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Message-ID: <alpine.DEB.2.00.1006210927310.4513@router.home> Date: Mon, 21 Jun 2010 09:31:10 -0500 (CDT) From: Christoph Lameter <cl@...ux-foundation.org> To: Manfred Spraul <manfred@...orfullife.com> cc: linux-kernel@...r.kernel.org, Julia Lawall <julia@...u.dk>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: 2.6.35-rc3 deadlocks on semaphore operations On Sat, 19 Jun 2010, Manfred Spraul wrote: > Hello Christoph, > > On 06/18/2010 04:56 PM, Christoph Lameter wrote: > > One important fact that I forgot to mention: This is on a dual quad core > > dell box (8 hardware threads) with CONCURRENCY_LEVEL set to 9. > > > > - Which version of make do you use? That would be one suspect that might use > semop(). $ make --version GNU Make 3.81 Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. This program built for x86_64-pc-linux-gnu > - If I run make -j5 bzImage, then no semaphore arrays are used. > Could you try to figure out which executable is doing the 'semop()' call? Looks like this was ld > Or: what's the output of ps xawwwww_ Need to do another run with a broken kernel for this. -- 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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