2.6.37-rc2-git7 regression: wine fails to start

[Alex Deucher]

On Sun, Dec 12, 2010 at 7:31 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Fri, Dec 10, 2010 at 7:01 AM, Jean Delvare <khali at linux-fr.org> wrote:
>> Hi Alex, David,
>>
>> On Sun, 21 Nov 2010 11:12:32 -0500, Alex Deucher wrote:
>>> On Sun, Nov 21, 2010 at 9:38 AM, Jean Delvare <khali at linux-fr.org> wrote:
>>> > Running 2.6.37-rc2-git7 on x86_64, wine fails to start. I get the
>>> > following error in the kernel logs:
>>> >
>>> > radeon 0000:07:00.0: r600_cs_track_validate_cb offset[0] 0 2095360 4096 too big
>>> > radeon 0000:07:00.0: r600_packet3_check:1331 invalid cmd stream 484
>>> > [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
>>> >
>>> > Hardware is:
>>> > 07:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4350]
>>> > 07:00.1 Audio device: ATI Technologies Inc RV710/730
>>> >
>>> > X.org version is 7.5.
>>> >
>>> > With kernel 2.6.36, wine works just fine on the same system. Does it
>>> > ring a bell to anyone? Any clue how to investigate this bug? If not, I
>>> > can start a bisection.
>>> >
>>> > I can also provide any additional data you need for investigation.
>>>
>>> It's probably this patch:
>>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=f30df2fad0c901e74ac9a52a488a54c69a373a41
>>>
>>> Which exposes a bug in the 3D driver in certain cases.  For some
>>> reason we get a cb height of 8192 or greater in some cases in the 3D
>>> driver.  I haven't had time to look into why.  You might try r600g for
>>> comparison.
>>
>> Any progress on this? Linus' latest kernel (2.6.37-rc5-git3) still has
>> the problem. And this is a regression, so I don't think you can just
>> ignore it.
>>
>> Is there a bug opened to track this bug already? I couldn't find one on
>> bugzilla.kernel.org, but maybe I missed it. If there is none, I'll
>> create one.
>
> Was it not fixed by this commit?
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a235e4c9302509ac5956bbbffa22eb5ed9fcdc54
> If not, open a bug and attach the dmesg with the error messages.
>

Does the attached patch fix it?

Alex

> Alex
>
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