XFS internal error xfs_da_do_buf

[Sami Farin]

I setup namespace for /tmp and /var/tmp 
( pam_namespace.so into /etc/pam.d/{su,login} )
and something did not like something I did:

[322593.844838] 0x0: 00 00 00 00 2b 00 00 11 20 21 00 00 00 68 ff ff 
[322593.844854] Filesystem "sda8": XFS internal error xfs_da_do_buf(2) at line 2087 of file fs/xfs/xfs_da_btree.c.  Caller 0xc0230808
[322593.844997]  [<c0103cff>] dump_trace+0x215/0x21a
[322593.845024]  [<c0103da7>] show_trace_log_lvl+0x1a/0x30
[322593.845044]  [<c0103dcf>] show_trace+0x12/0x14
[322593.845062]  [<c0103ecc>] dump_stack+0x19/0x1b
[322593.845080]  [<c023a3a3>] xfs_error_report+0x55/0x5b
[322593.845430]  [<c023a4c6>] xfs_corruption_error+0x3f/0x59
[322593.845780]  [<c02306f9>] xfs_da_do_buf+0x716/0x7c1
[322593.846124]  [<c0230808>] xfs_da_read_buf+0x2f/0x35
[322593.846464]  [<c02162bc>] xfs_attr_leaf_get+0x3c/0xa3
[322593.846798]  [<c0214d08>] xfs_attr_fetch+0xb0/0xfe
[322593.847127]  [<c020e56a>] xfs_acl_iaccess+0x59/0xc2
[322593.847451]  [<c02457af>] xfs_iaccess+0x14b/0x189
[322593.847806]  [<c025fb3b>] xfs_access+0x34/0x53
[322593.848182]  [<c026ceea>] xfs_vn_permission+0x12/0x17
[322593.848564]  [<c0175438>] permission+0xe4/0xe6
[322593.848755]  [<c0175449>] vfs_permission+0xf/0x11
[322593.848942]  [<c016d0cf>] sys_faccessat+0xa6/0x144
[322593.849120]  [<c016d18d>] sys_access+0x20/0x22
[322593.849292]  [<c0102e77>] syscall_call+0x7/0xb
[322593.849310]  [<00f4f410>] 0xf4f410
[322593.849334]  =======================
[322593.849358] 0x0: 00 00 00 00 2b 00 00 11 20 21 00 00 00 68 ff ff 
[322593.849364] Filesystem "sda8": XFS internal error xfs_da_do_buf(2) at line 2087 of file fs/xfs/xfs_da_btree.c.  Caller 0xc0230808
[322593.849484]  [<c0103cff>] dump_trace+0x215/0x21a
[322593.849512]  [<c0103da7>] show_trace_log_lvl+0x1a/0x30
[322593.849530]  [<c0103dcf>] show_trace+0x12/0x14
[322593.849548]  [<c0103ecc>] dump_stack+0x19/0x1b
[322593.849573]  [<c023a3a3>] xfs_error_report+0x55/0x5b
[322593.849913]  [<c023a4c6>] xfs_corruption_error+0x3f/0x59
[322593.850258]  [<c02306f9>] xfs_da_do_buf+0x716/0x7c1
[322593.850598]  [<c0230808>] xfs_da_read_buf+0x2f/0x35
[322593.850936]  [<c02162bc>] xfs_attr_leaf_get+0x3c/0xa3
[322593.851266]  [<c0214d08>] xfs_attr_fetch+0xb0/0xfe
[322593.851593]  [<c020e56a>] xfs_acl_iaccess+0x59/0xc2
[322593.851917]  [<c02457af>] xfs_iaccess+0x14b/0x189
[322593.852268]  [<c025fb3b>] xfs_access+0x34/0x53
[322593.852638]  [<c026ceea>] xfs_vn_permission+0x12/0x17
[322593.853018]  [<c0175438>] permission+0xe4/0xe6
[322593.853204]  [<c0175449>] vfs_permission+0xf/0x11
[322593.853387]  [<c016d0cf>] sys_faccessat+0xa6/0x144
[322593.853562]  [<c016d18d>] sys_access+0x20/0x22
[322593.853734]  [<c0102e77>] syscall_call+0x7/0xb
[322593.853753]  [<00f4f410>] 0xf4f410
[322593.853759]  =======================

sda8 is /usr , I haven't played with mount --bind or namespaces
at /usr (AFAIK).

My sda hard disk is not broken and I have SMP kernel 2.6.19.2 + Pentium D.
I have got no other BUGs or xfs errors and I can access /usr and other
partitions OK.

-- 
Do what you love because life is too short for anything else.

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