[Bug 27063] New: Nouveau does DMA to/from unexpected address

[Bug 27063] New: Nouveau does DMA to/from unexpected address

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=27063

           Summary: Nouveau does DMA to/from unexpected address
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


In systems with an IOMMU, we get DMA faults when the graphics card attempts to
DMA to/from physical address zero.

Stray DMA considered harmful.

https://bugzilla.redhat.com/show_bug.cgi?id=561267


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[Bug 27063] Nouveau does DMA to/from unexpected address

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=27063

--- Comment #1 from Paul Crook <paul_crook-ez+xnXmNv0XR7s880joybQ@public.gmane.org> 2010-04-06 08:26:19 PDT ---
If its of any help I have a 64 bit system (based on Fedora 12) with exactly
this problem using git versions of the kernel (2.6.34-rc2) and nouveau from
freedesktop (obtained today).

While the system is idle I'm willing to try stuff out.

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[Bug 27063] Nouveau does DMA to/from unexpected address

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=27063

Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #2 from Lucas Stach <dev-8ppwABl0HbeELgA04lAiVw@public.gmane.org> 2011-02-08 08:43:21 PST ---
As mentioned in the redhat bugzilla this bug is fixed.

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