[Bug 75234] New: UVD initialization fails while dGPU is powered on by DRI_PRIME

[Bug 75234] New: UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

          Priority: medium
            Bug ID: 75234
          Assignee: dri-devel@lists.freedesktop.org
           Summary: UVD initialization fails while dGPU is powered on by
                    DRI_PRIME
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: rakothedin@gmail.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 94396
  --> https://bugs.freedesktop.org/attachment.cgi?id=94396&action=edit
dmesg

The discrete graphics in my laptop (Intel HD 4000 + Radeon 7750M) doesn't
initialize UVD successfully when it is powered on by DRI_PRIME.
Interestingly when the laptop is booted UVD is initialized.

My kernel is 3.14-rc3 from OpenSUSE head repository.
Userspace is from git.

Attached file is my dmesg. The errors at time 859.063821 correspond to the case
when I ran glxgears with DRI_PRIME.

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #1 from Hohahiu <rakothedin@gmail.com> ---
Created attachment 94397
  --> https://bugs.freedesktop.org/attachment.cgi?id=94397&action=edit
Xorg.0.log

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 94435
  --> https://bugs.freedesktop.org/attachment.cgi?id=94435&action=edit
debugging output

Can you attach your dmesg output with this patch applied?

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #3 from Hohahiu <rakothedin@gmail.com> ---
Created attachment 94552
  --> https://bugs.freedesktop.org/attachment.cgi?id=94552&action=edit
dmesg after patch

Here you are.

PS Am I the only who sees the warning related to invalid certificate?

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #4 from Hohahiu <rakothedin@gmail.com> ---
(In reply to comment #2)
> Created attachment 94435 [details] [review]
> debugging output
> 
> Can you attach your dmesg output with this patch applied?

Alex, is there anything else I can help in fixing this bug?

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #5 from Hohahiu <rakothedin@gmail.com> ---
Created attachment 95277
  --> https://bugs.freedesktop.org/attachment.cgi?id=95277&action=edit
dmesg

Kernel 3.14-rc5. The bug is still there. See attached dmesg.

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

--- Comment #6 from Hohahiu <rakothedin@gmail.com> ---
The bug is still present in Kernel 3.14.0.

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[Bug 75234] UVD initialization fails while dGPU is powered on by DRI_PRIME

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https://bugs.freedesktop.org/show_bug.cgi?id=75234

Hohahiu <rakothedin@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #7 from Hohahiu <rakothedin@gmail.com> ---
Somehow this bug is fixed for me in 3.15.0 kernel provided by OpenSUSE Head
repository.
Since nobody else suffered from it I suspect it could be distro specific. So I
mark it as "resolved worksforme" for now.

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