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Re: XFS filesystem shutting down on linux 2.6.28.10 (xfs_rename)

To: xfs@xxxxxxxxxxx
Subject: Re: XFS filesystem shutting down on linux 2.6.28.10 (xfs_rename)
From: Krzysztof Błaszkowski <kb@xxxxxxxxxxxxxxx>
Date: Mon, 10 Aug 2009 10:20:41 +0200
Cc: Chris Samuel <csamuel@xxxxxxxx>
In-reply-to: <1367391532.793061249444829356.JavaMail.root@xxxxxxxxxxxxx>
Organization: Systemy mikroprocesorowe
References: <1367391532.793061249444829356.JavaMail.root@xxxxxxxxxxxxx>
User-agent: KMail/1.9.5
Hi all,

this may be a bit off topic but i want to point out that included xfs_objdump 
seems to be corrupted. I think there are too many branches and calls and no 
other instructions. i couldn't see also any function's prolog and my dump 
looks quite different.

Regards,
Krzysztof Blaszkowski


On Wednesday 05 August 2009 06:00, Chris Samuel wrote:
> Hi folks,
>
> I believe we've been hitting the same issue that
> Gabriel Barazer reported in 2.6.28.9 on the 22nd
> of July on our NFS server for our HPC Linux clusters.
>
> Here is the backtrace we got this morning:
>
> Aug  5 11:44:27 stg7 kernel: [680506.864506] Pid: 5271, comm: nfsd Not
> tainted 2.6.28.10-vpac-1 #1 Aug  5 11:44:27 stg7 kernel: [680506.864508]
> Call Trace:
> Aug  5 11:44:27 stg7 kernel: [680506.864541]  [<ffffffffa032c8d5>]
> xfs_rename+0x5ac/0x5af [xfs] Aug  5 11:44:27 stg7 kernel: [680506.864567] 
> [<ffffffffa032d793>] xfs_trans_cancel+0x56/0xee [xfs] Aug  5 11:44:27 stg7
> kernel: [680506.864589]  [<ffffffffa032c8d5>] xfs_rename+0x5ac/0x5af [xfs]
> Aug  5 11:44:27 stg7 kernel: [680506.864609]  [<ffffffffa033b8d0>]
> xfs_vn_rename+0x61/0x69 [xfs] Aug  5 11:44:27 stg7 kernel: [680506.864615] 
> [<ffffffff8029a798>] vfs_rename+0x28a/0x404 Aug  5 11:44:27 stg7 kernel:
> [680506.864642]  [<ffffffffa045322c>] nfsd_rename+0x2ba/0x35f [nfsd] Aug  5
> 11:44:27 stg7 kernel: [680506.864654]  [<ffffffffa045a898>]
> nfsd3_proc_rename+0x120/0x131 [nfsd] Aug  5 11:44:27 stg7 kernel:
> [680506.864681]  [<ffffffffa044f23b>] nfsd_dispatch+0xdd/0x1b9 [nfsd] Aug 
> 5 11:44:27 stg7 kernel: [680506.864706]  [<ffffffffa03b3cdd>]
> svc_process+0x3e6/0x70e [sunrpc] Aug  5 11:44:27 stg7 kernel:
> [680506.864711]  [<ffffffff8022f9f2>] default_wake_function+0x0/0xe Aug  5
> 11:44:27 stg7 kernel: [680506.864717]  [<ffffffff8040dfac>]
> __down_read+0x15/0x99 Aug  5 11:44:27 stg7 kernel: [680506.864740] 
> [<ffffffffa044f7d1>] nfsd+0x1a0/0x26c [nfsd] Aug  5 11:44:27 stg7 kernel:
> [680506.864750]  [<ffffffffa044f631>] nfsd+0x0/0x26c [nfsd] Aug  5 11:44:27
> stg7 kernel: [680506.864754]  [<ffffffff802470de>] kthread+0x47/0x73 Aug  5
> 11:44:27 stg7 kernel: [680506.864757]  [<ffffffff80232f9a>]
> schedule_tail+0x27/0x60 Aug  5 11:44:27 stg7 kernel: [680506.864761] 
> [<ffffffff8020ccd9>] child_rip+0xa/0x11 Aug  5 11:44:27 stg7 kernel:
> [680506.864764]  [<ffffffff80247097>] kthread+0x0/0x73 Aug  5 11:44:27 stg7
> kernel: [680506.864766]  [<ffffffff8020cccf>] child_rip+0x0/0x11 Aug  5
> 11:44:27 stg7 kernel: [680506.864770] xfs_force_shutdown(md25,0x8) called
> from line 1165 of file fs/xfs/xfs _trans.c.  Return address =
> 0xffffffffa032d7ac
>
> Here's another backtrace from a week ago (same kernel):
>
> Jul 28 13:27:22 stg7 kernel: [3528649.232700] Pid: 5414, comm: nfsd Not
> tainted 2.6.28.10-vpac-1 #1 Jul 28 13:27:22 stg7 kernel: [3528649.232702]
> Call Trace:
> Jul 28 13:27:22 stg7 kernel: [3528649.232734]  [<ffffffffa03728d5>]
> xfs_rename+0x5ac/0x5af [xfs] Jul 28 13:27:22 stg7 kernel: [3528649.232756] 
> [<ffffffffa0373793>] xfs_trans_cancel+0x56/0xee [xfs] Jul 28 13:27:22 stg7
> kernel: [3528649.232778]  [<ffffffffa03728d5>] xfs_rename+0x5ac/0x5af [xfs]
> Jul 28 13:27:22 stg7 kernel: [3528649.232809]  [<ffffffffa03818d0>]
> xfs_vn_rename+0x61/0x69 [xfs] Jul 28 13:27:22 stg7 kernel: [3528649.232814]
>  [<ffffffff8029a798>] vfs_rename+0x28a/0x404 Jul 28 13:27:22 stg7 kernel:
> [3528649.232829]  [<ffffffffa03f822c>] nfsd_rename+0x2ba/0x35f [nfsd] Jul
> 28 13:27:22 stg7 kernel: [3528649.232855]  [<ffffffffa03ff898>]
> nfsd3_proc_rename+0x120/0x131 [nfsd] Jul 28 13:27:22 stg7 kernel:
> [3528649.232879]  [<ffffffffa03f423b>] nfsd_dispatch+0xdd/0x1b9 [nfsd] Jul
> 28 13:27:22 stg7 kernel: [3528649.232902]  [<ffffffffa03abcdd>]
> svc_process+0x3e6/0x70e [sunrpc] Jul 28 13:27:22 stg7 kernel:
> [3528649.232907]  [<ffffffff8022f9f2>] default_wake_function+0x0/0xe Jul 28
> 13:27:22 stg7 kernel: [3528649.232912]  [<ffffffff8040dfac>]
> __down_read+0x15/0x99 Jul 28 13:27:22 stg7 kernel: [3528649.232922] 
> [<ffffffffa03f47d1>] nfsd+0x1a0/0x26c [nfsd] Jul 28 13:27:22 stg7 kernel:
> [3528649.232948]  [<ffffffffa03f4631>] nfsd+0x0/0x26c [nfsd] Jul 28
> 13:27:22 stg7 kernel: [3528649.232952]  [<ffffffff802470de>]
> kthread+0x47/0x73 Jul 28 13:27:22 stg7 kernel: [3528649.232955] 
> [<ffffffff80232f9a>] schedule_tail+0x27/0x60 Jul 28 13:27:22 stg7 kernel:
> [3528649.232959]  [<ffffffff8020ccd9>] child_rip+0xa/0x11 Jul 28 13:27:22
> stg7 kernel: [3528649.232962]  [<ffffffff80247097>] kthread+0x0/0x73 Jul 28
> 13:27:22 stg7 kernel: [3528649.232964]  [<ffffffff8020cccf>]
> child_rip+0x0/0x11 Jul 28 13:27:22 stg7 kernel: [3528649.232967]
> xfs_force_shutdown(md25,0x8) called from line 1165 of file fs/xfs/xf
> s_trans.c.  Return address = 0xffffffffa03737ac
>
> This kernel is built with XFS as a kernel module so I've
> been able to attach the objdump output that Eric Sandeen
> had originally requested from Gabriel.
>
> Like Gabriel we're stuck on 2.6.28.x as the last working
> NFS exporting XFS kernel due to kernel bug #13375 (the
> radix bug), so I hope this helps!
>
> cheers,
> Chris

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