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    SubjectRe: [patch] PCI: disable MSI on more ATI NorthBridges
    Daniel Barkalow wrote:
    > I have a device that supports MSI and INTX-disable, and, with MSI on (and
    > delivering interrupts successfully) also sends legacy interrupts (on
    > the IRQ that is no longer associated with the device) unless INTX is
    > disabled. Without the intx_disable(), the kernel disables the IRQ
    > entirely and breaks a random other device in my system.

    That sort of behavior is an example of why I wrote pci_intx() in the
    first place, and employed it by default throughout the ATA drivers
    (before it migrated into PCI core).


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      Last update: 2007-10-23 12:17    [W:0.035 / U:7.456 seconds]
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