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    SubjectRe: [patch 0/6] PAT fixes/cleanup following the pfnmap changes
    Ingo Molnar wrote:
    > * Kevin Winchester <> wrote:
    >> wrote:
    >>> Individual patch header has descriptions.
    >> $ git am Patches
    >> Applying: x86 PAT: change track_pfn_vma_new to take pgprot_t pointer param
    >> error: patch failed: mm/memory.c:1604
    >> error: mm/memory.c: patch does not apply
    >> Patch failed at 0001.
    >> When you have resolved this problem run "git am --resolved".
    >> If you would prefer to skip this patch, instead run "git am --skip".
    >> To restore the original branch and stop patching run "git am --abort".
    >> These do not apply for me to latest Linus git, which is the tree where I
    >> experienced the problem. Is there some way to fuzz them to get them to
    >> apply?
    > Could you check tip/master:
    > do you still get the messages? [ Btw., did you also experience any 3D
    > performance problems that are solved via Venki's fixes in tip/master? ]

    I just checked tip/master, and I do still get the messages:

    [ 66.895807] X:5022 map pfn expected mapping type write-back for d0000000-d0101000, got write-combining
    [ 66.895873] X:5022 freeing invalid memtype d0000000-d0101000

    As for 3D performance issues, glxgears without any other applications running gives:

    457 frames in 5.0 seconds = 91.312 FPS
    475 frames in 5.0 seconds = 94.887 FPS
    478 frames in 5.0 seconds = 95.411 FPS

    I can't say for sure, but I expect those numbers should be much higher for a 3D accelerated radeon card (even if it is a little old):

    01:00.0 VGA compatible controller: ATI Technologies Inc M9+ 5C61 [Radeon Mobility 9200 (AGP)] (rev 01)

    glxinfo gives:

    direct rendering: Yes

    Anything else I can try?

    Kevin Winchester

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