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Message-ID: <20130213193411.GA15928@redhat.com> Date: Wed, 13 Feb 2013 14:34:11 -0500 From: Dave Jones <davej@...hat.com> To: Hugh Dickins <hughd@...gle.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: Debugging Thinkpad T430s occasional suspend failure. On Tue, Feb 12, 2013 at 09:37:27PM -0800, Hugh Dickins wrote: > I think for the moment I'm going to hope that under the surface our > problems are related, and when your bisection points a finger, look > around to see if it suggests anything for my case. Lazy, but... I have the worst luck with bisects. Halfway through I started seeing a *different* suspend failure, which led me down the wrong path ultimately leading to 59a93c27c which was a red herring even though it even talks about suspend (I had my hopes high when testing that one). Started over, and ended up in a merge commit containing just a single patch to slab (210ed9defff). Reverting that on top of 3.7-rc8 doesn't fix the problem. Backing up one level of bisect, the other alternative path was 5b3900cd40, which also didn't help when reverting. My test was a loop of 100 suspend/resume cycles before calling something 'good'. The 'bad' cases all failed within 10 cycles (usually 2-3). Dave -- 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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