linux-kernel - Re: 3.12.9-rt13: BUG: soft lockup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.02.1402140053000.21991@ionos.tec.linutronix.de>
Date:	Fri, 14 Feb 2014 00:55:27 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
cc:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	John Kacur <jkacur@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 3.12.9-rt13: BUG: soft lockup

On Thu, 13 Feb 2014, Fernando Lopez-Lezcano wrote:

> 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
> 

I can't see how the kernel decoder thinks it's smp_call_function_many
but addr2line looks at rtmutex.c

That doesn't make any sense at all. Version mismatch?

Thanks,

	tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/