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Date: Tue, 17 Jan 2012 17:11:12 -0800 From: Tejun Heo <tj@...nel.org> To: Shaohua Li <shaohua.li@...el.com> Cc: Vivek Goyal <vgoyal@...hat.com>, linux kernel mailing list <linux-kernel@...r.kernel.org>, Jens Axboe <axboe@...nel.dk> Subject: Re: Kernel crash in icq_free_icq_rcu On Wed, Jan 18, 2012 at 09:05:26AM +0800, Shaohua Li wrote: > > Vivek is seeing the problem while switching elevators. Are you too? > > Or is it during normal operation? > same here. I had some problems when I debug my ioscheduler, but > eventually found even switching cfq and noop can trigger oops. Hmmm... maybe quiescing isn't working as expected and kmem cache is being destroyed with live icq's. I'll try to reproduce it. Thanks. -- tejun -- 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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