Re: Linux Kernel 5.2.8 (uvc or i915?)

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Here is the file you requested with the debug information

On 8/16/19, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote:
> On Thu, 15 Aug 2019, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:
>> On 8/15/19 6:15 PM, Nathaniel Russell wrote:
>>> I would really like help with the kernel error with my uvcvideo driver.
>>>
>>
>> Hi again.
>>
>> What makes you think that the problem is related to the uvcvideo driver?
>> Does some previous kernel version work correctly?  If so, what
>> version(s)?
>>
>>
>> Does this warning message only happen when the uvcvideo driver is being
>> loaded?
>> Can you suppress loading of the uvcvideo driver to find out?
>>
>> Most of the problems/errors/warnings that I see are related to the i915
>> driver:
>>
>> [   13.032341] timed out waiting for port C ready: got 0x20, expected
>> 0xe0
>> [   13.032872] WARNING: CPU: 1 PID: 239 at
>> drivers/gpu/drm/i915/intel_display.c:1597 vlv_wait_port_ready+0x99/0xe0
>> [i915]
>> [   13.033632] RIP: 0010:vlv_wait_port_ready+0x99/0xe0 [i915]
>>
>> although there are a few uvcvideo warnings:
>> [   13.039305] uvcvideo 1-5:1.0: Entity type for entity Extension 4 was
>> not initialized!
>> [   13.039318] uvcvideo 1-5:1.0: Entity type for entity Extension 3 was
>> not initialized!
>> [   13.039330] uvcvideo 1-5:1.0: Entity type for entity Processing 2 was
>> not initialized!
>> [   13.039339] uvcvideo 1-5:1.0: Entity type for entity Camera 1 was not
>> initialized!
>>
>>
>> Laurent, do you see any uvc issues here?  Any ideas/suggestions?
>>
>>
>> @intel-gfx:  any ideas about what is going on here with the i915 driver?
>
> Please file a bug over at [1], add drm.debug=14 module parameter, attach
> dmesg to the bug, all the way from boot to reproducing the issue.
>
>
> BR,
> Jani.
>
> [1]
> https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
>
>
>
>
>>
>>
>>
>> Original message to lkml:
>> https://lore.kernel.org/lkml/CAONH+Jm-O6=DQ+K2n5pNTNMg2Sq1KcVNFLuweVh6W82OPEFJoQ@xxxxxxxxxxxxxx/T/#u
>>
>> Previous message for 5.1.21 kernel:
>> https://lore.kernel.org/lkml/CAONH+JkTFujY9vEyNNuem+9rJ2qBKkf-PbKk9=DBSVEp6kW=yw@xxxxxxxxxxxxxx/
>>
>>
>> thanks.
>
> --
> Jani Nikula, Intel Open Source Graphics Center
>

Attachment: debug
Description: Binary data

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