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From: Thomas Gleixner <tglx@linutronix.de>
To: "Leyendecker, Robert" <Robert.Leyendecker@lsi.com>
Cc: "Nikita V. Youshchenko" <yoush@cs.msu.su>,
	rt-users <linux-rt-users@vger.kernel.org>
Subject: RE: help needed, 2.6.31.6-rt19 hang with network user app
Date: Fri, 27 Nov 2009 20:43:00 +0100 (CET)	[thread overview]
Message-ID: <alpine.LFD.2.00.0911272024280.24119@localhost.localdomain> (raw)
In-Reply-To: <8C8865ED624BB94F8FE50259E2B5C5B304593DAACF@palmail03.lsi.com>

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


  parent reply	other threads:[~2009-11-27 19:43 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-20 20:56 help needed, 2.6.31.6-rt19 hang with network user app Leyendecker, Robert
2009-11-20 21:44 ` Nikita V. Youshchenko
2009-11-21  3:56   ` Leyendecker, Robert
2009-11-21  8:25     ` Nikita V. Youshchenko
2009-11-21 16:20       ` Leyendecker, Robert
2009-11-23 15:34         ` Leyendecker, Robert
2009-11-24 15:47           ` Leyendecker, Robert
2009-11-27 19:43     ` Thomas Gleixner [this message]
2009-11-29  4:43       ` Leyendecker, Robert
2009-12-16  1:55         ` Leyendecker, Robert

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