2.6.37-rc2-git7 regression: wine fails to start

[Dave Airlie]

On Mon, Dec 13, 2010 at 7:12 PM, Jean Delvare <khali at linux-fr.org> wrote:
> Hi Alex,
>
> On Sun, 12 Dec 2010 23:33:42 -0500, Alex Deucher wrote:
>> 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:
>> >> 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
>
> Not, it wasn't.
>
>> > If not, open a bug and attach the dmesg with the error messages.
>>
>> Does the attached patch fix it?
>
> Yes it does, thanks!
>
> If you consider that user-space applications failing these tests are
> broken, maybe you could use printk_once() to let them know? Otherwise I
> suspect they will never get fixed. I think there's a way to get the
> name of the faulty process and include it in the message.

No its a problem with developing GPU drivers, you write some code in
userspace that seems correct, it gets rolled out, you later add a new
feature like tiling, find a bug in the kernel checker code, realise
the userspace code is wrong, and give up and become a farmer.

Dave.