From: Justin Piszcz <jpiszcz@lucidpixels.com>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Alan Piszcz <ap@solarrain.com>, Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: 2.6.39: crash w/threadirqs option enabled
Date: Fri, 10 Jun 2011 04:17:31 -0400 (EDT) [thread overview]
Message-ID: <alpine.DEB.2.02.1106100414550.32450@p34.internal.lan> (raw)
In-Reply-To: <alpine.LFD.2.02.1105201819310.3078@ionos>
On Fri, 20 May 2011, Thomas Gleixner wrote:
> On Fri, 20 May 2011, Justin Piszcz wrote:
>> On Fri, 20 May 2011, Thomas Gleixner wrote:
>>
>>> On Fri, 20 May 2011, Justin Piszcz wrote:
>>>> On Fri, 20 May 2011, Thomas Gleixner wrote:
>>>>> Does it crash right away or just when doing something particular?
>>>> It crashed at 2100, this is when I run a few I/O intensive processes:
>>>> - backup (dump ext4 filesystem -> to a separate raid device)
>>>> - backup (dump ext4 on remote host -> to separate raid device)
>>>> - backup (dump xfs on remote host -> to separate raid device)
>>>>
>>>> This looks like it is what caused it to crash.
>>>
>>> That narrows it down somewhat, but does not give us a clue at all :(
>>>
>>>>> Is the box fully dead after the crash ?
>>>> The host was online and I went away for awhile, when I came back the
>>>> system
>>>> had rebooted on its own (as I lost all of my X windows/etc).
>>>
>>> Hmm. Did you have panic_timeout set ?
>>
>> Hi,
>>
>> No, I do not use panic_timeout or any type of watchdog that would reboot
>> the system upon a lockup/crash.
>
> Yuck, that means it ran into a triple fault. Nasty. I have no idea how
> to debug that at the moment and I was not able to reproduce on one of
> my test systems. Maybe I need to try harder.
>
> Thanks,
>
> tglx
>
>
>
>
Hi,
Crashed again and it rebooted too:
reboot system boot 2.6.39 Thu Jun 9 23:58 - 04:05 (04:06)
user1 pts/0 X Thu Jun 9 19:25 - 19:30 (00:04)
user1 pts/10 X Thu Jun 9 18:23 - crash (05:35)
Any thoughts on what could be causing this?
Should I go back to 2.6.38?
Justin.
next prev parent reply other threads:[~2011-06-10 8:17 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 8:39 Justin Piszcz
2011-05-20 12:48 ` Thomas Gleixner
2011-05-20 12:51 ` Justin Piszcz
2011-05-20 13:30 ` Thomas Gleixner
2011-05-20 13:49 ` Justin Piszcz
2011-05-20 15:17 ` Thomas Gleixner
2011-05-20 16:10 ` Justin Piszcz
2011-05-20 16:22 ` Thomas Gleixner
2011-05-21 0:00 ` Uwaysi Bin Kareem
2011-06-10 8:17 ` Justin Piszcz [this message]
2011-06-10 8:24 ` Justin Piszcz
2011-06-10 12:52 ` Thomas Gleixner
2011-06-10 13:07 ` Justin Piszcz
2011-06-10 13:10 ` Thomas Gleixner
2011-06-12 12:04 ` Justin Piszcz
2012-09-16 20:34 ` Low os-jitter operating system Uwaysi Bin Kareem
2011-05-26 16:30 ` 2.6.39: crash w/threadirqs option enabled Justin Piszcz
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