https://bugzilla.kernel.org/show_bug.cgi?id=27492
--- Comment #13 from Jochen Buchholz <bookwood@xxxxxxxxxxx> 2011-02-07
18:28:59 ---
gdb seems working now
root@ittest01:/usr/src/linux # gdb vmlinux /proc/kcore
GNU gdb (Gentoo 7.2 p1) 7.2
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Reading symbols from /usr/src/linux-2.6.37/vmlinux...done.
[New <main task>]
Core was generated by `root=/dev/ram0 real_root=/dev/vda3 doscsi
elevator=deadline vmalloc=256M'.
#0 0x00000000 in ?? ()
(gdb) l *(xfs_da_do_buf+0x4c8)
No symbol "xfs_da_do_buf" in current context.
(gdb)
I think this is ok, because it stopped at an other place:
xfs_buf_get: failed to map pages
xfs_buf_get: failed to map pages
alloc_vmap_area: 5378 callbacks suppressed
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
vmap allocation for size 1048576 failed: use vmalloc=<size> to increase size.
xfs_buf_get: failed to map pages
Filesystem "dm-8": XFS internal error xfs_trans_cancel at line 1815 of file
fs/xfs/xfs_trans.c. Caller 0xf4d09a01
Pid: 14904, comm: emerge Not tainted 2.6.37 #1
Call Trace:
[<f4cedbba>] xfs_error_report+0x2c/0x2e [xfs]
[<f4d05d07>] xfs_trans_cancel+0x4b/0xc9 [xfs]
[<f4d09a01>] ? xfs_create+0x48c/0x508 [xfs]
[<f4d09a01>] xfs_create+0x48c/0x508 [xfs]
[<f4d12bb6>] xfs_vn_mknod+0xc8/0x153 [xfs]
[<f4d12c5a>] xfs_vn_create+0xa/0xc [xfs]
[<c01c05d4>] vfs_create+0x85/0xcf
[<c01c0c7b>] do_last+0x28a/0x50b
[<c01c2469>] do_filp_open+0x1a7/0x47b
[<c0417914>] ? do_page_fault+0x0/0x3b2
[<c01b6b6e>] do_sys_open+0x44/0xbf
[<c01b6c2b>] sys_open+0x1e/0x26
[<c0102858>] sysenter_do_call+0x12/0x28
xfs_force_shutdown(dm-8,0x8) called from line 1816 of file fs/xfs/xfs_trans.c.
Return address = 0xf4d05d1d
Filesystem "dm-8": Corruption of in-memory data detected. Shutting down
filesystem: dm-8
Please umount the filesystem, and rectify the problem(s)
Filesystem "dm-8": xfs_log_force: error 5 returned.
Filesystem "dm-8": xfs_log_force: error 5 returned.
Should I restart since a message like:
EIP is at xfs_da_do_buf+0x4c8/0x61f [xfs]
or send me an gdb command
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