[Bug 52467] New: Radeon HD6450 KMS garbled screen on boot.

[Bug 52467] New: Radeon HD6450 KMS garbled screen on boot.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=52467

             Bug #: 52467
           Summary: Radeon HD6450 KMS garbled screen on boot.
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: sowadski@miner.mst.edu


Just recently upgraded to a Radeon HD6450. Upon boot, as soon as fbcon takes
over, the screen gets corrupted. (note X is not started on boot). SSHing into
the box and starting and restarting X a couple time sometimes fixes the issue,
sometimes locks of the machine.

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #1 from sowadski@miner.mst.edu 2012-07-25 02:33:03 PDT ---
Created attachment 64638
  --> https://bugs.freedesktop.org/attachment.cgi?id=64638
DMESG after booting with screen corruption

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #2 from sowadski@miner.mst.edu 2012-07-25 02:33:44 PDT ---
Created attachment 64639
  --> https://bugs.freedesktop.org/attachment.cgi?id=64639
DMESG after restarting X a couple time to fix the issue

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #3 from sowadski@miner.mst.edu 2012-07-25 02:34:18 PDT ---
Created attachment 64640
  --> https://bugs.freedesktop.org/attachment.cgi?id=64640
Xorg log after issue is gone

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #4 from sowadski@miner.mst.edu 2012-07-25 02:43:09 PDT ---
Created attachment 64641
  --> https://bugs.freedesktop.org/attachment.cgi?id=64641
Picture of screen corruption

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #64640|text/x-log                  |text/plain
          mime type|                            |

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #5 from Alexandre Demers <alexandre.f.demers@gmail.com> 2012-07-25 16:31:41 PDT ---
I would consider having a look at bug 43655, it might be related. Could you try
workaround proposed in comment 8 (bug 43655#c8) or comment 13 (bug 43655#c13)?

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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--- Comment #6 from sowadski@miner.mst.edu 2012-07-25 20:24:04 PDT ---
I am not using grub2, so I do not believe that the workaround in BUG 43655 are
relevant. I do not have these lines in my grub.conf

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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--- Comment #7 from sowadski@miner.mst.edu 2012-07-25 20:39:10 PDT ---
Possible duplicate of BUG 42373?

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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sowadski@miner.mst.edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|XOrg CVS                    |unspecified

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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--- Comment #8 from Jerome Glisse <glisse@freedesktop.org> 2012-07-26 23:25:59 PDT ---
Created attachment 64758
  --> https://bugs.freedesktop.org/attachment.cgi?id=64758
Cleanup and fix mc programing

This patch should fix your issue

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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--- Comment #9 from sowadski@miner.mst.edu 2012-07-27 05:39:06 PDT ---
I do not see any improvement after applying the proposed patch

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #10 from Chris <bensenq@163.com> ---
Maybe I have the same problem. 

Tested on ubuntu 13.04 and 13.10， my new HD6450 just gives me the same
corrupted screen as yours. On windows, it works with no problem. 

(In reply to comment #4)
> Created attachment 64641 [details]
> Picture of screen corruption

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #11 from Chris <bensenq@163.com> ---
Created attachment 88477
  --> https://bugs.freedesktop.org/attachment.cgi?id=88477&action=edit
corrupted screen on ubuntu 13.04

corrupted screen on ubuntu 13.04

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

--- Comment #12 from Chris <bensenq@163.com> ---
I believe kernel-3.8 and 3.11 already have these patches, but it looks like
doesn't work.

(In reply to comment #5)
> I would consider having a look at bug 43655, it might be related. Could you
> try workaround proposed in comment 8 (bug 43655#c8) or comment 13 (bug
> 43655#c13)?

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[Bug 52467] Radeon HD6450 KMS garbled screen on boot.

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https://bugs.freedesktop.org/show_bug.cgi?id=52467

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #13 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/287.

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