[Bug 29327] New: radeon interrupts don't fire with MSI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29327

           Summary: radeon interrupts don't fire with MSI
           Product: DRI
           Version: DRI CVS
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: tdroste at gmx.de


Created an attachment (id=37470)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37470)
dmesg without MSI

If I boot the current d-r-t kernel with MSI enabled the radeon module doesn't
fire any interrupts. Without the interrupts and vblank_mode in driconf set to 3
the screen stops refreshing.

This is always reproducible. To make it work again I have to boot with
pci=nomsi.

Software versions
kernel current d-r-t (2.6.35-rc2)
ddx, mesa, xserver git master

Hardware
Radeon X1950pro RV570 (AGP)

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