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Subject: Re: kernel OOPS for XFS in xfs_iget_core (using NFS+SMP+MD)
From: Lee Revell <rlrevell@joe-job.com>
To: Joshua Baker-LePain <jlb17@duke.edu>
Cc: Gregory Brauer <greg@wildbrain.com>, linux-kernel@vger.kernel.org,
       linux-xfs@oss.sgi.com, Jakob Oestergaard <jakob@unthought.net>,
       Chris Wedgwood <cw@f00f.org>
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Date: Thu, 19 May 2005 17:09:23 -0400
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On Thu, 2005-05-19 at 17:00 -0400, Joshua Baker-LePain wrote:
> May 19 16:47:10 norbert kernel: Filesystem "md0": XFS internal error xfs_da_do_buf(1) at line 2176 of file fs/xfs/xfs_da_btree.c.  Caller 0xf8c90148
> May 19 16:47:10 norbert kernel:  [<f8c8fd5b>] xfs_da_do_buf+0x357/0x70d [xfs]
> May 19 16:47:10 norbert kernel:  [<f8c90148>] xfs_da_read_buf+0x19/0x1e [xfs]
> May 19 16:47:10 norbert kernel:  [<c013e67c>] buffered_rmqueue+0x17d/0x1a5
> May 19 16:47:10 norbert kernel:  [<f8c90148>] xfs_da_read_buf+0x19/0x1e [xfs]
> May 19 16:47:10 norbert kernel:  [<f8c8e7e7>] xfs_da_node_lookup_int+0x9d/0x2c0 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8c8e7e7>] xfs_da_node_lookup_int+0x9d/0x2c0 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8cc103e>] kmem_zone_alloc+0x3b/0x70 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8c98300>] xfs_dir2_node_lookup+0x34/0x96 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8c91a23>] xfs_dir2_lookup+0xde/0x107 [xfs]
> May 19 16:47:10 norbert kernel:  [<c019e09d>] avc_has_perm_noaudit+0x8d/0xda
> May 19 16:47:10 norbert kernel:  [<c019e09d>] avc_has_perm_noaudit+0x8d/0xda
> May 19 16:47:10 norbert kernel:  [<f8cb8c1f>] xfs_dir_lookup_int+0x26/0xa8 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8cbd09b>] xfs_lookup+0x40/0x69 [xfs]
> May 19 16:47:10 norbert kernel:  [<c016b6c2>] wake_up_inode+0x6/0x29
> May 19 16:47:10 norbert kernel:  [<f8cc953d>] vfs_init_vnode+0x1e/0x22 [xfs]
> May 19 16:47:10 norbert kernel:  [<f8cc910f>] linvfs_get_parent+0x43/0x75 [xfs]
> May 19 16:47:10 norbert kernel:  [<c02c4022>] __cond_resched+0x14/0x39
> May 19 16:47:10 norbert kernel:  [<c02c4022>] __cond_resched+0x14/0x39
> May 19 16:47:10 norbert kernel:  [<c016941e>] d_alloc+0x197/0x1a1
> May 19 16:47:10 norbert kernel:  [<c0169587>] d_alloc_anon+0xd1/0xee
> May 19 16:47:10 norbert kernel:  [<c02c4022>] __cond_resched+0x14/0x39
> May 19 16:47:10 norbert kernel:  [<f8b1c303>] find_exported_dentry+0x303/0x5e8 [exportfs]
> May 19 16:47:10 norbert kernel:  [<c026f9c2>] skb_copy_datagram_iovec+0x4f/0x1e1
> May 19 16:47:10 norbert kernel:  [<c026d423>] release_sock+0xf/0x4f
> May 19 16:47:10 norbert kernel:  [<c0291ab6>] tcp_recvmsg+0x64a/0x681
> May 19 16:47:10 norbert kernel:  [<c026d550>] sock_common_recvmsg+0x30/0x46
> May 19 16:47:10 norbert kernel:  [<c026a230>] sock_recvmsg+0xef/0x10c
> May 19 16:47:10 norbert kernel:  [<c028b67f>] dst_output+0x0/0x1a
> May 19 16:47:10 norbert kernel:  [<c011b3ee>] recalc_task_prio+0x128/0x133
> May 19 16:47:10 norbert kernel:  [<c011b481>] activate_task+0x88/0x95
> May 19 16:47:10 norbert kernel:  [<c011b902>] try_to_wake_up+0x222/0x22d
> May 19 16:47:10 norbert kernel:  [<c011cdbd>] __wake_up_common+0x36/0x51
> May 19 16:47:11 norbert kernel:  [<c011ce01>] __wake_up+0x29/0x3c
> May 19 16:47:11 norbert kernel:  [<f8b438d2>] svc_sock_enqueue+0x1d6/0x212 [sunrpc]
> May 19 16:47:11 norbert kernel:  [<f8b4485d>] svc_tcp_recvfrom+0x304/0x376 [sunrpc]
> May 19 16:47:11 norbert kernel:  [<f8c1beb5>] svc_expkey_lookup+0x1fc/0x330 [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8b1c88e>] export_decode_fh+0x61/0x6d [exportfs]
> May 19 16:47:11 norbert kernel:  [<f8c17884>] nfsd_acceptable+0x0/0xba [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8b1c82d>] export_decode_fh+0x0/0x6d [exportfs]
> May 19 16:47:11 norbert kernel:  [<f8c17cfa>] fh_verify+0x3bc/0x5bd [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8c17884>] nfsd_acceptable+0x0/0xba [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8c1ff2a>] nfsd3_proc_getattr+0x6f/0x77 [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8c21b06>] nfs3svc_decode_fhandle+0x0/0x8d [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8c165d7>] nfsd_dispatch+0xba/0x16f [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8b43446>] svc_process+0x420/0x6d6 [sunrpc]
> May 19 16:47:11 norbert kernel:  [<f8c163b7>] nfsd+0x1cc/0x332 [nfsd]
> May 19 16:47:11 norbert kernel:  [<f8c161eb>] nfsd+0x0/0x332 [nfsd]
> May 19 16:47:11 norbert kernel:  [<c01041f1>] kernel_thread_helper+0x5/0xb

Couldn't this be a stack overflow?  That's a very large kernel stack.

Lee

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