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Date: Mon, 8 Oct 2007 09:36:18 +1000 From: David Chinner <dgc@....com> To: Laurent Caron <lcaron@...sa.com> Cc: drbd-user@...bit.com, linux-kernel@...r.kernel.org Subject: Re: Crash on 2.6.21.7 Vanilla + DRBD 0.7 On Thu, Oct 04, 2007 at 09:29:40AM +0200, Laurent Caron wrote: > > Hi, > > I did compile a fresh 2.6.21.7 kernel from kernel.org (no distro patch, ....), and latest svn (3062) 0.7.X drbd. > > After just 2 days of uptime, I did experience another crash. > > I wonder if it is an XFS related bug, a DRBD one, or related to XFS on top of DRBD. > > This bug seems to occur with intensive IO operations. > > What do you think about it ? This still looks like memory corruption of some sort:. I'd suspect DRBD at this point because nobody is repprting this against other block devices in 2.6.21.... > Oct 3 18:55:23 kernel: Oops: 0002 [#1] > Oct 3 18:55:23 kernel: SMP > Oct 3 18:55:23 kernel: CPU: 7 > Oct 3 18:55:23 kernel: EIP: 0060:[<c016540c>] Not tainted VLI > Oct 3 18:55:23 kernel: EFLAGS: 00010046 (2.6.21-dl380-g5-20071001 #1) > Oct 3 18:55:23 kernel: EIP is at cache_alloc_refill+0x11c/0x4f0 Can you turn on slab debug and poisoning and see where the kernel fails with that? e.g. set: CONFIG_DEBUG_SLAB=y CONFIG_DEBUG_SLAB_LEAK=y Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - 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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