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    SubjectRe: SMP+irq handling broken in current git?
    Date
    On Thursday 23 June 2005 12:42 pm, Jens Axboe wrote:
    > On Thu, Jun 23 2005, Jeff Garzik wrote:
    > > Jens Axboe wrote:
    > > >Hi,
    > > >
    > > >Something strange is going on with current git as of this morning (head
    > > >ee98689be1b054897ff17655008c3048fe88be94). On an old test box (dual p3
    > > >800MHz), using the same old config I always do on this box has very
    > > >broken interrupt handling:
    > >
    > > Does 2.6.12 work for you?
    > > 2.6.11?
    >
    > 2.6.11 works, 2.6.12 does not.

    Do you have any VIA devices? If so, you might try the attached.
    (Just for debugging; if the patch helps, I have no idea how to
    do it correctly.)
    Index: work/drivers/pci/quirks.c
    ===================================================================
    --- work.orig/drivers/pci/quirks.c 2005-06-21 13:43:29.000000000 -0600
    +++ work/drivers/pci/quirks.c 2005-06-23 10:40:55.000000000 -0600
    @@ -510,7 +510,7 @@
    pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
    }
    }
    -DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
    +DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, quirk_via_irq);

    /*
    * PIIX3 USB: We have to disable USB interrupts that are
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