On Fri, 20 Nov 2009, Leyendecker, Robert wrote: > Here is what was in the log/messages - I assume this is what was > sent to kernel.org. Host B is reporting destination unreachables at > time of freeze. Hope this log is useful. I have the full log from > start of boot I can zip it up if you would like. At the bottom you > can see where it is rebooting due to power cycle. > Nov 20 21:12:00 localhost kernel: BUG: using smp_processor_id() in preemptible [00000000] code: smash/6801 > Nov 20 21:12:00 localhost kernel: caller is __schedule+0xe/0x7d4 > Nov 20 21:12:00 localhost kernel: Pid: 6801, comm: smash Not tainted 2.6.31.6-rt19 #1 > Nov 20 21:12:00 localhost kernel: Call Trace: > Nov 20 21:12:00 localhost kernel: [<c06dc3df>] ? printk+0xf/0x18 > Nov 20 21:12:00 localhost kernel: [<c05499a6>] debug_smp_processor_id+0xa6/0xbc > Nov 20 21:12:00 localhost kernel: [<c06dc689>] __schedule+0xe/0x7d4 > Nov 20 21:12:00 localhost kernel: [<c046621f>] ? audit_syscall_exit+0xfa/0x10f > Nov 20 21:12:00 localhost kernel: [<c040a955>] ? syscall_trace_leave+0xc8/0xef > Nov 20 21:12:00 localhost kernel: [<c040338a>] work_resched+0x5/0x19 Hmm, that comes from the low level code. We should have interrupts disabled here, but I have a hard time to figure out the call path in the ASM maze of entry_32.S. Still investigating. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html