linux-kernel - Re: SLUB BUG: check_slab called with interrupts enabled

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] [day] [month] [year] [list]

Date:	Thu, 16 Jun 2011 20:22:10 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Christoph Lameter <cl@...ux.com>
CC:	Linux kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kyle McMartin <kyle@...hat.com>
Subject: Re: SLUB BUG: check_slab called with interrupts enabled

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
--
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/