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Date: Wed, 16 Apr 2014 09:10:49 +0900 From: Joonsoo Kim <iamjoonsoo.kim@....com> To: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp> Cc: ak@...ux.intel.com, penberg@....fi, linux-kernel@...r.kernel.org Subject: Re: [3.15-rc1 slab] Oops when reading /proc/slab_allocators On Thu, Apr 10, 2014 at 08:54:37PM +0900, Tetsuo Handa wrote: > Joonsoo Kim wrote: > > There was another report about this problem and I have already fixed > > it, although it wasn't reviewed and merged. See following link. > > > > https://lkml.org/lkml/2014/3/11/119 > > OK. That patch fixes this problem. > > Commit b1cb0982 changed the way of walking objects, didn't it? Then, > it could happen that slab leak detector code walking all objects > triggers an oops. Yeah, although it doesn't walks all objects, it walks non-active objects and it is problematic. This behaviour comes from my patches :) > > > In that time, I thought that this problem wasn't related to my patches, > > but your bisect report say that it is from my patches. I will dig into > > the problem more deeply as soon as possible and make proper fix. > > I see. Here is a minimal kernel config and test script for qemu on CentOS 6.5. > http://I-love.SAKURA.ne.jp/tmp/config-pre-3.15-rc1-min Thanks. I already sent another patch to fix this bug and cc'ed you. Thanks. -- 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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