linux-kernel - Re: [ANNOUNCE] 3.14-rt1

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Date:	Thu, 15 May 2014 10:51:25 -0700
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
CC:	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, rostedt@...dmis.org,
	John Kacur <jkacur@...hat.com>
Subject: Re: [ANNOUNCE] 3.14-rt1

On 05/02/2014 04:37 AM, Sebastian Andrzej Siewior wrote:
> * Fernando Lopez-Lezcano | 2014-04-26 11:29:04 [-0700]:
>
>> Saw this a moment ago (3.14.1 + rt1, Fedora 19 laptop - I think I
>> have seen something similar in 3.12.x-r):
>
> Yes, you did: https://lkml.org/lkml/2014/3/7/163
> You did not test I've sent. Care to do so?

I did patch my kernel and (I think) I did not see the problem again. I 
did get some very occassional hangs that seemed to be video related but 
I think I could not see what had caused them.

>> Apr 26 11:16:11 localhost kernel: [   96.323248] ------------[ cut
>> here ]------------
>> Apr 26 11:16:11 localhost kernel: [   96.323262] WARNING: CPU: 0 PID:
>> 2051 at lib/list_debug.c:59 __list_del_entry+0xa1/0xd0()
>> Apr 26 11:16:11 localhost kernel: [   96.323264] list_del corruption.
>> prev->next should be ffff8802101196a0, but was 0000000000000001
>> Apr 26 11:16:11 localhost kernel: [   96.323266] Modules linked in:
>
> and please send backtrace information properly formatted. This is
> terrible hard to read.

Sorry about that, I will attach files in the future.

I re-patched 3.14.3-rt5 with a slightly tweaked version of you patch. 
Will see what happens and report back.
-- Fernando
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