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Message-ID: <6278d2220907050303y5442cb05h6098a9c7a6beeb6e@mail.gmail.com> Date: Sun, 5 Jul 2009 11:03:40 +0100 From: Daniel J Blueman <daniel.blueman@...il.com> To: Joerg Roedel <joerg.roedel@....com> Cc: Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: [2.6.30-rc1] lockdep false positive in DMA debug API... On Mon, Jun 29, 2009 at 2:14 PM, Joerg Roedel<joerg.roedel@....com> wrote: > On Sun, Jun 28, 2009 at 12:05:17PM +0100, Daniel J Blueman wrote: >> With 2.6.30-rc1, I'm seeing the lockdep validator spinning it's wheels >> [1] (also already seen [2]) on the DMA debug interface, with the >> hashed locks. > > If you don't actually mean 2.6.3_1_-rc1 this is a known bug which was > fixed for 2.6.30-final. It's in 2.6.30 proper, but is now fixed in 2.6.31-rc and 2.6.30.1 by "dma-debug: Put all hash-chain locks into the same lock class": http://groups.google.com/group/linux.kernel/browse_thread/thread/73ae3a0fc04185c8# Thanks anyway! Daniel -- Daniel J Blueman -- 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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