From: Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
To: Thomas Gleixner <tglx@linutronix.de>,
Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>
Cc: linux-rt-users <linux-rt-users@vger.kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
John Kacur <jkacur@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: 3.12.9-rt13: BUG: soft lockup
Date: Thu, 13 Feb 2014 14:56:09 -0800 [thread overview]
Message-ID: <52FD4D89.2000207@localhost> (raw)
In-Reply-To: <alpine.DEB.2.02.1402132324230.21991@ionos.tec.linutronix.de>
On 02/13/2014 02:25 PM, Thomas Gleixner wrote:
> On Wed, 12 Feb 2014, Fernando Lopez-Lezcano wrote:
>> [771508.546449] RIP: 0010:[<ffffffff810dc60a>] [<ffffffff810dc60a>]
>> smp_call_function_many+0x2ca/0x330
>
> Can you decode the exact location inside of smp_call_function_many via
> addr2line please ?
Hope this is useful (adding 0x2ce/0x330 as offsets does not make any
difference, don't know if it should)...
# grep smp_call_function /var/log/messages|tail -1
Feb 12 14:18:21 cmn27 kernel: [771840.224419] RIP:
0010:[<ffffffff810dc60e>] [<ffffffff810dc60e>]
smp_call_function_many+0x2ce/0x330
# addr2line -e
/usr/lib/debug/lib/modules/3.12.10-300.rt15.1.fc20.ccrma.x86_64+rt/vmlinux
ffffffff810dc60e
/usr/src/debug/kernel-3.12.fc20.ccrma/linux-3.12.10-300.rt15.1.fc20.ccrma.x86_64/kernel/rtmutex.c:1295
This is the only time I was able to catch some logs of the problem (if
it is the same). I had to revert to 3.10.27-rt25 for the time being and
that seems to be holding up well so far.
-- Fernando
next prev parent reply other threads:[~2014-02-13 22:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 22:17 3.12.9-rt13: BUG: soft lockup Fernando Lopez-Lezcano
2014-02-13 22:25 ` Thomas Gleixner
2014-02-13 22:56 ` Fernando Lopez-Lezcano [this message]
2014-02-13 23:55 ` Thomas Gleixner
2014-02-14 6:26 ` Fernando Lopez-Lezcano
2014-02-14 10:43 ` Thomas Gleixner
2014-02-14 18:54 ` Fernando Lopez-Lezcano
2014-02-19 9:50 ` Thomas Gleixner
2014-03-07 13:15 ` Sebastian Andrzej Siewior
2014-03-07 13:13 ` Sebastian Andrzej Siewior
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