linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sami Liedes <sami.liedes@iki.fi>
To: Jan Schmidt <list.btrfs@jan-o-sch.net>, linux-btrfs@vger.kernel.org
Subject: Re: btrfs GPF in read_extent_buffer() while scrubbing with kernel 3.4.2
Date: Wed, 4 Jul 2012 03:17:14 +0300	[thread overview]
Message-ID: <20120704001713.GA8986@sli.dy.fi> (raw)
In-Reply-To: <20120703224756.GA21647@sli.dy.fi>

[-- Attachment #1: Type: text/plain, Size: 5804 bytes --]

On Wed, Jul 04, 2012 at 01:47:56AM +0300, Sami Liedes wrote:
> I've seen this before: An overly long "Modules linked in:" line causes
> a large gap in netconsole output.

I managed to capture the entire output using netconsole by modifying
the kernel to not output the list of modules.

	Sami


------------------------------------------------------------
[  125.827919] netpoll: netconsole: local port 4444
[  125.827946] netpoll: netconsole: local IP 192.168.1.2
[  125.827969] netpoll: netconsole: interface 'eth0'
[  125.827990] netpoll: netconsole: remote port 1194
[  125.828011] netpoll: netconsole: remote IP 192.168.1.73
[  125.828034] netpoll: netconsole: remote ethernet address 00:1c:10:44:47:2c
[  125.828169] console [netcon0] enabled
[  125.828193] netconsole: network logging started
[  247.787472] ------------[ cut here ]------------
[  247.787536] WARNING: at fs/btrfs/extent_io.c:4522 read_extent_buffer+0xe6/0x110 [btrfs]()
[  247.787573] Hardware name: System Product Name
[  247.787594] Modules linked in: <omitted>  [last unloaded: scsi_wait_scan]
[  247.787632] Pid: 1146, comm: btrfs-endio-met Tainted: G        W    3.4.4-modded-oops+ #1
[  247.787674] Call Trace:
[  247.787692]  [<ffffffff8103905a>] warn_slowpath_common+0x7a/0xb0
[  247.787794]  [<ffffffff810390a5>] warn_slowpath_null+0x15/0x20
[  247.787835]  [<ffffffffa01d7d86>] read_extent_buffer+0xe6/0x110 [btrfs]
[  247.787877]  [<ffffffffa01cf03d>] btrfs_node_key+0x1d/0x20 [btrfs]
[  247.787917]  [<ffffffffa02054d0>] __readahead_hook.isra.5+0x3c0/0x420 [btrfs]
[  247.787959]  [<ffffffffa020585f>] btree_readahead_hook+0x1f/0x40 [btrfs]
[  247.787999]  [<ffffffffa01ab841>] btree_readpage_end_io_hook+0x111/0x260 [btrfs]
[  247.788043]  [<ffffffffa01d3442>] ? find_first_extent_bit_state+0x22/0x80 [btrfs]
[  247.788087]  [<ffffffffa01d408b>] end_bio_extent_readpage+0xcb/0xa30 [btrfs]
[  247.788129]  [<ffffffffa01aae61>] ? end_workqueue_fn+0x31/0x50 [btrfs]
[  247.788161]  [<ffffffff81158988>] bio_endio+0x18/0x30
[  247.788194]  [<ffffffffa01aae6c>] end_workqueue_fn+0x3c/0x50 [btrfs]
[  247.788234]  [<ffffffffa01e1847>] worker_loop+0x157/0x560 [btrfs]
[  247.788272]  [<ffffffffa01e16f0>] ? btrfs_queue_worker+0x310/0x310 [btrfs]
[  247.788306]  [<ffffffff81058e5e>] kthread+0x8e/0xa0
[  247.788332]  [<ffffffff81419064>] kernel_thread_helper+0x4/0x10
[  247.788360]  [<ffffffff81058dd0>] ? flush_kthread_worker+0x70/0x70
[  247.788389]  [<ffffffff81419060>] ? gs_change+0x13/0x13
[  247.788413] ---[ end trace e93713a9d40cd06e ]---
[  247.788444] general protection fault: 0000 [#1] SMP 
[  247.788473] CPU 5 
[  247.788484] Modules linked in: <omitted>  [last unloaded: scsi_wait_scan]
[  247.788523] 
[  247.788533] Pid: 1146, comm: btrfs-endio-met Tainted: G        W    3.4.4-modded-oops+ #1 System manufacturer System Product Name/P8P67 EVO
[  247.788595] RIP: 0010:[<ffffffff811e83ed>]  [<ffffffff811e83ed>] memcpy+0xd/0x110
[  247.788632] RSP: 0000:ffff8802152f3ba8  EFLAGS: 00010202
[  247.788656] RAX: ffff8802152f3c8f RBX: 0000000000000011 RCX: 0000000000000002
[  247.788687] RDX: 0000000000000001 RSI: 0005080000000003 RDI: ffff8802152f3c8f
[  247.788719] RBP: ffff8802152f3bf0 R08: 0000000000000000 R09: 0000000000000000
[  247.788750] R10: ffff880207dd89c0 R11: ffff8801f3a90780 R12: ffff8802152f3ca0
[  247.788782] R13: ffff8801c1d5b830 R14: 0000000000000048 R15: 0000000000000011
[  247.788814] FS:  0000000000000000(0000) GS:ffff88021ed40000(0000) knlGS:0000000000000000
[  247.788850] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[  247.788876] CR2: 00000000038942a0 CR3: 00000001c26ce000 CR4: 00000000000407e0
[  247.788907] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  247.788939] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[  247.788971] Process btrfs-endio-met (pid: 1146, threadinfo ffff8802152f2000, task ffff8801f4192ca0)
[  247.789009] Stack:
[  247.789021]  ffffffffa01d7d5b ffff8802010b7000 0000000000008003 0000000000001000
[  247.789066]  ffff8802152f3c58 00000000000003dd ffff88021032fa20 ffff8802152f3c58
[  247.789112]  6669646e65230a29 ffff8802152f3c00 ffffffffa01cf03d ffff8802152f3cd0
[  247.789157] Call Trace:
[  247.789184]  [<ffffffffa01d7d5b>] ? read_extent_buffer+0xbb/0x110 [btrfs]
[  247.789226]  [<ffffffffa01cf03d>] btrfs_node_key+0x1d/0x20 [btrfs]
[  247.789265]  [<ffffffffa02054d0>] __readahead_hook.isra.5+0x3c0/0x420 [btrfs]
[  247.789308]  [<ffffffffa020585f>] btree_readahead_hook+0x1f/0x40 [btrfs]
[  247.789348]  [<ffffffffa01ab841>] btree_readpage_end_io_hook+0x111/0x260 [btrfs]
[  247.789391]  [<ffffffffa01d3442>] ? find_first_extent_bit_state+0x22/0x80 [btrfs]
[  247.789434]  [<ffffffffa01d408b>] end_bio_extent_readpage+0xcb/0xa30 [btrfs]
[  247.789475]  [<ffffffffa01aae61>] ? end_workqueue_fn+0x31/0x50 [btrfs]
[  247.789506]  [<ffffffff81158988>] bio_endio+0x18/0x30
[  247.789539]  [<ffffffffa01aae6c>] end_workqueue_fn+0x3c/0x50 [btrfs]
[  247.789578]  [<ffffffffa01e1847>] worker_loop+0x157/0x560 [btrfs]
[  247.789616]  [<ffffffffa01e16f0>] ? btrfs_queue_worker+0x310/0x310 [btrfs]
[  247.789648]  [<ffffffff81058e5e>] kthread+0x8e/0xa0
[  247.789672]  [<ffffffff81419064>] kernel_thread_helper+0x4/0x10
[  247.789700]  [<ffffffff81058dd0>] ? flush_kthread_worker+0x70/0x70
[  247.789729]  [<ffffffff81419060>] ? gs_change+0x13/0x13
[  247.789753] Code: 4e 48 83 c4 08 5b 5d c3 66 0f 1f 44 00 00 e8 eb fb ff ff eb e1 90 90 90 90 90 90 90 90 90 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 <f3> 48 a5 89 d1 f3 a4 c3 20 4c 8b 06 4c 8b 4e 08 4c 8b 56 10 4c 
[  247.790092] RIP  [<ffffffff811e83ed>] memcpy+0xd/0x110
[  247.790120]  RSP <ffff8802152f3ba8>
[  247.790138] ---[ end trace e93713a9d40cd06f ]---

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]

  reply	other threads:[~2012-07-04  0:17 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-02 23:01 btrfs GPF in read_extent_buffer() while scrubbing with kernel 3.4.2 Sami Liedes
2012-07-02 23:08 ` Sami Liedes
2012-07-03 13:11 ` Jan Schmidt
2012-07-03 13:58   ` Sami Liedes
2012-07-03 14:35     ` Jan Schmidt
2012-07-03 22:47       ` Sami Liedes
2012-07-04  0:17         ` Sami Liedes [this message]
2012-07-04 11:26           ` Jan Schmidt
2012-07-04 16:03             ` Sami Liedes
2012-07-04 16:38               ` Jan Schmidt
2012-07-04 20:24                 ` Sami Liedes
2012-07-05 13:41                   ` Jan Schmidt
2012-07-05 23:47                     ` Sami Liedes
2012-07-06 10:42                       ` Jan Schmidt
2012-07-06 11:50                         ` Chris Mason
2012-07-06 14:33                         ` Sami Liedes
2012-07-06 14:40                           ` Chris Mason
2012-07-06 15:02                             ` Jan Schmidt
2012-07-06 15:19                               ` Chris Mason
2012-07-06 15:09                           ` Jan Schmidt
     [not found]                             ` <20120706195923.GA10687@sli.dy.fi>
2012-07-06 21:41                               ` Sami Liedes
2012-07-06 23:44                             ` Sami Liedes
2012-07-09  9:05                               ` *** GMX Spamverdacht *** " Arne Jansen
2012-07-10  4:16                                 ` Sami Liedes
2012-07-10  6:05                                   ` Arne Jansen
2012-07-10  6:57                                   ` *** GMX Spamverdacht *** " Arne Jansen
2012-07-16  8:20                                     ` Arne Jansen
2012-07-16 21:29                                       ` Sami Liedes
2012-07-28 12:08                                         ` Sami Liedes
2012-07-28 18:50                                           ` Sami Liedes
2012-07-03 13:14 ` Sami Liedes
2013-03-27 11:54 ` Stefan Behrens

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=20120704001713.GA8986@sli.dy.fi \
    --to=sami.liedes@iki.fi \
    --cc=linux-btrfs@vger.kernel.org \
    --cc=list.btrfs@jan-o-sch.net \
    /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 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).