At Wed, 23 May 2007 15:00:30 -0400 (EDT),
Andrew Gallatin wrote:
>
>
> Rui Paulo writes:
> > At Wed, 23 May 2007 15:31:01 +0000 (UTC),
> > Andrew Gallatin wrote:
> > >
> > > gallatin 2007-05-23 15:31:01 UTC
> > >
> > > FreeBSD src repository
> > >
> > > Modified files:
> > > sys/dev/pci pci_pci.c
> > > Log:
> > > Fix a typo in pcib_alloc_msi{x} which resulted in the
> > > device's, not the bridge's, softc to be used to check the
> > > PCIB_DISABLE_MSI flag. This resulted in randomly allowing
> > > or denying MSI interrupts based on whatever value the driver
> > > happened to store at sizeof(device_t) bytes into its softc.
> > >
> > > I noticed this when I stopped getting MSI interrupts
> > > after slighly re-arranging mxge's softc yesterday.
> >
> > Wow, I'll have to try this out on msk(4)..
>
> To be clear, pci_alloc_msi() was failing, so MSI was not
> used at all. It didn't affect the actual generation
> of interrupts once MSI is enabled..
Oh, ok. Thanks for the explanation.
--
Rui Paulo
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