Thank you for the reply. We are running CentOS 5.8, with the 2.6.18-164.10.1.el5.centos.plus kernel as it was mentioned in a bug report that has similar behavior, but ultimately a different kernel panic (http://bugs.centos.org/view.php?id=4089). We have tried running xfs_repair in the past and it has not proved useful. The odd part is that these are fresh systems (just installed). If it helps, we are also running glusterfs on these boxes though load does not always correlate to a kernel panic.
Thanks,
Mark
On Fri, Mar 30, 2012 at 6:44 PM, Eric Sandeen <sandeen@xxxxxxxxxxx> wrote:
On 3/30/12 5:02 PM, Mark Rechler wrote:Saying which CentOS it is would help ;) And, standard disclaimers about how CentOS doesn't come with upstream _or_ distro support, etc etc...
> 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
But xfs_da_do_buf(2) indicates on-disk corruption, having encountered a bad magic number when reading from the disk. Have you tried xfs_repair?
-Eric
> _______________________________________________
> 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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