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XFS Kernel Panics in CentOS

To: xfs@xxxxxxxxxxx
Subject: XFS Kernel Panics in CentOS
From: Mark Rechler <mrechler@xxxxxxxxxxxxxx>
Date: Fri, 30 Mar 2012 18:02:55 -0400
Hi Everyone,

We've been getting a lot of errors (across several kernels) and eventually a kernel panic. Any insight into these errors would be much appreciated.

Errors:
Filesystem "dm-3": XFS internal error xfs_da_do_buf(2) at line 2112 of file fs/xfs/xfs_da_btree.c.  Caller 0xffffffff883c1826

Call Trace:
 [<ffffffff883c1725>] :xfs:xfs_da_do_buf+0x503/0x5b1
 [<ffffffff883c1826>] :xfs:xfs_da_read_buf+0x16/0x1b
 [<ffffffff883c1826>] :xfs:xfs_da_read_buf+0x16/0x1b
 [<ffffffff883aeb71>] :xfs:xfs_attr_leaf_get+0x2e/0x99
 [<ffffffff883aeb71>] :xfs:xfs_attr_leaf_get+0x2e/0x99
 [<ffffffff883aec7f>] :xfs:xfs_attr_fetch+0xa3/0xd5
 [<ffffffff883a7aa8>] :xfs:xfs_acl_iaccess+0x64/0xd4
 [<ffffffff883f264a>] :xfs:xfs_check_acl+0x1b/0x2b
 [<ffffffff8000f550>] generic_permission+0x40/0xca
 [<ffffffff8000d902>] permission+0x81/0xc8
 [<ffffffff8000999d>] __link_path_walk+0x173/0xf42
 [<ffffffff8000e9cc>] link_path_walk+0x42/0xb2
 [<ffffffff8000cc9c>] do_path_lookup+0x275/0x2f1
 [<ffffffff8001278e>] getname+0x15b/0x1c2
 [<ffffffff800236f6>] __user_walk_fd+0x37/0x4c
 [<ffffffff8003f1f6>] vfs_lstat_fd+0x18/0x47
 [<ffffffff8008c46e>] default_wake_function+0x0/0xe
 [<ffffffff800efddf>] sys_lgetxattr+0x4e/0x5f
 [<ffffffff8002a996>] sys_newlstat+0x19/0x31
 [<ffffffff8005d229>] tracesys+0x71/0xe0
 [<ffffffff8005d28d>] tracesys+0xd5/0xe0

Code: 0f b6 40 02 89 44 24 04 e9 95 00 00 00 44 0f b6 Z3 44 3b 65
RIP [<ffffffffff8841bfaf>] :xfs:xfs_attr_shortform_getvalue+0x24/0xe2
  RSP <ffff81020752dbc8>
CR2: 00000000000002
  <0>Kernel panic - not syncing: Fatal exception

Thanks,
Mark
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