[Bug 58660] New: Radeon HD 6950 completely broken.

[Bug 58660] New: Radeon HD 6950 completely broken.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

          Priority: medium
            Bug ID: 58660
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Radeon HD 6950 completely broken.
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: v10lator@myway.de
          Hardware: Other
            Status: NEW
           Version: DRI CVS
         Component: DRM/Radeon
           Product: DRI

I own a Sapphire Radeon HD 6950. This card has a dual-bios where one of them
has unlocked shaders (Radeon HD 6970). This is not a modded BIOS, it's made by
Sapphire and fully supported by them.
Now my problem is that with the Radeon HD 6950 BIOS (locked shaders) the GPU
seems to hang as soon as compiz starts. With the unlocked BIOS it starts just
fine.

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[Bug 58660] Radeon HD 6950 completely broken.

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #1 from Thomas Rohloff <v10lator@myway.de> ---
Forget to say: This is on newest mesa from git with kernel 3.8-rc1 (+ this
patch:
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=drm-fixes-3.8&id=668bbc81baf0f34df832d8aca5c7d5e19a493c68
)

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Radeon HD 6950 completely   |Radeon HD 6950 completely
                   |broken.                     |broken with sapphire
                   |                            |unlocked vbios

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Please attach the dmesg output when booting with both video bioses.  Also,
please attach both video bioses.  To dump the video bios:
(as root)
(use lspci to get the bus id)
cd /sys/bus/pci/devices/<pci bus id>
echo 1 > rom
cat rom > /tmp/vbios.rom
echo 0 > rom

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #3 from Thomas Rohloff <v10lator@myway.de> ---
The thing is that I can't access dmesg after the crash. Not even SysMagRQ
works.

See my dmesg with the other BIOS here:
https://bugs.freedesktop.org/attachment.cgi?id=72006

I have the BIOSes still lying around somewhere. Let me search real quick.

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #4 from Thomas Rohloff <v10lator@myway.de> ---
Created attachment 72008
  --> https://bugs.freedesktop.org/attachment.cgi?id=72008&action=edit
BIOS 0 (locked shaders)

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #5 from Thomas Rohloff <v10lator@myway.de> ---
Created attachment 72009
  --> https://bugs.freedesktop.org/attachment.cgi?id=72009&action=edit
BIOS 1 (unlocked shaders)

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #6 from Thomas Rohloff <v10lator@myway.de> ---
Whoever changed the report title: It is broken on the locked BIOS, not on the
unlocked.

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[Bug 58660] Radeon HD 6950 completely broken with sapphire unlocked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #7 from Thomas Rohloff <v10lator@myway.de> ---
Bisected mesa.

This is a mesa bug caused by
http://cgit.freedesktop.org/mesa/mesa/commit/?id=6532eb17baff6e61b427f29e076883f8941ae664

Can anybody move this to the right place or do I have to re-create the report
(and if so: Where) ?

I also think this is a duplication of
https://bugs.freedesktop.org/show_bug.cgi?id=58667 - The crashes just occur way
more often (right after starting compiz) with the locked BIOS.

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[Bug 58660] Radeon HD 6950 completely broken with sapphire locked vbios

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Radeon HD 6950 completely   |Radeon HD 6950 completely
                   |broken with sapphire        |broken with sapphire locked
                   |unlocked vbios              |vbios

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[Bug 58660] CAYMAN broken with HyperZ on

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

Marek Olšák <maraeo@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Radeon HD 6950 completely   |CAYMAN broken with HyperZ
                   |broken with sapphire locked |on
                   |vbios                       |
            Product|DRI                         |Mesa
            Version|DRI CVS                     |unspecified
          Component|DRM/Radeon                  |Drivers/Gallium/r600

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[Bug 58660] CAYMAN broken with HyperZ on

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |75112

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[Bug 58660] CAYMAN broken with HyperZ on

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

--- Comment #8 from Marek Olšák <maraeo@gmail.com> ---
Is this still an issue with current Mesa git?

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[Bug 58660] CAYMAN broken with HyperZ on

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https://bugs.freedesktop.org/show_bug.cgi?id=58660

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #9 from Marek Olšák <maraeo@gmail.com> ---
I'm closing this 2-years-old bug.

The report says that a patch which adds HTILE support causes a crash when
compiz starts, but compiz doesn't even use a zbuffer, so we are not really
using Hyper-Z here. I believe this is just a bug caused by incorrect register
programming in the initial HTILE patch and must have been fixed since then.

Feel free to reopen if you see this crash with current Mesa git.

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