Bug 246017

Hit this soft lockup while running revolver on the smoke cluster. This is the
latest RHEL5 kernel from CVS with all the latest patches from rhkernel-list as
of this morning.

Looks like kool died and came up. This lockup is shortly after mount.

Description of problem:
Jun 27 14:40:09 kool qarshd[5915]: Running cmdline: cman_tool services 
Jun 27 14:40:09 kool xinetd[5551]: EXIT: qarsh status=0 pid=5915 duration=0(sec)
Jun 27 14:40:10 kool xinetd[5551]: START: qarsh pid=5918 from=10.15.89.55
Jun 27 14:40:10 kool qarshd[5918]: Talking to peer 10.15.89.55:56381
Jun 27 14:40:10 kool qarshd[5918]: Running cmdline: mount 
Jun 27 14:40:10 kool xinetd[5551]: EXIT: qarsh status=0 pid=5918 duration=0(sec)
Jun 27 14:41:07 kool kernel: BUG: soft lockup detected on CPU#1!
Jun 27 14:41:07 kool kernel: 
Jun 27 14:41:07 kool kernel: Call Trace:
Jun 27 14:41:07 kool kernel:  <IRQ>  [<ffffffff800b4f8b>] softlockup_tick+0xdb/0xed
Jun 27 14:41:07 kool kernel:  [<ffffffff800930fa>] update_process_times+0x42/0x68
Jun 27 14:41:07 kool kernel:  [<ffffffff800746f8>]
smp_local_timer_interrupt+0x23/0x47
Jun 27 14:41:07 kool kernel:  [<ffffffff80074dba>]
smp_apic_timer_interrupt+0x41/0x47
Jun 27 14:41:07 kool kernel:  [<ffffffff8005bc8e>] apic_timer_interrupt+0x66/0x6c
Jun 27 14:41:07 kool kernel:  <EOI>  [<ffffffff80062a18>] _spin_lock+0x3/0xa
Jun 27 14:41:07 kool kernel:  [<ffffffff8843b566>]
:gfs2:databuf_lo_before_commit+0x337/0x594
Jun 27 14:41:07 kool kernel:  [<ffffffff8009b291>] keventd_create_kthread+0x0/0x61
Jun 27 14:41:07 kool kernel:  [<ffffffff88439c78>] :gfs2:gfs2_log_flush+0x12b/0x2da
Jun 27 14:41:07 kool kernel:  [<ffffffff8842e29f>] :gfs2:gfs2_logd+0xa2/0x148
Jun 27 14:41:07 kool kernel:  [<ffffffff8842e1fd>] :gfs2:gfs2_logd+0x0/0x148
Jun 27 14:41:07 kool kernel:  [<ffffffff8003213e>] kthread+0xfe/0x132
Jun 27 14:41:07 kool kernel:  [<ffffffff8005bfb1>] child_rip+0xa/0x11
Jun 27 14:41:07 kool kernel:  [<ffffffff8009b291>] keventd_create_kthread+0x0/0x61
Jun 27 14:41:07 kool kernel:  [<ffffffff80032040>] kthread+0x0/0x132
Jun 27 14:41:07 kool kernel:  [<ffffffff8005bfa7>] child_rip+0x0/0x11
Jun 27 14:41:07 kool kernel: