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Message-ID: <20071022145321.195d929b@bree.surriel.com> Date: Mon, 22 Oct 2007 14:53:21 -0400 From: Rik van Riel <riel@...hat.com> To: Miklos Szeredi <miklos@...redi.hu> Cc: akpm@...ux-foundation.org, mingo@...e.hu, jdike@...toit.com, linux-kernel@...r.kernel.org Subject: Re: futex strangeness in 2.6.23-mm1/UML On Mon, 22 Oct 2007 19:29:07 +0200 Miklos Szeredi <miklos@...redi.hu> wrote: > I'm getting a process stuck in pthread_rwlock_wrlock(), even though it > looks like the lock is not held by anybody. > > I think the last -mm was OK. Any ideas? > > If not, I'll go searching for the offending patch. I wonder if that's the same bug that's breaking autofs for me. Oct 22 14:39:01 kenny automount[2299]: cache_readlock: mapent cache rwlock lock failed Oct 22 14:39:01 kenny automount[2299]: unexpected pthreads error: 11 at 65 in cache.c I'm bisecting 2.6.23-mm1 today to find the problem patch, with some luck I'll have it this afternoon. With the series applied up to whitespace-fixes-task-exit-handling.patch things work. It breaks before kswapd-should-only-wait-on-io-if-there-is-io.patch That leaves only about 60-80 patches to look at :) -- "Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it." - Brian W. Kernighan - 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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