[Bug 56663] New: 2D tiling commit renders screen black on kdm

[Bug 56663] New: 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

          Priority: medium
            Bug ID: 56663
          Assignee: dri-devel@lists.freedesktop.org
           Summary: 2D tiling commit renders screen black on kdm
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: stompdagger1@yahoo.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 69420
  --> https://bugs.freedesktop.org/attachment.cgi?id=69420&action=edit
seat 0 config

I'm running a multiseat setup with 2 radeon (ATI3650HD and ATI5450HD) and 1
intel cpus, I'm using libdrm, mesa and xf86-video-ati from git on gentoo.

I'm syncing with the repos every thursday, yesterday I've syned with the repos
and after boot today, all the screens connected to radeon are black.

in the sync last thursday everything worked ok, also when downgrading to
xf86-video-ati-6.14.6, the system works.

when observing the commit logs on xf86-video-ati of this timeframe, the only
commit is enabling 2D tiling.

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #1 from dagg <stompdagger1@yahoo.com> ---
Created attachment 69421
  --> https://bugs.freedesktop.org/attachment.cgi?id=69421&action=edit
seat 1 config

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[Bug 56663] 2D tiling commit renders screen black on kdm

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #2 from dagg <stompdagger1@yahoo.com> ---
xorg logs can be found at http://bpaste.net/show/55347/ (bad boot log) and at
http://bpaste.net/show/55346/ (good boot log)

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #3 from dagg <stompdagger1@yahoo.com> ---
(In reply to comment #0)
> Created attachment 69420 [details]
> seat 0 config
> 
> I'm running a multiseat setup with 2 radeon (ATI3650HD and ATI5450HD) and 1
> intel cpus, I'm using libdrm, mesa and xf86-video-ati from git on gentoo.
> 
> I'm syncing with the repos every thursday, yesterday I've syned with the
> repos and after boot today, all the screens connected to radeon are black.
> 
> in the sync last thursday everything worked ok, also when downgrading to
> xf86-video-ati-6.14.6, the system works.
> 
> when observing the commit logs on xf86-video-ati of this timeframe, the only
> commit is enabling 2D tiling.

thats gpus instead of cpus, my bad

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> ---
Are you sure it's the 2D tiling commit?  Does just reverting that commit fix
the issue?  I think it's probably another commit.  Does your tree have:
http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=39eac3104c2f08b4d78aab3f88fd104301eb4711
Can you try again with git master?

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[Bug 56663] 2D tiling commit renders screen black on kdm

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #5 from dagg <stompdagger1@yahoo.com> ---
(In reply to comment #4)
> Are you sure it's the 2D tiling commit?  Does just reverting that commit fix
> the issue?  I think it's probably another commit.  Does your tree have:
> http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/
> ?id=39eac3104c2f08b4d78aab3f88fd104301eb4711
> Can you try again with git master?

Hello Alex,

I'm not sure, correct me if I'm wrong but Zaphod is for running seperate x
sessions on the same card?
I'm using a card per session.

anyway, I'll revert the patch and try, will report soon.

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[Bug 56663] 2D tiling commit renders screen black on kdm

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #6 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #5)
> I'm not sure, correct me if I'm wrong but Zaphod is for running seperate x
> sessions on the same card?
> I'm using a card per session.
> 
> anyway, I'll revert the patch and try, will report soon.

You are correct, but I'm wondering if that patch is causing a problem in your
case.  You might try reverting that patch as well if the 2D tiling patch
doesn't help.

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

Alex Deucher <agd5f@yahoo.com> changed:

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

--- Comment #7 from Alex Deucher <agd5f@yahoo.com> ---


*** This bug has been marked as a duplicate of bug 56680 ***

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #8 from dagg <stompdagger1@yahoo.com> ---
(In reply to comment #6)
> (In reply to comment #5)
> > I'm not sure, correct me if I'm wrong but Zaphod is for running seperate x
> > sessions on the same card?
> > I'm using a card per session.
> > 
> > anyway, I'll revert the patch and try, will report soon.
> 
> You are correct, but I'm wondering if that patch is causing a problem in
> your case.  You might try reverting that patch as well if the 2D tiling
> patch doesn't help.

issue confirmed, it was indeed that Zaphod patch.

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[Bug 56663] 2D tiling commit renders screen black on kdm

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https://bugs.freedesktop.org/show_bug.cgi?id=56663

--- Comment #9 from Ilija Hadzic <ihadzic@research.bell-labs.com> ---
Just uploaded to https://bugs.freedesktop.org/show_bug.cgi?id=56680

Which should fix the Zaphod mode problem without breaking non-Zaphod mode.
Sorry about the goof.

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