2013-09-27 17:37:24

by Woody Suwalski

[permalink] [raw]
Subject: Re: 3.12 regression: i915 warnings

Daniel Vetter wrote:
> On Thu, Sep 26, 2013 at 2:36 PM, Woody Suwalski <[email protected]> wrote:
>> Daniel, I have noticed these warnings on 3.12-rc1, did not go away on
>> 3.12-rc2.
>> I see it only on EeePC with i915,not on ThinkPad with Radeon.
>> It is a 32-bit kernel with overlayfs and TuxOnIce patches, so not perfectly
>> clean, however same config and patches on 3.11 do not show these issues.
>> No,sorry, did not have time to investigate further or bisect.If you have a
>> quick test in mind - I will try ;-)
>
> a) Please always cc: relevant mailing lists, not just your maintainer.
> b) Please retest with latest drm-intel-fixes from
> http://cgit.freedesktop.org/~danvet/drm-intel/
> c) If that doesn't help please boot with drm.debug=0xe, reproduce the
> issue once and attach the complete dmesg. Please make sure that it
> contains everything from boot-up to the WARN.
>
> Thanks, Daniel
For now I can do the last - a complete dmesg with drm.debug attached...
I have hoped that you were to reply "Yawn, an old issue..." 8-)

Woody


Attachments:
dmesg_3.12_i915.log (154.80 kB)

2013-09-27 19:03:20

by Daniel Vetter

[permalink] [raw]
Subject: Re: 3.12 regression: i915 warnings

On Fri, Sep 27, 2013 at 7:27 PM, Woody Suwalski <[email protected]> wrote:
> Daniel Vetter wrote:
>>
>> On Thu, Sep 26, 2013 at 2:36 PM, Woody Suwalski <[email protected]>
>> wrote:
>>>
>>> Daniel, I have noticed these warnings on 3.12-rc1, did not go away on
>>> 3.12-rc2.
>>> I see it only on EeePC with i915,not on ThinkPad with Radeon.
>>> It is a 32-bit kernel with overlayfs and TuxOnIce patches, so not
>>> perfectly
>>> clean, however same config and patches on 3.11 do not show these issues.
>>> No,sorry, did not have time to investigate further or bisect.If you have
>>> a
>>> quick test in mind - I will try ;-)
>>
>>
>> a) Please always cc: relevant mailing lists, not just your maintainer.
>> b) Please retest with latest drm-intel-fixes from
>> http://cgit.freedesktop.org/~danvet/drm-intel/
>> c) If that doesn't help please boot with drm.debug=0xe, reproduce the
>> issue once and attach the complete dmesg. Please make sure that it
>> contains everything from boot-up to the WARN.
>>
>> Thanks, Daniel
>
> For now I can do the last - a complete dmesg with drm.debug attached...
> I have hoped that you were to reply "Yawn, an old issue..." 8-)

Here we go: Mode flag mismatch in the tv encoder, should be fixed with

http://cgit.freedesktop.org/~danvet/drm-intel/commit/?id=1062b81598bc00e2f6620e6f3788f8f8df2f01e7

Pull request is already out and patch is cc: stable, so should show up
in a kernel near you soon.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

2013-09-28 20:33:23

by Woody Suwalski

[permalink] [raw]
Subject: Re: 3.12 regression: i915 warnings

Daniel Vetter wrote:
> On Fri, Sep 27, 2013 at 7:27 PM, Woody Suwalski <[email protected]> wrote:
>> Daniel Vetter wrote:
>>> On Thu, Sep 26, 2013 at 2:36 PM, Woody Suwalski <[email protected]>
>>> wrote:
>>>> Daniel, I have noticed these warnings on 3.12-rc1, did not go away on
>>>> 3.12-rc2.
>>>> I see it only on EeePC with i915,not on ThinkPad with Radeon.
>>>> It is a 32-bit kernel with overlayfs and TuxOnIce patches, so not
>>>> perfectly
>>>> clean, however same config and patches on 3.11 do not show these issues.
>>>> No,sorry, did not have time to investigate further or bisect.If you have
>>>> a
>>>> quick test in mind - I will try ;-)
>>>
>>> a) Please always cc: relevant mailing lists, not just your maintainer.
>>> b) Please retest with latest drm-intel-fixes from
>>> http://cgit.freedesktop.org/~danvet/drm-intel/
>>> c) If that doesn't help please boot with drm.debug=0xe, reproduce the
>>> issue once and attach the complete dmesg. Please make sure that it
>>> contains everything from boot-up to the WARN.
>>>
>>> Thanks, Daniel
>> For now I can do the last - a complete dmesg with drm.debug attached...
>> I have hoped that you were to reply "Yawn, an old issue..." 8-)
> Here we go: Mode flag mismatch in the tv encoder, should be fixed with
>
> http://cgit.freedesktop.org/~danvet/drm-intel/commit/?id=1062b81598bc00e2f6620e6f3788f8f8df2f01e7
>
> Pull request is already out and patch is cc: stable, so should show up
> in a kernel near you soon.
> -Daniel
Warnings are gone with this patch (and other 4 patches since 3.2.12-rc2
from drm tree).

Thanks, Woody

2013-09-28 20:40:43

by Daniel Vetter

[permalink] [raw]
Subject: Re: 3.12 regression: i915 warnings

On Sat, Sep 28, 2013 at 10:33 PM, Woody Suwalski <[email protected]> wrote:
> Warnings are gone with this patch (and other 4 patches since 3.2.12-rc2
> from drm tree).

Ok, fix should land in stable kernels soonish (depends upon how
quickly the pull request propagate). Thanks for reporting this issue
and testing the patch.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch