Messages in this thread | | | Date | Wed, 27 Sep 2006 17:01:49 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] Chipset addition for the VIA Southbridge workaround / quirk |
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On Wed, 27 Sep 2006 23:05:25 +0200 Michiel de Boer <x@rebelhomicide.demon.nl> wrote:
> Hi, i'm (maybe unfortunately ;) the owner of a socket 370 motherboard > by DFI. It's type number is CA63-EC REV A+. According to the manual > this is the exact chipset naming: > VIA 82C693A/82C686B AGPset > > Also built in is an Creative Labs SB Live! audio device. When i was > still using windows 98, i experienced corruptions when burning DVD's, > and after lengthy investigation i discovered i had a buggy southbridge.[1] > Apparently the presence of the SB Live! audio device might even accelerate > the problem, although it does not actually disappear when this PCI card > is removed. When i moved to Linux, i decided that writing a kernel patch > based on the fixup programs i found for windows 98 would be appropriate. > > However, i was pleased to discover that fixup code was already present in > drivers/pci/quirks.c . The only thing i had to do then was add my mother- > board identifier to the bottom of the code. The patch has been tried and > tested since 2.6.8, and since then it has evolved since it turned out it > contained unneccessary code patches. It has also been tested without > problems on the user base of the distro Kanotix[2], of which i'm a > co-developer. It activates as it should when it should, fixes the corrup- > tions i had when burning DVD's, and improves system behavior. > It's a very small and simple patch, but it would spare me from having > to patch the kernel source myself it it were to be included. > > Regards, Michiel de Boer > > [1] > http://www.theregister.co.uk/2001/04/12/datacorruption_bug_hits_via_chipsets/ > http://www.realworldtech.com/page.cfm?ArticleID=RWT051401003409 > http://www.tecchannel.de/ueberblick/archiv/401770/ > [2] http://www.kanotix.com > > Credit: Stefan Lippers-Hollmann <s.l-h@gmx.de>, for showing me the way > around in the kernel sources. > Signed-off-by: Michiel Lieuwe de Boer <x@rebelhomicide.demon.nl> > > diff -Nru linux-2.6.18.orig/drivers/pci/quirks.c > linux-2.6.18/drivers/pci/quirks.c > --- linux-2.6.18.orig/drivers/pci/quirks.c 2006-09-20 > 05:42:06.000000000 +0200 > +++ linux-2.6.18/drivers/pci/quirks.c 2006-09-27 22:43:30.000000000 +0200 > @@ -172,6 +172,7 @@ > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, > PCI_DEVICE_ID_VIA_8363_0, quirk_vialatency ); > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, > PCI_DEVICE_ID_VIA_8371_1, quirk_vialatency ); > DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, > PCI_DEVICE_ID_VIA_8361, quirk_vialatency ); > +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, > PCI_DEVICE_ID_VIA_82C691_0, quirk_vialatency ); >
Could you please test 2.6.18-mm1, or simply ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18/2.6.18-mm1/broken-out/via-irq-quirk-behaviour-change.patch
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