From: Arne Jansen <sensille@gmx.net>
To: Liu Bo <liubo2009@cn.fujitsu.com>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: [PATCH 0/5] btrfs: snapshot deletion via readahead
Date: Fri, 27 Apr 2012 08:13:26 +0200 [thread overview]
Message-ID: <4F9A3906.1030002@gmx.net> (raw)
In-Reply-To: <4F9A0F94.3030409@cn.fujitsu.com>
Hi Liu Bo,
thanks for testing :)
so one block reserve ran out of space. Did you use the same test as
before? On SSD?
Thanks,
Arne
On 27.04.2012 05:16, Liu Bo wrote:
>
> Sorry for the long delay.
>
> I've tested the droptree patch (1/5->5/5) on the latest upstream 3.4-rc4
> along with the missed patch "btrfs: fix race in reada".
>
> And I've got several different bugs and hangs, one of them is the following:
>
> Btrfs loaded
> device fsid e7b013a1-0d11-4162-83de-8404360f520a devid 1 transid 4 /dev/sdb6
> btrfs: disk space caching is enabled
> Btrfs detected SSD devices, enabling SSD mode
> device fsid e7b013a1-0d11-4162-83de-8404360f520a devid 1 transid 8 /dev/sdb6
> btrfs: disk space caching is enabled
> Btrfs detected SSD devices, enabling SSD mode
> device fsid e7b013a1-0d11-4162-83de-8404360f520a devid 1 transid 2011 /dev/sdb6
> btrfs: disk space caching is enabled
> Btrfs detected SSD devices, enabling SSD mode
> btrfs: block rsv returned -28
> ------------[ cut here ]------------
> WARNING: at fs/btrfs/extent-tree.c:6220 btrfs_alloc_free_block+0x353/0x370 [btrfs]()
> Hardware name: QiTianM7150
> Modules linked in: btrfs(O) zlib_deflate libcrc32c ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables ipt_REJECT bridge stp llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm_intel kvm ppdev sg parport_pc parport coretemp hwmon i2c_i801 pcspkr iTCO_wdt iTCO_vendor_support sky2 snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic ata_piix i915 drm_km
s_helper drm i2c_algo_bit i2c_core video [last unloaded: btrfs]
> Pid: 4605, comm: btrfs-transacti Tainted: G O 3.4.0-rc4+ #11
> Call Trace:
> [<ffffffff8104d6df>] warn_slowpath_common+0x7f/0xc0
> [<ffffffff8104d73a>] warn_slowpath_null+0x1a/0x20
> [<ffffffffa0726b43>] btrfs_alloc_free_block+0x353/0x370 [btrfs]
> [<ffffffffa0755c71>] ? read_extent_buffer+0xd1/0x130 [btrfs]
> [<ffffffffa072e04a>] ? btree_read_extent_buffer_pages.clone.2+0xca/0x140 [btrfs]
> [<ffffffffa0710a62>] __btrfs_cow_block+0x142/0x570 [btrfs]
> [<ffffffffa07130dd>] ? read_block_for_search+0x14d/0x3e0 [btrfs]
> [<ffffffffa0711492>] btrfs_cow_block+0x102/0x210 [btrfs]
> [<ffffffffa0716b5c>] btrfs_search_slot+0x42c/0x960 [btrfs]
> [<ffffffffa07853b9>] btrfs_delete_delayed_items+0x99/0x340 [btrfs]
> [<ffffffff81152662>] ? kmem_cache_alloc+0x152/0x190
> [<ffffffffa0786212>] btrfs_run_delayed_items+0x112/0x160 [btrfs]
> [<ffffffffa07346df>] btrfs_commit_transaction+0x36f/0xa80 [btrfs]
> [<ffffffffa07351c2>] ? start_transaction+0x92/0x320 [btrfs]
> [<ffffffff8106fb60>] ? wake_up_bit+0x40/0x40
> [<ffffffffa072fb5b>] transaction_kthread+0x26b/0x2e0 [btrfs]
> [<ffffffffa072f8f0>] ? btrfs_destroy_marked_extents.clone.0+0x1f0/0x1f0 [btrfs]
> [<ffffffffa072f8f0>] ? btrfs_destroy_marked_extents.clone.0+0x1f0/0x1f0 [btrfs]
> [<ffffffff8106f4be>] kthread+0x9e/0xb0
> [<ffffffff814fc864>] kernel_thread_helper+0x4/0x10
> [<ffffffff8106f420>] ? kthread_freezable_should_stop+0x70/0x70
> [<ffffffff814fc860>] ? gs_change+0x13/0x13
> ---[ end trace 504e7bc5e13ed457 ]---
> btrfs: block rsv returned -28
> ------------[ cut here ]------------
> WARNING: at fs/btrfs/extent-tree.c:6220 btrfs_alloc_free_block+0x353/0x370 [btrfs]()
> Hardware name: QiTianM7150
> Modules linked in: btrfs(O) zlib_deflate libcrc32c ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables ipt_REJECT bridge stp llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm_intel kvm ppdev sg parport_pc parport coretemp hwmon i2c_i801 pcspkr iTCO_wdt iTCO_vendor_support sky2 snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic ata_piix i915 drm_km
s_helper drm i2c_algo_bit i2c_core video [last unloaded: btrfs]
> Pid: 4605, comm: btrfs-transacti Tainted: G W O 3.4.0-rc4+ #11
> Call Trace:
> [<ffffffff8104d6df>] warn_slowpath_common+0x7f/0xc0
> [<ffffffff8104d73a>] warn_slowpath_null+0x1a/0x20
> [<ffffffffa0726b43>] btrfs_alloc_free_block+0x353/0x370 [btrfs]
> [<ffffffffa0755c71>] ? read_extent_buffer+0xd1/0x130 [btrfs]
> [<ffffffffa072e04a>] ? btree_read_extent_buffer_pages.clone.2+0xca/0x140 [btrfs]
> [<ffffffffa0710a62>] __btrfs_cow_block+0x142/0x570 [btrfs]
> [<ffffffffa07130dd>] ? read_block_for_search+0x14d/0x3e0 [btrfs]
> [<ffffffffa0711492>] btrfs_cow_block+0x102/0x210 [btrfs]
> [<ffffffffa0716b5c>] btrfs_search_slot+0x42c/0x960 [btrfs]
> [<ffffffffa07853b9>] btrfs_delete_delayed_items+0x99/0x340 [btrfs]
> [<ffffffff81152662>] ? kmem_cache_alloc+0x152/0x190
> [<ffffffffa0786212>] btrfs_run_delayed_items+0x112/0x160 [btrfs]
> [<ffffffffa07346df>] btrfs_commit_transaction+0x36f/0xa80 [btrfs]
> [<ffffffffa07351c2>] ? start_transaction+0x92/0x320 [btrfs]
> [<ffffffff8106fb60>] ? wake_up_bit+0x40/0x40
> [<ffffffffa072fb5b>] transaction_kthread+0x26b/0x2e0 [btrfs]
> [<ffffffffa072f8f0>] ? btrfs_destroy_marked_extents.clone.0+0x1f0/0x1f0 [btrfs]
> [<ffffffffa072f8f0>] ? btrfs_destroy_marked_extents.clone.0+0x1f0/0x1f0 [btrfs]
> [<ffffffff8106f4be>] kthread+0x9e/0xb0
> [<ffffffff814fc864>] kernel_thread_helper+0x4/0x10
> [<ffffffff8106f420>] ? kthread_freezable_should_stop+0x70/0x70
> [<ffffffff814fc860>] ? gs_change+0x13/0x13
> ---[ end trace 504e7bc5e13ed458 ]---
> ------------[ cut here ]------------
> kernel BUG at fs/btrfs/transaction.c:1550!
> invalid opcode: 0000 [#1] SMP
> CPU 1
> Modules linked in: btrfs(O) zlib_deflate libcrc32c ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables ipt_REJECT bridge stp llc nfsd lockd nfs_acl auth_rpcgss exportfs autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb3i libcxgbi cxgb3 mdio ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ext3 jbd dm_mirror dm_region_hash dm_log dm_mod kvm_intel kvm ppdev sg parport_pc parport coretemp hwmon i2c_i801 pcspkr iTCO_wdt iTCO_vendor_support sky2 snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore snd_page_alloc ext4 mbcache jbd2 sd_mod crc_t10dif pata_acpi ata_generic ata_piix i915 drm_km
s_helper drm i2c_algo_bit i2c_core video [last unloaded: btrfs]
>
> Pid: 4604, comm: btrfs-cleaner Tainted: G W O 3.4.0-rc4+ #11 LENOVO QiTianM7150/To be filled by O.E.M.
> RIP: 0010:[<ffffffffa0732de0>] [<ffffffffa0732de0>] btrfs_clean_old_snapshots+0x1d0/0x1e0 [btrfs]
> RSP: 0018:ffff880057113df0 EFLAGS: 00010286
> RAX: 00000000ffff8800 RBX: ffff880057113e10 RCX: ffff880052166780
> RDX: ffff880057113e10 RSI: ffff880057113e10 RDI: ffff880052166780
> RBP: ffff880057113e60 R08: ffff880057113e10 R09: 0000000000000000
> R10: 0000000000000000 R11: 0000000000000001 R12: ffff880000000000
> R13: 0000160000000000 R14: ffff880079ecb800 R15: ffff880057113e20
> FS: 0000000000000000(0000) GS:ffff88007da80000(0000) knlGS:0000000000000000
> CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 0000003842cd3ac0 CR3: 00000000542eb000 CR4: 00000000000407e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process btrfs-cleaner (pid: 4604, threadinfo ffff880057112000, task ffff880075d60b30)
> Stack:
> ffff880052166780 ffff880076918000 ffff880057113fd8 ffff880052166400
> ffff880052166780 ffff880052166780 ffff880052166f80 ffff880079f16f80
> ffff880057113e80 ffff880079ecb800 ffff880057113e80 ffff880057113e98
> Call Trace:
> [<ffffffffa072d360>] cleaner_kthread+0x160/0x1c0 [btrfs]
> [<ffffffffa072d200>] ? btrfs_bio_wq_end_io+0x90/0x90 [btrfs]
> [<ffffffffa072d200>] ? btrfs_bio_wq_end_io+0x90/0x90 [btrfs]
> [<ffffffff8106f4be>] kthread+0x9e/0xb0
> [<ffffffff814fc864>] kernel_thread_helper+0x4/0x10
> [<ffffffff8106f420>] ? kthread_freezable_should_stop+0x70/0x70
> [<ffffffff814fc860>] ? gs_change+0x13/0x13
> Code: 22 b2 e0 31 c9 31 f6 ba 01 00 00 00 4c 89 e7 e8 47 24 ff ff 48 39 5d b0 75 d9 48 83 c4 48 31 c0 5b 41 5c 41 5d 41 5e 41 5f c9 c3 <0f> 0b eb fe 66 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53
> RIP [<ffffffffa0732de0>] btrfs_clean_old_snapshots+0x1d0/0x1e0 [btrfs]
> RSP <ffff880057113df0>
> ---[ end trace 504e7bc5e13ed459 ]---
>
>
> kernel BUG at fs/btrfs/transaction.c:1550!
> refers to
> int btrfs_clean_old_snapshots(struct btrfs_root *root)
> {
> [...]
> while (!list_empty(&list)) {
> [...]
> BUG_ON(ret < 0); ---> the bug
> }
>
> thanks,
> liubo
next prev parent reply other threads:[~2012-04-27 6:13 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-12 15:54 [PATCH 0/5] btrfs: snapshot deletion via readahead Arne Jansen
2012-04-12 15:54 ` [PATCH 1/5] btrfs: extend readahead interface Arne Jansen
2012-05-09 14:48 ` David Sterba
2012-05-17 13:47 ` Arne Jansen
2012-04-12 15:54 ` [PATCH 2/5] btrfs: add droptree inode Arne Jansen
2012-04-12 15:54 ` [PATCH 3/5] btrfs: droptree structures and initialization Arne Jansen
2012-04-12 15:54 ` [PATCH 4/5] btrfs: droptree implementation Arne Jansen
2012-04-13 2:53 ` Tsutomu Itoh
2012-04-13 6:48 ` Arne Jansen
2012-04-12 15:54 ` [PATCH 5/5] btrfs: use droptree for snapshot deletion Arne Jansen
2012-04-13 3:40 ` [PATCH 0/5] btrfs: snapshot deletion via readahead Liu Bo
2012-04-13 4:54 ` cwillu
2012-04-13 6:53 ` Arne Jansen
2012-04-13 7:10 ` Liu Bo
2012-04-13 7:19 ` Arne Jansen
2012-04-13 7:43 ` Liu Bo
2012-04-17 7:35 ` Arne Jansen
2012-04-17 8:21 ` Liu Bo
2012-04-27 3:16 ` Liu Bo
2012-04-27 6:13 ` Arne Jansen [this message]
2012-04-27 6:48 ` Liu Bo
2012-04-13 7:20 ` Liu Bo
2012-04-13 10:31 ` Arne Jansen
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