0006493: In case of a high i/o load, system kernel has crashed.

When heavy i/o load has happend, we met frequently a kernel crash<br /> and show following mesagges. <br /> <br /> Kernel panic - not syncing: Fatal exception in interrupt<br /> Pid: 2976, comm: ipoib Tainted:G D --------------------<br /> 2.6.32-358.6.1.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a><br /> Call Trace:<br /> [<ffffffff8150d478>] ? panic+0xa7/0x16f<br /> [<ffffffff815116b2>] ? oops_end+0xf2/0x100<br /> [<ffffffff8100f19b>] ? die+0x5b/0x90<br /> [<ffffffff81511182>] ? do_general_protection+0x152/0x160<br /> [<ffffffff81510955>] ? general_protection+0x25/0x30<br /> [<ffffffff81090ae0>] ? list_del+0x1b/0xa0<br /> [<ffffffffa0404619>] ? ipoib_cm_tx_reap+0xc9/0x510 [ib_ipoib]<br /> [<ffffffffa0404559>] ? ipoib_cm_tx_reap+0x0/0x510 [ib_ipoib]<br /> [<ffffffff81090ae0>] ? worker_thread+0x170/0x2a0<br /> [<ffffffff81096ca0>] ? autoremove_wake_function+0x0/0x40<br /> [<ffffffff81090970>] ? worker_thread+0x0/0x2a0<br /> [<ffffffff81096936>] ? kthread+0x96/0xa0<br /> [<ffffffff8100c0ca>] ? child_rip+0x96/0xa0<br /> [<ffffffff810968a0>] ? kthread+0x0/0xa0<br /> [<ffffffff8100c0c0>] ? child_rip+0x0/0x20