From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from aserp1040.oracle.com ([141.146.126.69]:49802 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754437AbaI2OKa (ORCPT ); Mon, 29 Sep 2014 10:10:30 -0400 Date: Mon, 29 Sep 2014 22:10:18 +0800 From: Liu Bo To: Tomasz Chmielewski Cc: linux-btrfs Subject: Re: 3.17.0-rc6 system freeze Message-ID: <20140929141016.GA31870@localhost.localdomain> Reply-To: bo.li.liu@oracle.com References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi Tomasz, On Mon, Sep 29, 2014 at 02:00:18PM +0200, Tomasz Chmielewski wrote: > System froze under 3.17.0-rc6 with btrfs. It had to be hard rebooted. > > Sep 29 05:50:21 bkp010 kernel: [559018.459704] NMI watchdog: BUG: > soft lockup - CPU#6 stuck for 22s! [kworker/u16:24:16872] > Sep 29 05:50:21 bkp010 kernel: [559018.459705] NMI watchdog: BUG: > soft lockup - CPU#2 stuck for 22s! [kworker/u16:8:17271] > Sep 29 05:50:21 bkp010 kernel: [559018.459707] NMI watchdog: BUG: > soft lockup - CPU#0 stuck for 22s! [kworker/u16:11:17272] > Sep 29 05:50:21 bkp010 kernel: [559018.459709] Modules linked in: > Sep 29 05:50:21 bkp010 kernel: [559018.459710] Modules linked in: > Sep 29 05:50:21 bkp010 kernel: [559018.459711] ipt_MASQUERADE > Sep 29 05:50:21 bkp010 kernel: [559018.459711] ipt_MASQUERADE > Sep 29 05:50:21 bkp010 kernel: [559018.459712] iptable_nat > Sep 29 05:50:21 bkp010 kernel: [559018.459712] iptable_nat > Sep 29 05:50:21 bkp010 kernel: [559018.459713] nf_conntrack_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459713] nf_conntrack_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459714] nf_defrag_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459714] nf_defrag_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459714] nf_nat_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459715] nf_nat_ipv4 > Sep 29 05:50:21 bkp010 kernel: [559018.459715] nf_nat > Sep 29 05:50:21 bkp010 kernel: [559018.459716] nf_nat > Sep 29 05:50:21 bkp010 kernel: [559018.459716] nf_conntrack > Sep 29 05:50:21 bkp010 kernel: [559018.459717] nf_conntrack > Sep 29 05:50:21 bkp010 kernel: [559018.459717] ip_tables > Sep 29 05:50:21 bkp010 kernel: [559018.459718] ip_tables > Sep 29 05:50:21 bkp010 kernel: [559018.459718] x_tables > Sep 29 05:50:21 bkp010 kernel: [559018.459719] x_tables > Sep 29 05:50:21 bkp010 kernel: [559018.459719] cpufreq_ondemand > Sep 29 05:50:21 bkp010 kernel: [559018.459720] cpufreq_ondemand > Sep 29 05:50:21 bkp010 kernel: [559018.459720] cpufreq_conservative > Sep 29 05:50:21 bkp010 kernel: [559018.459720] cpufreq_conservative > Sep 29 05:50:21 bkp010 kernel: [559018.459721] cpufreq_powersave > Sep 29 05:50:21 bkp010 kernel: [559018.459721] cpufreq_powersave > Sep 29 05:50:21 bkp010 kernel: [559018.459721] cpufreq_stats > Sep 29 05:50:21 bkp010 kernel: [559018.459722] cpufreq_stats > Sep 29 05:50:21 bkp010 kernel: [559018.459722] bridge > Sep 29 05:50:21 bkp010 kernel: [559018.459723] bridge > Sep 29 05:50:21 bkp010 kernel: [559018.459723] stp > Sep 29 05:50:21 bkp010 kernel: [559018.459723] stp > Sep 29 05:50:21 bkp010 kernel: [559018.459724] llc > Sep 29 05:50:21 bkp010 kernel: [559018.459724] llc > Sep 29 05:50:21 bkp010 kernel: [559018.459724] ipv6 > Sep 29 05:50:21 bkp010 kernel: [559018.459725] ipv6 > Sep 29 05:50:21 bkp010 kernel: [559018.459725] btrfs > Sep 29 05:50:21 bkp010 kernel: [559018.459725] btrfs > Sep 29 05:50:21 bkp010 kernel: [559018.459726] xor > Sep 29 05:50:21 bkp010 kernel: [559018.459726] xor > Sep 29 05:50:21 bkp010 kernel: [559018.459726] raid6_pq > Sep 29 05:50:21 bkp010 kernel: [559018.459727] raid6_pq > Sep 29 05:50:21 bkp010 kernel: [559018.459727] zlib_deflate > Sep 29 05:50:21 bkp010 kernel: [559018.459728] zlib_deflate > Sep 29 05:50:21 bkp010 kernel: [559018.459728] coretemp > Sep 29 05:50:21 bkp010 kernel: [559018.459728] coretemp > Sep 29 05:50:21 bkp010 kernel: [559018.459729] hwmon > Sep 29 05:50:21 bkp010 kernel: [559018.459729] hwmon > Sep 29 05:50:21 bkp010 kernel: [559018.459729] loop > Sep 29 05:50:21 bkp010 kernel: [559018.459730] loop > Sep 29 05:50:21 bkp010 kernel: [559018.459730] pcspkr > Sep 29 05:50:21 bkp010 kernel: [559018.459731] pcspkr > Sep 29 05:50:21 bkp010 kernel: [559018.459731] parport_pc > Sep 29 05:50:21 bkp010 kernel: [559018.459731] parport_pc > Sep 29 05:50:21 bkp010 kernel: [559018.459732] parport > Sep 29 05:50:21 bkp010 kernel: [559018.459732] parport > Sep 29 05:50:21 bkp010 kernel: [559018.459732] i2c_i801 > Sep 29 05:50:21 bkp010 kernel: [559018.459733] i2c_i801 > Sep 29 05:50:21 bkp010 kernel: [559018.459733] i2ccore > Sep 29 05:50:21 bkp010 kernel: [559018.459733] i2ccore > Sep 29 05:50:21 bkp010 kernel: [559018.459734] battery > Sep 29 05:50:21 bkp010 kernel: [559018.459734] battery > Sep 29 05:50:21 bkp010 kernel: [559018.459734] tpm_infineon > Sep 29 05:50:21 bkp010 kernel: [559018.459735] tpm_infineon > Sep 29 05:50:21 bkp010 kernel: [559018.459735] tpm_tis > Sep 29 05:50:21 bkp010 kernel: [559018.459735] tpm_tis > Sep 29 05:50:21 bkp010 kernel: [559018.459736] video > Sep 29 05:50:21 bkp010 kernel: [559018.459736] video > Sep 29 05:50:21 bkp010 kernel: [559018.459736] tpm > Sep 29 05:50:21 bkp010 kernel: [559018.459737] tpm > Sep 29 05:50:21 bkp010 kernel: [559018.459737] ehci_pci > Sep 29 05:50:21 bkp010 kernel: [559018.459738] ehci_pci > Sep 29 05:50:21 bkp010 kernel: [559018.459738] ehci_hcd > Sep 29 05:50:21 bkp010 kernel: [559018.459738] ehci_hcd > Sep 29 05:50:21 bkp010 kernel: [559018.459739] lpc_ich > Sep 29 05:50:21 bkp010 kernel: [559018.459739] lpc_ich > Sep 29 05:50:21 bkp010 kernel: [559018.459739] mfd_core > Sep 29 05:50:21 bkp010 kernel: [559018.459740] mfd_core > Sep 29 05:50:21 bkp010 kernel: [559018.459740] acpi_cpufreq > Sep 29 05:50:21 bkp010 kernel: [559018.459740] acpi_cpufreq > Sep 29 05:50:21 bkp010 kernel: [559018.459741] button > Sep 29 05:50:21 bkp010 kernel: [559018.459741] button > Sep 29 05:50:21 bkp010 kernel: [559018.459741] ext4 > Sep 29 05:50:21 bkp010 kernel: [559018.459742] ext4 > Sep 29 05:50:21 bkp010 kernel: [559018.459742] crc16 > Sep 29 05:50:21 bkp010 kernel: [559018.459743] crc16 > Sep 29 05:50:21 bkp010 kernel: [559018.459743] jbd2 > Sep 29 05:50:21 bkp010 kernel: [559018.459743] jbd2 > Sep 29 05:50:21 bkp010 kernel: [559018.459744] mbcache > Sep 29 05:50:21 bkp010 kernel: [559018.459744] mbcache > Sep 29 05:50:21 bkp010 kernel: [559018.459744] raid1 > Sep 29 05:50:21 bkp010 kernel: [559018.459745] raid1 > Sep 29 05:50:21 bkp010 kernel: [559018.459745] sg > Sep 29 05:50:21 bkp010 kernel: [559018.459745] sg > Sep 29 05:50:21 bkp010 kernel: [559018.459746] sd_mod > Sep 29 05:50:21 bkp010 kernel: [559018.459746] sd_mod > Sep 29 05:50:21 bkp010 kernel: [559018.459746] ahci > Sep 29 05:50:21 bkp010 kernel: [559018.459747] ahci > Sep 29 05:50:21 bkp010 kernel: [559018.459747] libahci > Sep 29 05:50:21 bkp010 kernel: [559018.459748] libahci > Sep 29 05:50:21 bkp010 kernel: [559018.459748] libata > Sep 29 05:50:21 bkp010 kernel: [559018.459748] libata > Sep 29 05:50:21 bkp010 kernel: [559018.459749] scsi_mod > Sep 29 05:50:21 bkp010 kernel: [559018.459749] scsi_mod > Sep 29 05:50:21 bkp010 kernel: [559018.459749] r8169 > Sep 29 05:50:21 bkp010 kernel: [559018.459750] r8169 > Sep 29 05:50:21 bkp010 kernel: [559018.459750] mii > Sep 29 05:50:21 bkp010 kernel: [559018.459750] mii > Sep 29 05:50:21 bkp010 kernel: [559018.459750] > Sep 29 05:50:21 bkp010 kernel: [559018.459751] > Sep 29 05:50:21 bkp010 kernel: [559018.459752] CPU: 0 PID: 17272 > Comm: kworker/u16:11 Not tainted 3.17.0-rc6 #1 > Sep 29 05:50:21 bkp010 kernel: [559018.459754] CPU: 2 PID: 17271 > Comm: kworker/u16:8 Not tainted 3.17.0-rc6 #1 > Sep 29 05:50:21 bkp010 kernel: [559018.459755] Hardware name: System > manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > Sep 29 05:50:21 bkp010 kernel: [559018.459755] Hardware name: System > manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > Sep 29 05:50:21 bkp010 kernel: [559018.459778] Workqueue: > btrfs-endio-write btrfs_endio_write_helper [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459779] Workqueue: > btrfs-endio-write btrfs_endio_write_helper [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459779] > Sep 29 05:50:21 bkp010 kernel: [559018.459779] > Sep 29 05:50:21 bkp010 kernel: [559018.459780] task: > ffff8807f1634830 ti: ffff88006f018000 task.ti: ffff88006f018000 > Sep 29 05:50:21 bkp010 kernel: [559018.459780] task: > ffff88073fc66040 ti: ffff880039b90000 task.ti: ffff880039b90000 > Sep 29 05:50:21 bkp010 kernel: [559018.459782] RIP: > 0010:[] > Sep 29 05:50:21 bkp010 kernel: [559018.459784] RIP: > 0010:[] > Sep 29 05:50:21 bkp010 kernel: [559018.459784] [] > queue_write_lock_slowpath+0x5b/0x6b > Sep 29 05:50:21 bkp010 kernel: [559018.459786] [] > queue_read_lock_slowpath+0x38/0x69 > Sep 29 05:50:21 bkp010 kernel: [559018.459787] RSP: > 0018:ffff88006f01b9b8 EFLAGS: 00000206 > Sep 29 05:50:21 bkp010 kernel: [559018.459787] RSP: > 0018:ffff880039b93998 EFLAGS: 00000282 > Sep 29 05:50:21 bkp010 kernel: [559018.459788] RAX: 0000000000000101 > RBX: ffff88073fc66040 RCX: 0000000000000101 > Sep 29 05:50:21 bkp010 kernel: [559018.459789] RAX: 00000000000000fd > RBX: ffffffff8105f355 RCX: 0000000000000009 > Sep 29 05:50:21 bkp010 kernel: [559018.459789] RDX: 00000000000000ff > RSI: 000000000000000a RDI: ffff880220484f78 > Sep 29 05:50:21 bkp010 kernel: [559018.459790] RDX: 0000000000000000 > RSI: 000000000000000a RDI: ffff880220484f78 > Sep 29 05:50:21 bkp010 kernel: [559018.459790] RBP: ffff88006f01b9b8 > R08: ffff880000000000 R09: 0000000000000485 > Sep 29 05:50:21 bkp010 kernel: [559018.459791] RBP: ffff880039b93998 > R08: 00000000ffffffff R09: 0000000000000001 > Sep 29 05:50:21 bkp010 kernel: [559018.459791] R10: 0000000000000485 > R11: 0000000000000000 R12: ffff88081fa91630 > Sep 29 05:50:21 bkp010 kernel: [559018.459792] R10: ffffffffa02e4943 > R11: 00000000b3fa0000 R12: ffffffff8105cb82 > Sep 29 05:50:21 bkp010 kernel: [559018.459792] R13: ffff88081fa915c0 > R14: ffff88073fc660a8 R15: ffff88055cffade0 > Sep 29 05:50:21 bkp010 kernel: [559018.459793] R13: ffff880039b93948 > R14: 0000000103550001 R15: ffff88081fa915c0 > Sep 29 05:50:21 bkp010 kernel: [559018.459794] FS: > 0000000000000000(0000) GS:ffff88081fa00000(0000) > knlGS:0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.459795] FS: > 0000000000000000(0000) GS:ffff88081fa80000(0000) > knlGS:0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.459795] CS: 0010 DS: 0000 > ES: 0000 CR0: 0000000080050033 > Sep 29 05:50:21 bkp010 kernel: [559018.459796] CS: 0010 DS: 0000 > ES: 0000 CR0: 0000000080050033 > Sep 29 05:50:21 bkp010 kernel: [559018.459797] CR2: ffffffffff600400 > CR3: 0000000001611000 CR4: 00000000001407f0 > Sep 29 05:50:21 bkp010 kernel: [559018.459797] CR2: ffffffffff600400 > CR3: 0000000001611000 CR4: 00000000001407e0 > Sep 29 05:50:21 bkp010 kernel: [559018.459798] Stack: > Sep 29 05:50:21 bkp010 kernel: [559018.459798] Stack: > Sep 29 05:50:21 bkp010 kernel: [559018.459799] ffff88006f01b9c8 > Sep 29 05:50:21 bkp010 kernel: [559018.459799] ffff880039b939a8 > Sep 29 05:50:21 bkp010 kernel: [559018.459799] ffffffff813b000e > Sep 29 05:50:21 bkp010 kernel: [559018.459800] ffffffff813b0165 > Sep 29 05:50:21 bkp010 kernel: [559018.459800] ffff88006f01ba18 > Sep 29 05:50:21 bkp010 kernel: [559018.459800] ffff880039b93a18 > Sep 29 05:50:21 bkp010 kernel: [559018.459801] ffffffffa02fd7a6 > Sep 29 05:50:21 bkp010 kernel: [559018.459801] ffffffffa02fd4c7 > Sep 29 05:50:21 bkp010 kernel: [559018.459801] > Sep 29 05:50:21 bkp010 kernel: [559018.459801] > Sep 29 05:50:21 bkp010 kernel: [559018.459803] 0000000000001000 > Sep 29 05:50:21 bkp010 kernel: [559018.459803] ffff8807f4151810 > Sep 29 05:50:21 bkp010 kernel: [559018.459803] 0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.459804] ffff88073fc66040 > Sep 29 05:50:21 bkp010 kernel: [559018.459804] ffff88006f01ba08 > Sep 29 05:50:21 bkp010 kernel: [559018.459804] ffff880039b93a58 > Sep 29 05:50:21 bkp010 kernel: [559018.459805] ffff880220484f08 > Sep 29 05:50:21 bkp010 kernel: [559018.459805] ffffffffa02b34ec > Sep 29 05:50:21 bkp010 kernel: [559018.459805] > Sep 29 05:50:21 bkp010 kernel: [559018.459806] > Sep 29 05:50:21 bkp010 kernel: [559018.459806] ffff8807f1234000 > Sep 29 05:50:21 bkp010 kernel: [559018.459806] 0000000000001000 > Sep 29 05:50:21 bkp010 kernel: [559018.459807] ffff8807f1234000 > Sep 29 05:50:21 bkp010 kernel: [559018.459807] 0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.459808] ffff880220484f08 > Sep 29 05:50:21 bkp010 kernel: [559018.459808] ffff880039b93a08 > Sep 29 05:50:21 bkp010 kernel: [559018.459808] ffff8807f1234000 > Sep 29 05:50:21 bkp010 kernel: [559018.459808] ffff880220484f08 > Sep 29 05:50:21 bkp010 kernel: [559018.459809] > Sep 29 05:50:21 bkp010 kernel: [559018.459809] > Sep 29 05:50:21 bkp010 kernel: [559018.459809] Call Trace: > Sep 29 05:50:21 bkp010 kernel: [559018.459809] Call Trace: > Sep 29 05:50:21 bkp010 kernel: [559018.459812] [] > _raw_write_lock+0x18/0x1a > Sep 29 05:50:21 bkp010 kernel: [559018.459814] [] > _raw_read_lock+0x16/0x18 > Sep 29 05:50:21 bkp010 kernel: [559018.459822] [] > btrfs_tree_lock+0xb4/0x1a3 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459831] [] > btrfs_tree_read_lock+0x49/0xe6 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459835] [] > btrfs_lock_root_node+0x1d/0x3d [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459841] [] > ? btrfs_search_slot+0x791/0x816 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459845] [] > btrfs_search_slot+0x222/0x816 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459851] [] > btrfs_read_lock_root_node+0x1d/0x3d [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459857] [] > btrfs_lookup_file_extent+0x33/0x35 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459863] [] > btrfs_search_slot+0x1c6/0x816 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459870] [] > __btrfs_drop_extents+0x183/0xb7d [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459878] [] > btrfs_lookup_file_extent+0x33/0x35 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459882] [] > ? setup_items_for_insert+0x343/0x363 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459893] [] > __btrfs_drop_extents+0x183/0xb7d [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459897] [] > ? btrfs_free_path+0x22/0x26 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459903] [] > ? leaf_space_used+0xbb/0xea [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459910] [] > insert_reserved_file_extent.constprop.64+0x9a/0x2a5 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459915] [] > ? btrfs_free_path+0x22/0x26 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459921] [] > btrfs_finish_ordered_io+0x26b/0x43b [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459930] [] > insert_reserved_file_extent.constprop.64+0x9a/0x2a5 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459937] [] > ? end_compressed_bio_write+0x57/0xc6 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459945] [] > btrfs_finish_ordered_io+0x26b/0x43b [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459951] [] > finish_ordered_fn+0x10/0x12 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459960] [] > ? end_compressed_bio_write+0x57/0xc6 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459967] [] > normal_work_helper+0xb5/0x16a [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459974] [] > finish_ordered_fn+0x10/0x12 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459981] [] > btrfs_endio_write_helper+0xd/0xf [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459989] [] > normal_work_helper+0xb5/0x16a [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.459990] [] > process_one_work+0x188/0x2ab > Sep 29 05:50:21 bkp010 kernel: [559018.459999] [] > btrfs_endio_write_helper+0xd/0xf [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.460000] [] > worker_thread+0x261/0x35e > Sep 29 05:50:21 bkp010 kernel: [559018.460001] [] > process_one_work+0x188/0x2ab > Sep 29 05:50:21 bkp010 kernel: [559018.460002] [] > ? process_scheduled_works+0x2a/0x2a > Sep 29 05:50:21 bkp010 kernel: [559018.460003] [] > worker_thread+0x261/0x35e > Sep 29 05:50:21 bkp010 kernel: [559018.460004] [] > kthread+0xcd/0xd5 > Sep 29 05:50:21 bkp010 kernel: [559018.460006] [] > ? process_scheduled_works+0x2a/0x2a > Sep 29 05:50:21 bkp010 kernel: [559018.460007] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.460008] [] > kthread+0xcd/0xd5 > Sep 29 05:50:21 bkp010 kernel: [559018.460009] [] > ret_from_fork+0x7c/0xb0 > Sep 29 05:50:21 bkp010 kernel: [559018.460011] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.460012] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.460013] [] > ret_from_fork+0x7c/0xb0 > Sep 29 05:50:21 bkp010 kernel: [559018.460014] Code: > Sep 29 05:50:21 bkp010 kernel: [559018.460015] 85 > Sep 29 05:50:21 bkp010 kernel: [559018.460015] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.460016] c0 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460016] Code: > Sep 29 05:50:21 bkp010 kernel: [559018.460017] 31 > Sep 29 05:50:21 bkp010 kernel: [559018.460017] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460017] 8b > Sep 29 05:50:21 bkp010 kernel: [559018.460018] 48 > Sep 29 05:50:21 bkp010 kernel: [559018.460018] 17 > Sep 29 05:50:21 bkp010 kernel: [559018.460018] 89 > Sep 29 05:50:21 bkp010 kernel: [559018.460019] 84 > Sep 29 05:50:21 bkp010 kernel: [559018.460019] e5 > Sep 29 05:50:21 bkp010 kernel: [559018.460019] d2 > Sep 29 05:50:21 bkp010 kernel: [559018.460020] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460020] 75 > Sep 29 05:50:21 bkp010 kernel: [559018.460020] 0c > Sep 29 05:50:21 bkp010 kernel: [559018.460021] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460021] eb > Sep 29 05:50:21 bkp010 kernel: [559018.460021] 89 > Sep 29 05:50:21 bkp010 kernel: [559018.460021] 02 > Sep 29 05:50:21 bkp010 kernel: [559018.460022] d1 > Sep 29 05:50:21 bkp010 kernel: [559018.460022] f3 > Sep 29 05:50:21 bkp010 kernel: [559018.460022] 89 > Sep 29 05:50:21 bkp010 kernel: [559018.460023] 90 > Sep 29 05:50:21 bkp010 kernel: [559018.460023] d0 > Sep 29 05:50:21 bkp010 kernel: [559018.460023] 8b > Sep 29 05:50:21 bkp010 kernel: [559018.460024] 83 > Sep 29 05:50:21 bkp010 kernel: [559018.460024] 07 > Sep 29 05:50:21 bkp010 kernel: [559018.460024] c9 > Sep 29 05:50:21 bkp010 kernel: [559018.460025] fe > Sep 29 05:50:21 bkp010 kernel: [559018.460025] 01 > Sep 29 05:50:21 bkp010 kernel: [559018.460025] c0 > Sep 29 05:50:21 bkp010 kernel: [559018.460026] f0 > Sep 29 05:50:21 bkp010 kernel: [559018.460026] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460026] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460027] f8 > Sep 29 05:50:21 bkp010 kernel: [559018.460027] b1 > Sep 29 05:50:21 bkp010 kernel: [559018.460027] eb > Sep 29 05:50:21 bkp010 kernel: [559018.460028] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460028] 45 > Sep 29 05:50:21 bkp010 kernel: [559018.460028] 39 > Sep 29 05:50:21 bkp010 kernel: [559018.460029] f0 > Sep 29 05:50:21 bkp010 kernel: [559018.460029] d0 > Sep 29 05:50:21 bkp010 kernel: [559018.460030] 81 > Sep 29 05:50:21 bkp010 kernel: [559018.460030] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460030] 2f > Sep 29 05:50:21 bkp010 kernel: [559018.460031] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460031] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460031] f3 > Sep 29 05:50:21 bkp010 kernel: [559018.460032] 01 > Sep 29 05:50:21 bkp010 kernel: [559018.460032] 90 > Sep 29 05:50:21 bkp010 kernel: [559018.460032] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460033] eb > Sep 29 05:50:21 bkp010 kernel: [559018.460033] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460033] e7 > Sep 29 05:50:21 bkp010 kernel: [559018.460034] b8 > Sep 29 05:50:21 bkp010 kernel: [559018.460034] ba > Sep 29 05:50:21 bkp010 kernel: [559018.460035] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460035] ff > Sep 29 05:50:21 bkp010 kernel: [559018.460035] 01 > Sep 29 05:50:21 bkp010 kernel: [559018.460036] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460036] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460037] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460037] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460037] 00 > Sep 29 05:50:21 bkp010 kernel: [559018.460037] f0 > Sep 29 05:50:21 bkp010 kernel: [559018.460038] 8b > Sep 29 05:50:21 bkp010 kernel: [559018.460038] 66 > Sep 29 05:50:21 bkp010 kernel: [559018.460039] 07 > Sep 29 05:50:21 bkp010 kernel: [559018.460039] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460039] 83 > Sep 29 05:50:21 bkp010 kernel: [559018.460039] c1 > Sep 29 05:50:21 bkp010 kernel: [559018.460040] f8 > Sep 29 05:50:21 bkp010 kernel: [559018.460040] 47 > Sep 29 05:50:21 bkp010 kernel: [559018.460040] 01 > Sep 29 05:50:21 bkp010 kernel: [559018.460041] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460041] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460041] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460042] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460042] b6 > Sep 29 05:50:21 bkp010 kernel: [559018.460042] f3 > Sep 29 05:50:21 bkp010 kernel: [559018.460043] d4 > Sep 29 05:50:21 bkp010 kernel: [559018.460043] 90 > Sep 29 05:50:21 bkp010 kernel: [559018.460043] 38 > Sep 29 05:50:21 bkp010 kernel: [559018.460044] > Sep 29 05:50:21 bkp010 kernel: [559018.460044] c2 > Sep 29 05:50:21 bkp010 kernel: [559018.460044] f5 > Sep 29 05:50:21 bkp010 kernel: [559018.460044] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460045] f0 > Sep 29 05:50:21 bkp010 kernel: [559018.460045] 0b > Sep 29 05:50:21 bkp010 kernel: [559018.460046] 0f > Sep 29 05:50:21 bkp010 kernel: [559018.460046] <8a> > Sep 29 05:50:21 bkp010 kernel: [559018.460046] b1 > Sep 29 05:50:21 bkp010 kernel: [559018.460046] 47 > Sep 29 05:50:21 bkp010 kernel: [559018.460047] 17 > Sep 29 05:50:21 bkp010 kernel: [559018.460047] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460048] ff > Sep 29 05:50:21 bkp010 kernel: [559018.460048] 38 > Sep 29 05:50:21 bkp010 kernel: [559018.460048] c8 > Sep 29 05:50:21 bkp010 kernel: [559018.460048] d0 > Sep 29 05:50:21 bkp010 kernel: [559018.460049] 75 > Sep 29 05:50:21 bkp010 kernel: [559018.460049] 74 > Sep 29 05:50:21 bkp010 kernel: [559018.460049] f4 > Sep 29 05:50:21 bkp010 kernel: [559018.460050] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460050] 80 > Sep 29 05:50:21 bkp010 kernel: [559018.460050] f3 > Sep 29 05:50:21 bkp010 kernel: [559018.460051] 47 > Sep 29 05:50:21 bkp010 kernel: [559018.460051] 90 > Sep 29 05:50:21 bkp010 kernel: [559018.460051] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460052] eb > Sep 29 05:50:21 bkp010 kernel: [559018.460052] 01 > Sep 29 05:50:21 bkp010 kernel: [559018.460052] f5 > Sep 29 05:50:21 bkp010 kernel: [559018.460053] 5d > Sep 29 05:50:21 bkp010 kernel: [559018.460053] eb > Sep 29 05:50:21 bkp010 kernel: [559018.460053] c3 > Sep 29 05:50:21 bkp010 kernel: [559018.460054] 02 > Sep 29 05:50:21 bkp010 kernel: [559018.460054] 55 > Sep 29 05:50:21 bkp010 kernel: [559018.460054] f3 > Sep 29 05:50:21 bkp010 kernel: [559018.460055] 65 > Sep 29 05:50:21 bkp010 kernel: [559018.460055] 90 > Sep 29 05:50:21 bkp010 kernel: [559018.460055] 8b > Sep 29 05:50:21 bkp010 kernel: [559018.460055] 8b > Sep 29 05:50:21 bkp010 kernel: [559018.460056] 04 > Sep 29 05:50:21 bkp010 kernel: [559018.460056] 07 > Sep 29 05:50:21 bkp010 kernel: [559018.460056] 25 > Sep 29 05:50:21 bkp010 kernel: [559018.460057] 84 > Sep 29 05:50:21 bkp010 kernel: [559018.460057] > Sep 29 05:50:21 bkp010 kernel: [559018.460058] c0 75 f8 > Sep 29 05:50:21 bkp010 kernel: [559018.478275] Modules linked in: > ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 > nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables cpufreq_ondemand > cpufreq_conservative cpufreq_powersave cpufreq_stats bridge stp llc > ipv6 btrfs xor raid6_pq zlib_deflate coretemp hwmon loop pcspkr > parport_pc parport i2c_i801 i2ccore battery tpm_infineon tpm_tis > video tpm ehci_pci ehci_hcd lpc_ich mfd_core acpi_cpufreq button > ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod > r8169 mii > Sep 29 05:50:21 bkp010 kernel: [559018.478644] CPU: 6 PID: 16872 > Comm: kworker/u16:24 Tainted: G L 3.17.0-rc6 #1 > Sep 29 05:50:21 bkp010 kernel: [559018.478733] Hardware name: System > manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 > Sep 29 05:50:21 bkp010 kernel: [559018.478832] Workqueue: > btrfs-endio-write btrfs_endio_write_helper [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.478882] task: > ffff8807f3ac4830 ti: ffff8801c8eac000 task.ti: ffff8801c8eac000 > Sep 29 05:50:21 bkp010 kernel: [559018.478970] RIP: > 0010:[] [] > queue_read_lock_slowpath+0x3b/0x69 > Sep 29 05:50:21 bkp010 kernel: [559018.479062] RSP: > 0018:ffff8801c8eaf978 EFLAGS: 00000297 > Sep 29 05:50:21 bkp010 kernel: [559018.479109] RAX: 000000000000fefd > RBX: ffff8807f1234000 RCX: ffff880000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.479197] RDX: 00000000000000fe > RSI: 0000000000000004 RDI: ffff880220484f78 > Sep 29 05:50:21 bkp010 kernel: [559018.479285] RBP: ffff8801c8eaf978 > R08: ffff880535113908 R09: 0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.479374] R10: 0000000000000008 > R11: 0000000000000000 R12: 000000000000e2d9 > Sep 29 05:50:21 bkp010 kernel: [559018.479462] R13: ffff880036d50198 > R14: ffff8804d63e2de0 R15: ffff8801c8eaf8f8 > Sep 29 05:50:21 bkp010 kernel: [559018.479550] FS: > 0000000000000000(0000) GS:ffff88081fb80000(0000) > knlGS:0000000000000000 > Sep 29 05:50:21 bkp010 kernel: [559018.479639] CS: 0010 DS: 0000 > ES: 0000 CR0: 0000000080050033 > Sep 29 05:50:21 bkp010 kernel: [559018.479687] CR2: 00007fffedc105e8 > CR3: 0000000001611000 CR4: 00000000001407e0 > Sep 29 05:50:21 bkp010 kernel: [559018.479775] Stack: > Sep 29 05:50:21 bkp010 kernel: [559018.480935] ffff8801c8eaf988 > ffffffff813b0165 ffff8801c8eaf9a8 ffffffffa02fd430 > Sep 29 05:50:21 bkp010 kernel: [559018.481026] 0000000000000002 > ffffffffffffffec ffff8801c8eaf9c8 ffffffffa02aeb59 > Sep 29 05:50:21 bkp010 kernel: [559018.481116] ffff880681c1b090 > 0000000000000001 ffff8801c8eafa58 ffffffffa02b3436 > Sep 29 05:50:21 bkp010 kernel: [559018.481207] Call Trace: > Sep 29 05:50:21 bkp010 kernel: [559018.481251] [] > _raw_read_lock+0x16/0x18 > Sep 29 05:50:21 bkp010 kernel: [559018.481308] [] > btrfs_clear_lock_blocking_rw+0x79/0xc7 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481403] [] > btrfs_clear_path_blocking+0x24/0x56 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481496] [] > btrfs_search_slot+0x6db/0x816 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481550] [] > btrfs_next_old_leaf+0xe3/0x3bf [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481603] [] > btrfs_next_leaf+0xb/0xd [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481659] [] > __btrfs_drop_extents+0x245/0xb7d [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481709] [] > ? autoremove_wake_function+0xf/0x32 > Sep 29 05:50:21 bkp010 kernel: [559018.481765] [] > insert_reserved_file_extent.constprop.64+0x9a/0x2a5 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481862] [] > btrfs_finish_ordered_io+0x26b/0x43b [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.481958] [] > ? end_compressed_bio_write+0x57/0xc6 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.482052] [] > finish_ordered_fn+0x10/0x12 [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.482108] [] > normal_work_helper+0xb5/0x16a [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.482164] [] > btrfs_endio_write_helper+0xd/0xf [btrfs] > Sep 29 05:50:21 bkp010 kernel: [559018.482213] [] > process_one_work+0x188/0x2ab > Sep 29 05:50:21 bkp010 kernel: [559018.482262] [] > worker_thread+0x261/0x35e > Sep 29 05:50:21 bkp010 kernel: [559018.482310] [] > ? process_scheduled_works+0x2a/0x2a > Sep 29 05:50:21 bkp010 kernel: [559018.482359] [] > kthread+0xcd/0xd5 > Sep 29 05:50:21 bkp010 kernel: [559018.482406] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.482456] [] > ret_from_fork+0x7c/0xb0 > Sep 29 05:50:21 bkp010 kernel: [559018.482504] [] > ? kthread_freezable_should_stop+0x43/0x43 > Sep 29 05:50:21 bkp010 kernel: [559018.482553] Code: e5 74 0c eb 02 > f3 90 8b 07 fe c0 74 f8 eb 45 f0 81 2f 00 01 00 00 b8 00 01 00 00 f0 > 66 0f c1 47 04 0f b6 d4 38 c2 74 0b 8a 47 04 <38> d0 74 04 f3 90 eb > f5 eb 02 f3 90 8b 07 84 c0 75 f8 b8 00 01 > How does this happen? A stressful write with compression? thanks, -liubo