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    SubjectRe: MSI broken in libata?
    On 12/25/2009 06:22 PM, Torsten Kaiser wrote:
    > As reported in the new MSI support
    > for sata_sil24 does not work for me.
    > This is still the same with 2.6.33-rc2.
    > Why I think, this might be a problem within libata:
    > * other drivers can use MSI successful on my system (tg3, radeon, hda-intel)
    > * happens both in sata_sil24 and sata_nv
    > * the count in /proc/interrupts increases for the MSIs assigned to
    > sata_sil24/sata_nv, so interrupt delivery seems to work
    > * only writing seems to fail

    How does it fail? Timeouts? Also, ahci enables MSI by default if
    available and works fine on many configurations so I don't think
    anything in libata core layer is broken regarding MSI (there just
    isn't anything which can break).



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