Help with come smbd crashes

[Juan Pablo Lorier]

Hi,

This problem is away from my skills so I'm posting the kernel trace for
a smbd crash that happens from time to time and during some small file
copying. Could it be because a gfs2 problem?
Regrads,

Oct 22 17:50:04 nas kernel: INFO: task smbd:5994 blocked for more than
120 seconds.
Oct 22 17:50:04 nas kernel: "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 22 17:50:04 nas kernel: smbd          D 0000000000000000     0 
5994   4870 0x00000084
Oct 22 17:50:04 nas kernel: ffff88017c61b948 0000000000000086
ffff8801bb44b500 0000000000000000
Oct 22 17:50:04 nas kernel: 00000000ffffffff 00000000ffffffff
ffff88017c61b998 ffffffff8105b4d3
Oct 22 17:50:04 nas kernel: ffff880175b03058 ffff88017c61bfd8
000000000000fb88 ffff880175b03058
Oct 22 17:50:04 nas kernel: Call Trace:
Oct 22 17:50:04 nas kernel: [<ffffffff8105b4d3>] ?
perf_event_task_sched_out+0x33/0x80
Oct 22 17:50:04 nas kernel: [<ffffffffa0557570>] ?
gfs2_glock_holder_wait+0x0/0x20 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa055757e>]
gfs2_glock_holder_wait+0xe/0x20 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffff814fef1f>] __wait_on_bit+0x5f/0x90
Oct 22 17:50:04 nas kernel: [<ffffffffa0557570>] ?
gfs2_glock_holder_wait+0x0/0x20 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffff814fefc8>]
out_of_line_wait_on_bit+0x78/0x90
Oct 22 17:50:04 nas kernel: [<ffffffff81092190>] ?
wake_bit_function+0x0/0x50
Oct 22 17:50:04 nas kernel: [<ffffffffa05594f5>]
gfs2_glock_wait+0x45/0x90 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa055a8f7>]
gfs2_glock_nq+0x237/0x3d0 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa055c5c9>]
gfs2_inode_lookup+0x129/0x300 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa054ea4d>] ?
gfs2_dirent_search+0x16d/0x1a0 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa054efbe>]
gfs2_dir_search+0x5e/0x80 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa055c32e>] gfs2_lookupi+0xde/0x1e0
[gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa0559ca8>] ?
do_promote+0x208/0x330 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa055c39d>] ?
gfs2_lookupi+0x14d/0x1e0 [gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffffa0569c76>] gfs2_lookup+0x36/0xd0
[gfs2]
Oct 22 17:50:04 nas kernel: [<ffffffff81193ed7>] ? d_alloc+0x137/0x1b0
Oct 22 17:50:04 nas kernel: [<ffffffff81189935>] do_lookup+0x1a5/0x230
Oct 22 17:50:04 nas kernel: [<ffffffff81189ccd>]
__link_path_walk+0x20d/0x1030
Oct 22 17:50:04 nas kernel: [<ffffffff814a1d1a>] ? inet_recvmsg+0x5a/0x90
Oct 22 17:50:04 nas kernel: [<ffffffff8118ad7a>] path_walk+0x6a/0xe0
Oct 22 17:50:04 nas kernel: [<ffffffff8118af4b>] do_path_lookup+0x5b/0xa0
Oct 22 17:50:04 nas kernel: [<ffffffff8118bbb7>] user_path_at+0x57/0xa0
Oct 22 17:50:04 nas kernel: [<ffffffff81092150>] ?
autoremove_wake_function+0x0/0x40
Oct 22 17:50:04 nas kernel: [<ffffffff811807ec>] vfs_fstatat+0x3c/0x80
Oct 22 17:50:04 nas kernel: [<ffffffff8118095b>] vfs_stat+0x1b/0x20
Oct 22 17:50:04 nas kernel: [<ffffffff81180984>] sys_newstat+0x24/0x50
Oct 22 17:50:04 nas kernel: [<ffffffff810d6ce2>] ?
audit_syscall_entry+0x272/0x2a0
Oct 22 17:50:04 nas kernel: [<ffffffff8100b0f2>]
system_call_fastpath+0x16/0x1b