xd1 [152684.676188] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b [152684.676191] sync D 00000001091bba63 0 26977 1943 0x00000080 [152684.676193] ffff880183239d48 0000000000000086 0007ffffffffffff ffff880100000000 [152684.676196] 0000000000012540 0000000000012540 0000000000012540 ffff880181b04560 [152684.676198] 0000000000012540 ffff880183239fd8 0000000000012540 0000000000012540 [152684.676200] Call Trace: [152684.676202] [<ffffffff8147ab8c>] schedule_timeout+0x36/0xe3 [152684.676203] [<ffffffff81026cb8>] ? flat_send_IPI_mask+0x11/0x13 [152684.676205] [<ffffffff8103d050>] ? need_resched+0x23/0x2d [152684.676207] [<ffffffff8147a94f>] wait_for_common+0xad/0x102 [152684.676209] [<ffffffff8104625f>] ? try_to_wake_up+0x1aa/0x1aa [152684.676210] [<ffffffff81053995>] ? local_bh_enable_ip+0xe/0x10 [152684.676212] [<ffffffff8113f1e8>] ? __sync_filesystem+0x7a/0x7a [152684.676214] [<ffffffff8147aa5c>] wait_for_completion+0x1d/0x1f [152684.676216] [<ffffffff8113b892>] writeback_inodes_sb_nr+0x76/0x7d [152684.676218] [<ffffffff8113b8bb>] writeback_inodes_sb+0x22/0x24 [152684.676219] [<ffffffff8113f1bf>] __sync_filesystem+0x51/0x7a [152684.676221] [<ffffffff8113f1fe>] sync_one_sb+0x16/0x18 [152684.676223] [<ffffffff8111f907>] iterate_supers+0x6d/0xbe [152684.676224] [<ffffffff8113f133>] sync_filesystems+0x20/0x22 [152684.676226] [<ffffffff8113f267>] sys_sync+0x17/0x33 [152684.676227] [<ffffffff81482542>] system_call_fastpath+0x16/0x1b ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: btrfs hang on brd 2011-06-03 9:41 ` Adrian Hunter @ 2011-06-07 5:35 ` Adrian Hunter 0 siblings, 0 replies; 6+ messages in thread From: Adrian Hunter @ 2011-06-07 5:35 UTC (permalink / raw) To: dave; +Cc: chris.mason, linux-btrfs On 03/06/11 12:41, Adrian Hunter wrote: > No improvement on 3.0-rc1+ (commit > 5c6cce92bc8aee751aafe82c5d9caf7553226a3d). And on 59c5f46fbe01a00eedf54a23789634438bb80603 Linux 3.0-rc2 btrfs quickly fails to mount due to no space e.g. Script ------ #!/bin/sh sudo modprobe brd rd_size=262144 sudo umount /mnt/test/ 2> /dev/null echo 'mkfs.btrfs /dev/ram0' sudo mkfs.btrfs /dev/ram0 sudo mkdir -p /mnt/test echo 'mount -t btrfs /dev/ram0 /mnt/test' sudo mount -t btrfs /dev/ram0 /mnt/test sudo mkdir -p /mnt/test/test sudo chown $USER /mnt/test/test sudo chgrp $USER /mnt/test/test sudo umount /mnt/test full=0 i=0 while true; do sudo mount -t btrfs /dev/ram0 /mnt/test if df | grep ram0 | grep 100% > /dev/null; then full=`expr $full \+ 1` if test $full -gt 6;then rm -rf /mnt/test/test/* full=0 fi else full=0 fi fsstress -c -r -d /mnt/test/test -p 3 -n 1000 -l 10 sudo umount /mnt/test i=`expr $i \+ 1` echo $i done Script Output ------------- mkfs.btrfs /dev/ram0 WARNING! - Btrfs Btrfs v0.19 IS EXPERIMENTAL WARNING! - see http://btrfs.wiki.kernel.org before using fs created label (null) on /dev/ram0 nodesize 4096 leafsize 4096 sectorsize 4096 size 256.00MB Btrfs Btrfs v0.19 mount -t btrfs /dev/ram0 /mnt/test 1 2 3 4 mount: No space left on device ^C Kernel messages --------------- [ 95.084429] brd: module loaded [ 95.368708] Btrfs loaded [ 95.369455] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 7 /dev/ram0 [ 95.370582] SELinux: initialized (dev ram0, type btrfs), uses xattr [ 95.487905] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 10 /dev/ram0 [ 95.488889] SELinux: initialized (dev ram0, type btrfs), uses xattr [ 107.336869] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 2664 /dev/ram0 [ 107.338873] SELinux: initialized (dev ram0, type btrfs), uses xattr [ 115.861909] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 6816 /dev/ram0 [ 115.864089] SELinux: initialized (dev ram0, type btrfs), uses xattr [ 122.586606] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 10872 /dev/ram0 [ 122.587779] SELinux: initialized (dev ram0, type btrfs), uses xattr [ 128.824401] BTRFS: inode 19622 still on the orphan list [ 128.844945] ------------[ cut here ]------------ [ 128.844969] WARNING: at fs/btrfs/extent-tree.c:6878 btrfs_free_block_groups+0x1e6/0x228 [btrfs]() [ 128.844973] Hardware name: XPS 8300 [ 128.844974] Modules linked in: btrfs zlib_deflate libcrc32c brd tun fuse cpufreq_ondemand acpi_cpufreq freq_table mperf ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables ipv6 uinput snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm broadcom snd_timer snd tg3 pcspkr joydev iTCO_wdt iTCO_vendor_support soundcore snd_page_alloc i2c_i801 serio_raw dcdbas microcode usb_storage i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan] [ 128.845024] Pid: 2503, comm: umount Not tainted 3.0.0-rc2-2011-06-06-02+ #13 [ 128.845026] Call Trace: [ 128.845035] [<ffffffff8104db2e>] warn_slowpath_common+0x85/0x9d [ 128.845050] [<ffffffffa02a6b70>] ? btrfs_free_block_groups+0x204/0x228 [btrfs] [ 128.845056] [<ffffffff8104db60>] warn_slowpath_null+0x1a/0x1c [ 128.845069] [<ffffffffa02a6b52>] btrfs_free_block_groups+0x1e6/0x228 [btrfs] [ 128.845087] [<ffffffffa02afa0b>] close_ctree+0x22c/0x346 [btrfs] [ 128.845092] [<ffffffff8103d068>] ? should_resched+0xe/0x2e [ 128.845097] [<ffffffff8147abfe>] ? _cond_resched+0xe/0x22 [ 128.845100] [<ffffffff8147b7d5>] ? down_write+0x29/0x49 [ 128.845110] [<ffffffffa0295a1e>] btrfs_put_super+0x1d/0x2c [btrfs] [ 128.845116] [<ffffffff8111ecb4>] generic_shutdown_super+0x74/0xe9 [ 128.845120] [<ffffffff8111eda9>] kill_anon_super+0x16/0x50 [ 128.845125] [<ffffffff8111efd6>] deactivate_locked_super+0x26/0x4b [ 128.845129] [<ffffffff8111f7c5>] deactivate_super+0x3a/0x3f [ 128.845133] [<ffffffff81134a09>] mntput_no_expire+0xd0/0xd5 [ 128.845136] [<ffffffff81135688>] sys_umount+0x2dc/0x30a [ 128.845141] [<ffffffff81125c64>] ? path_put+0x22/0x27 [ 128.845145] [<ffffffff814828c2>] system_call_fastpath+0x16/0x1b [ 128.845149] ---[ end trace e535ebf83dd43354 ]--- [ 128.845152] space_info has 8814592 free, is full [ 128.845156] space_info total=41943040, used=24576000, pinned=0, reserved=98304, may_use=0, readonly=8454144 [ 128.897312] device fsid 9644bae59f78285c-8db3a698a8a82293 devid 1 transid 14722 /dev/ram0 [ 128.910740] BTRFS: inode 19622 still on the orphan list [ 128.910747] btrfs: could not do orphan cleanup -28 [ 128.948912] btrfs: open_ctree failed ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-06-07 5:35 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2011-05-31 7:03 btrfs hang on brd Adrian Hunter 2011-06-01 8:54 ` David Sterba 2011-06-01 10:07 ` Adrian Hunter 2011-06-01 10:30 ` ajh mls 2011-06-03 9:41 ` Adrian Hunter 2011-06-07 5:35 ` Adrian Hunter
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).