All of lore.kernel.org
 help / color / mirror / Atom feed
From: Rik van Riel <riel@redhat.com>
To: Christoph Lameter <cl@linux.com>
Cc: Linux kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kyle McMartin <kyle@redhat.com>
Subject: Re: SLUB BUG: check_slab called with interrupts enabled
Date: Thu, 16 Jun 2011 20:22:10 -0400	[thread overview]
Message-ID: <4DFA9E32.1080700@redhat.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1106161056450.3738@router.home>

On 06/16/2011 11:57 AM, Christoph Lameter wrote:
> On Thu, 16 Jun 2011, Rik van Riel wrote:
>
>> After backing them out, I got 18 hours of uptime so far.
>>
>> This could just be dumb luck, or it could be some slub vs. kswapd
>> interaction.  Or maybe I simply am not triggering the original
>> bug any more because kswapd is now doing all the work, but may
>> still be able to trigger it under more memory pressure...
>
> Could be some memory issue or stack corruption. This is a machine with ECC
> ram right?

Yes it is, 12GB of ECC memory.

Running that much without ECC is probably a bad idea :)

>> Either way, since this could still be dumb luck, I'll let you
>> guys know if/when I see a next crash :)
>
> OK.

30 hours uptime already.

Just a little beyond the "dumb luck" threshold.

However, I suspect the bug may still be there and
the fact that kswapd is doing more work may simply
be hiding it.

-- 
All rights reversed

      reply	other threads:[~2011-06-17  0:22 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-15 14:56 SLUB BUG: check_slab called with interrupts enabled Rik van Riel
2011-06-15 15:03 ` Christoph Lameter
2011-06-15 15:16   ` Rik van Riel
2011-06-15 15:45     ` Christoph Lameter
2011-06-15 16:24       ` Rik van Riel
2011-06-16 12:34       ` Rik van Riel
2011-06-16 15:57         ` Christoph Lameter
2011-06-17  0:22           ` Rik van Riel [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4DFA9E32.1080700@redhat.com \
    --to=riel@redhat.com \
    --cc=cl@linux.com \
    --cc=kyle@redhat.com \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.