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Date: Thu, 4 Jun 2009 08:00:22 +0200 From: Torsten Kaiser <just.for.lkml@...glemail.com> To: Kasper Sandberg <lkml@...anurb.dk> Cc: Robert Hancock <hancockrwd@...il.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, SCSI development list <linux-scsi@...r.kernel.org> Subject: Re: sata_sil24 0000:04:00.0: DMA-API: device driver frees DMA sg list with different entry count [map count=13] [unmap count=10] On Wed, Jun 3, 2009 at 10:21 PM, Kasper Sandberg <lkml@...anurb.dk> wrote: > On Wed, 2009-06-03 at 21:30 +0200, Torsten Kaiser wrote: >> On Wed, May 27, 2009 at 1:40 AM, Robert Hancock <hancockrwd@...il.com> wrote: >> > Torsten Kaiser wrote: >> >> >> >> On upgrading to 2.6.30-rc1 I enable the DMA-Debugging option >> >> CONFIG_DMA_API_DEBUG=y >> >> Since then I get the following or similar errors on each boot: >> > >> > Please retest with a newer -rc, this patch likely fixes it: >> > >> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5825627c9463581fd9e70f8285685889ae5bb9bb >> > >> >> Still happens with 2.6.30-rc8 (see trace at the end of the email) >> > <snip> > > Does this actually give you any problems? should I be scared to give .30 > a test? No, other then the warning from this debug code I do not have any problems. As I'm using Gentoo unstable this is triggered most often when I install an upgrade to some package. I would expect, if this really would write wrong data to the harddisk, I would have already destroyed my system. So while I think there is a problem somewhere that should be fixed, I'm still using the .30 kernel for my system. Torsten -- 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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