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    SubjectRe: 2.6.13.1 locks machine after some time, 2.6.12.5 work fine
    From
    Hi,

    I'll apply the patch right away and will report back.

    Best,
    Norbert

    On Tue, Sep 13, 2005 at 07:25:11AM -0700, Linus Torvalds wrote:
    >
    >
    > On Mon, 12 Sep 2005, Norbert Kiesel wrote:
    > >
    > > diff is appended. Regarding the -rc3 and friends, currently I can't as
    > > I jumped directly from 12.5 to 13. This is my desktop at work, so I
    > > try to keep it somewhat stable. However, if you have a guess which
    > > versions to try, I can give it a spin. It takes some time though to
    > > test, as the lockup normally only happens after 1 hour or so (although
    > > I could propably speed this up by doing lots of disk IO).
    >
    > No need. The numbers made it clear: this is the same bug that hit the
    > hpt366 driver:
    >
    > 0000:00:10.0 RAID bus controller: Silicon Image, Inc. SiI 0649
    > Ultra ATA/100 PCI to ATA Host Controller (rev 01)
    > ...
    > 00: 95 10 49 06 07 00 90 02 01 00 04 01 00 40 00 00
    > 10: 01 b8 00 00 01 bc 00 00 01 c0 00 00 01 c4 00 00
    > 20: 01 c8 00 00 00 00 00 00 00 00 00 00 95 10 49 06
    > -30: 00 00 00 00 60 00 00 00 00 00 00 00 0c 01 02 04
    > +30: 01 00 00 00 60 00 00 00 00 00 00 00 0c 01 02 04
    >
    > and the exact same cause too.
    >
    > I wonder who the _hell_ has been sprinkling these _byte_ writes to the ROM
    > enable logic around?
    >
    > I bet this will fix it..
    >
    > Linus
    > ---
    > diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
    > --- a/drivers/ide/pci/cmd64x.c
    > +++ b/drivers/ide/pci/cmd64x.c
    > @@ -608,7 +608,7 @@ static unsigned int __devinit init_chips
    >
    > #ifdef __i386__
    > if (dev->resource[PCI_ROM_RESOURCE].start) {
    > - pci_write_config_byte(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
    > + pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
    > printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
    > }
    > #endif
    >
    -
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