From: Alexey Shvetsov <alexxy@gentoo.org>
To: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: WARNING: at fs/btrfs/extent-tree.c:6170 btrfs_alloc_free_block+0x354/0x360()
Date: Tue, 03 Apr 2012 00:14:26 +0400 [thread overview]
Message-ID: <9614443.xYNqcOt5CV@x201> (raw)
[-- Attachment #1: Type: text/plain, Size: 3885 bytes --]
Hi!
I get this traces under high parallel io load on btrfs
btrfs: block rsv returned -28
------------[ cut here ]------------
WARNING: at fs/btrfs/extent-tree.c:6170 btrfs_alloc_free_block+0x354/0x360()
Hardware name: EP45-DS4
Modules linked in: tun ath5k ath i2c_i801
Pid: 20480, comm: btrfs-endio-wri Not tainted 3.3.0-gentoo #2
Call Trace:
[<ffffffff81046b6a>] warn_slowpath_common+0x7a/0xb0
[<ffffffff81046bb5>] warn_slowpath_null+0x15/0x20
[<ffffffff8132cf34>] btrfs_alloc_free_block+0x354/0x360
[<ffffffff8106fdb1>] ? get_parent_ip+0x11/0x50
[<ffffffff81333f00>] ? verify_parent_transid+0x160/0x160
[<ffffffff8135bf18>] ? read_extent_buffer+0xa8/0x180
[<ffffffff8131be0a>] __btrfs_cow_block+0x12a/0x440
[<ffffffff8131c211>] btrfs_cow_block+0xf1/0x1b0
[<ffffffff8131fc9e>] btrfs_search_slot+0x18e/0x8a0
[<ffffffff81378453>] ? tree_insert+0x83/0x210
[<ffffffff8133132f>] btrfs_lookup_csum+0x6f/0x170
[<ffffffff8110f7c7>] ? kmem_cache_alloc+0x97/0xb0
[<ffffffff8133237c>] btrfs_csum_file_blocks+0xac/0x670
[<ffffffff813412d0>] ? insert_reserved_file_extent.constprop.58+0x210/0x260
[<ffffffff8133f9bd>] add_pending_csums.isra.44+0x3d/0x60
[<ffffffff81342272>] btrfs_finish_ordered_io+0x242/0x320
[<ffffffff81342365>] btrfs_writepage_end_io_hook+0x15/0x20
[<ffffffff81359178>] end_extent_writepage+0x58/0x100
[<ffffffff81359284>] end_bio_extent_writepage+0x64/0x90
[<ffffffff8114f888>] bio_endio+0x18/0x30
[<ffffffff813356d1>] end_workqueue_fn+0x51/0x130
[<ffffffff81365d98>] worker_loop+0x148/0x560
[<ffffffff81a66a36>] ? preempt_schedule+0x46/0x60
[<ffffffff81365c50>] ? btrfs_queue_worker+0x300/0x300
[<ffffffff8106308e>] kthread+0x8e/0xa0
[<ffffffff81a69de4>] kernel_thread_helper+0x4/0x10
[<ffffffff81063000>] ? kthread_freezable_should_stop+0x60/0x60
[<ffffffff81a69de0>] ? gs_change+0x13/0x13
---[ end trace fd916ccd8369970e ]---
btrfs: block rsv returned -28
------------[ cut here ]------------
WARNING: at fs/btrfs/extent-tree.c:6170 btrfs_alloc_free_block+0x354/0x360()
Hardware name: EP45-DS4
Modules linked in: tun ath5k ath i2c_i801
Pid: 20480, comm: btrfs-endio-wri Tainted: G W 3.3.0-gentoo #2
Call Trace:
[<ffffffff81046b6a>] warn_slowpath_common+0x7a/0xb0
[<ffffffff81046bb5>] warn_slowpath_null+0x15/0x20
[<ffffffff8132cf34>] btrfs_alloc_free_block+0x354/0x360
[<ffffffff8135bf18>] ? read_extent_buffer+0xa8/0x180
[<ffffffff8131d387>] ? comp_keys+0x27/0x30
[<ffffffff8131be0a>] __btrfs_cow_block+0x12a/0x440
[<ffffffff8131c211>] btrfs_cow_block+0xf1/0x1b0
[<ffffffff8131fc9e>] btrfs_search_slot+0x18e/0x8a0
[<ffffffff81378453>] ? tree_insert+0x83/0x210
[<ffffffff8133132f>] btrfs_lookup_csum+0x6f/0x170
[<ffffffff8110f7c7>] ? kmem_cache_alloc+0x97/0xb0
[<ffffffff8133237c>] btrfs_csum_file_blocks+0xac/0x670
[<ffffffff813412d0>] ? insert_reserved_file_extent.constprop.58+0x210/0x260
[<ffffffff8133f9bd>] add_pending_csums.isra.44+0x3d/0x60
[<ffffffff81342272>] btrfs_finish_ordered_io+0x242/0x320
[<ffffffff81342365>] btrfs_writepage_end_io_hook+0x15/0x20
[<ffffffff81359178>] end_extent_writepage+0x58/0x100
[<ffffffff81359284>] end_bio_extent_writepage+0x64/0x90
[<ffffffff8114f888>] bio_endio+0x18/0x30
[<ffffffff813356d1>] end_workqueue_fn+0x51/0x130
[<ffffffff81365d98>] worker_loop+0x148/0x560
[<ffffffff81a66a36>] ? preempt_schedule+0x46/0x60
[<ffffffff81365c50>] ? btrfs_queue_worker+0x300/0x300
[<ffffffff8106308e>] kthread+0x8e/0xa0
[<ffffffff81a69de4>] kernel_thread_helper+0x4/0x10
[<ffffffff81063000>] ? kthread_freezable_should_stop+0x60/0x60
[<ffffffff81a69de0>] ? gs_change+0x13/0x13
---[ end trace fd916ccd8369970f ]---
--
Best Regards,
Alexey 'Alexxy' Shvetsov
Petersburg Nuclear Physics Institute, Russia
Department of Molecular and Radiation Biophysics
Gentoo Team Ru
Gentoo Linux Dev
mailto:alexxyum@gmail.com
mailto:alexxy@gentoo.org
mailto:alexxy@omrb.pnpi.spb.ru
[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 836 bytes --]
reply other threads:[~2012-04-02 20:14 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9614443.xYNqcOt5CV@x201 \
--to=alexxy@gentoo.org \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.