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    SubjectRe: [Regression] [Radeon] Stream command failures and render problems in Evergreen (Radeon HD 5600) in kernel 3.4
    On Fri, Jun 8, 2012 at 11:43 PM, Jerome Glisse <j.glisse@gmail.com> wrote:
    > On Fri, Jun 8, 2012 at 4:28 PM, Brian Gitonga Marete <marete@toshnix.com> wrote:
    >> On Fri, Jun 8, 2012 at 10:56 PM, Jerome Glisse <j.glisse@gmail.com> wrote:
    >>> On Fri, Jun 8, 2012 at 6:13 AM, Brian Gitonga Marete <marete@toshnix.com> wrote:
    >>>> On Fri, Jun 8, 2012 at 12:56 AM, Brian Gitonga Marete
    >>>> <marete@toshnix.com> wrote:
    >>>>> On Fri, Jun 8, 2012 at 12:44 AM, Brian Gitonga Marete
    >>>>> <marete@toshnix.com> wrote:
    >>>>>> On Thu, Jun 7, 2012 at 11:20 PM, Jerome Glisse <j.glisse@gmail.com> wrote:
    >>>>>>> On Thu, Jun 7, 2012 at 3:59 PM, Brian Gitonga Marete <marete@toshnix.com> wrote:
    >>>>>>>> On Thu, Jun 7, 2012 at 5:25 PM, Jerome Glisse <j.glisse@gmail.com> wrote:
    >>>>>>>>>
    >>>>>>>>> Update your libdrm to libdrm from git should fix your issue.
    >>>>>>>>
    >>>>>>>> Hello Jerome,
    >>>>>>>>
    >>>>>>>> Thanks for looking into this.
    >>>>>>>>
    >>>>>>>> I am afraid that even with the very latest libdrm (git 93a5117d), the
    >>>>>>>> rendering is still broken.
    >>>>>>>>
    >>>>>>>> What else should I try? I would revert the patch that git-bisect
    >>>>>>>> fingered (your patch, git 285484e2d, Linux mainline) but there are
    >>>>>>>> merge problems when I try to do that, which I have not yet looked
    >>>>>>>> into. Perhaps you can see if you can help me revert that patch so that
    >>>>>>>> we can see if the problem then goes away?
    >>>>>>>>
    >>>>>>> What happen if you upgrade to xf86-video-ati from git ?
    >>>>>>
    >>>>>> Hello Jerome,
    >>>>>>
    >>>>>> Once again, thanks a lot for your help.
    >>>>>>
    >>>>>> Some progress but also a setback: Upgrading to the latest
    >>>>>> xf86-video-ati git gets rid of the stream command failures - No more
    >>>>>> error messages in dmesg(8). But then, now, rendering is completely
    >>>>>> messed up. Previously, it was mostly the window boundaries that were
    >>>>>> blurred/messed but now also entire windows and text so that you can't
    >>>>>> read anything from the desktop. (For example, the previous render
    >>>>>> problems would still allow me to use gnome-terminal even though its
    >>>>>> frames were completely blurred. Now the text withing gnome-terminal is
    >>>>>> also blurred/smudged)
    >>>>>>
    >>>>>
    >>>>> I should add that in this case rendering is completely messed up in
    >>>>> _both_ 3.3.x and 3.4. But the stream command failures in 3.4 go away
    >>>>> upon upgrading to the latext xf86-video-ati git HEAD.
    >>>>
    >>>> Ok. All is fixed in kernel v3.4 if I additionally upgrade Mesa to the
    >>>> latest git. Jerome, many thanks for your help on this!
    >>>>
    >>>> So to summarize, the 3.4 breakage in Ubuntu 11.04 (and probably other
    >>>> distributions released around the same time) is fixed by:
    >>>>
    >>>> a) Upgrade libdrm to latest GIT as of this writing (93a5117d5)
    >>>> b) Upgrade xf86-video-ati to latest GIT as of this writing (5888371)
    >>>> c) Upgrade mesa to latest GIT as of this writing (529476b)
    >>>>
    >>>> Now kernel 3.4 works on my laptop.
    >>>>
    >>>> Thanks!
    >>>>
    >>>> BGM.
    >>>
    >>> Brian can you please test patch below on 6.14.0 ddx and old mesa (ie
    >>> revert to ubuntu mesa & ddx) and report if it fix your issue. Thanks
    >>>
    >>> http://people.freedesktop.org/~glisse/0001-drm-radeon-fix-tiling-and-command-stream-checking-on.patch
    >>>
    >>  OK. Will test and report back. Thanks!
    >>
    >> --
    >> Brian Gitonga Marete
    >> Toshnix Systems - http://toshnix.com
    >
    > I uploaded a v3 version same url, the v2 won't work for you. v3 should
    > work (at least according to my local testing with same gpu as you and
    > same use case)

    OK. I actually hadn't gotten around to testing yet. Will do so later
    today. About libdrm, should I test against git or the Ubuntu version?

    --
    Brian Gitonga Marete
    Toshnix Systems - http://toshnix.com
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