Messages in this thread | | | Date | Thu, 7 Dec 2006 14:39:49 -0800 | From | Greg KH <> | Subject | Re: Disable INTx when enabling MSI |
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On Thu, Dec 07, 2006 at 05:31:33PM -0500, Daniel Barkalow wrote: > Some device manufacturers seem to think it's the OS's responsibility to > disable legacy interrupt delivery when using MSI. If the driver doesn't > handle it (which they generally don't), and the device isn't PCI-Express, > a steady stream of legacy interrupts will be delivered in addition to the > MSI ones, eventually leading to the legacy IRQ getting disabled, which > kills any device that shares it. > > Jeff proposed a patch in http://lkml.org/lkml/2006/11/21/332 when Linus > wanted to do it in the PCI layer, but nobody seems to have told the actual > PCI maintainer.
Care to take Jeff's proposed patch, verify that it works and forward it on to me?
thanks,
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