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SubjectRe: I915 driver locks up
On 12/19/2010 04:46 PM, Stephen Clark wrote:
> On 12/19/2010 06:02 AM, Chris Wilson wrote:
>> On Sat, 18 Dec 2010 18:32:49 -0500, Stephen
>> Clark<sclark46@earthlink.net> wrote:
>>> I had been using mesa-7.9.
>>> I loaded mesa-7.10 similar results. There is no
>>>
>>> /sys/kernel/debug/dri/0/i915_error_state
>>>
>>> In fact there is nothing in the /sys/kernel/debug directory. Do I have
>>> to enable
>>> something.
>> You need to "mount -tdebugfs debug /sys/kernel/debug".
>>
>>> With the later kernel - things are worse X becomes totally useless
>>> it looks
>>> like my lcd panel lost horizontal sync. With the 2.6.25 kernel X is
>>> still usable
>>> this makes me think at least some of the problem is kernel related.
>> 2.6.25 to present marks the transition between UMS and KMS, i.e. moving
>> of the userspace modesetting code into the kernel. And that should not
>> have regressed. Can you please, grab an intel_reg_dumper of the working
>> setup and the lost-sync setup, and include a drm.debug=0xe dmesg
>> (i.e. add
>> drm.debug=0xe to your boot commandline)?
>>
>>> With 2.6.37-rc6 and mesa 7.10 with hardware acceleration turned off
>>> in wine-
>>>
>>> Dec 18 18:01:50 joker4 yum[5244]: Updated:
>>> mesa-libGL-7.10-0.17.fc15.x86_64
>>> Dec 18 18:01:52 joker4 yum[5244]: Updated:
>>> mesa-libGL-7.10-0.17.fc15.i686
>>> Dec 18 18:01:54 joker4 yum[5244]: Updated:
>>> mesa-libGLU-7.10-0.17.fc15.x86_64
>>> Dec 18 18:02:02 joker4 yum[5244]: Updated:
>>> mesa-dri-drivers-7.10-0.17.fc15.x86_6
>>> 4
>>> Dec 18 18:02:03 joker4 yum[5244]: Updated:
>>> mesa-libGLU-7.10-0.17.fc15.i686
>>> Dec 18 18:02:11 joker4 yum[5244]: Updated:
>>> mesa-dri-drivers-7.10-0.17.fc15.i686
>> Good, those drivers are recent enough that I should be able to use the
>> error state to find the broken code.
>> -Chris
>>
> Hi Chris,
>
> I emailed the information you requested, it was quite large, and
> haven't seen it show up on
> LKML yet. Don't know if it is being blocked by the ML or not.
>
> Regards,
> Steve
>
Hi Chris,

Just wondering if you received what you needed from me. I still have the
info
for the 2.6.37rc6 kernel that I haven't sent awaiting some kind of
acknowledgment that
you received the initial info I send for the 2.6.35 kernel.

Steve

--

"They that give up essential liberty to obtain temporary safety,
deserve neither liberty nor safety." (Ben Franklin)

"The course of history shows that as a government grows, liberty
decreases." (Thomas Jefferson)





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