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Date: Fri, 21 Mar 2008 20:58:13 +0100 From: Ingo Molnar <mingo@...e.hu> To: Valdis.Kletnieks@...edu Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org Subject: Re: 2.6.25-rc3-mm1 - BUG at system shutdown time * Valdis.Kletnieks@...edu <Valdis.Kletnieks@...edu> wrote: > git-bisect good ad42b55d36238ebb9fa4d7a538ef691a76397c46 > # good: [56b412e63863ea82a5720315076c7dbd1d9888cd] x86: change x86 to use generic find_next_bit > git-bisect good 56b412e63863ea82a5720315076c7dbd1d9888cd > # good: [42de918f25dc9a49fb9688e22c2a3f2b156cc1bf] x86: prevent unconditional writes to DebugCtl MSR > git-bisect good 42de918f25dc9a49fb9688e22c2a3f2b156cc1bf > > At this point, 'git bisect visualize' shows 9 commits left to bisect > through, and all are dated 03/10 or later. However, since 25-rc3-mm1 > had the problem, it had to be something in-tree as of 03/05. > > Is it possible that the problem code was in the git-x86 tree when > Andrew pulled for -rc3-mm1 and -rc5-mm1, but had been reverted by the > time I grabbed the tree, so the /x86/base' was in fact *good* by that > point? no, we frequently regenerate the x86.git tree so the dates have little relevance. If for any particular pull, x86/base is good and x86/latest is bad, then the bug is somewhere in those 200-300 patches inbetween. They are lined up linearly so should be perfectly bisectable. Ingo -- 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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