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Message-ID: <4DFA9E32.1080700@redhat.com> 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/
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