[Bug 77244] New: UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

[Bug 77244] New: UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

          Priority: medium
            Bug ID: 77244
          Assignee: dri-devel@lists.freedesktop.org
           Summary: UVD microcode fails to load on HD 8970M (Neptune XT --
                    PITCAIRN)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: nmschulte@gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 97143
  --> https://bugs.freedesktop.org/attachment.cgi?id=97143&action=edit
Linux kernel log

I have a Clevo P150SM based laptop with an Intel HD 4600 iGPU and an AMD
Radeon HD 8970M dGPU.  I receive the following errors when the Radeon
DRI/DRM implementation attempts to initialize the card:

[   65.525470] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   66.537637] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   67.549797] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   68.561967] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   69.574142] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   70.586334] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   71.598533] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   72.610705] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   73.622877] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   74.635068] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to reset
the VCPU!!!
[   74.654938] [drm:uvd_v1_0_start] *ERROR* UVD not responding, giving up!!!
[   74.654955] [drm:si_startup] *ERROR* radeon: failed initializing UVD (-1).


This appears to happen on video mode changes or vtty changes, I'm not
quite sure really what triggers it other than initial loading.  When it
does occur, the system appears to hang for a short time (15 seconds or
so) while the dGPU is active, and then "comes back" after the dGPU is
disabled.  The Clevo P150SM has an LED showing the dGPU power state,
and debugfs/vgaswitcheroo seems to corroborate this.

I'm also experiencing issues with PRIME (and e.g. xserver seg-faults when
building from source to try new code), but this issue exists out of the box on
Debian Sid, and seems to persist even with newer Mesa and DRM.  I have a bug
report for the PRIME/hybrid graphics issue as well, and it may end up that
these are related: https://bugs.freedesktop.org/show_bug.cgi?id=77094

Finally, this bug looks similar to mine, though I am not messing with PRIME (at
least explicitly; no xrandr --setprovider* calls and no DRI_PRIME env. var. is
set): https://bugs.freedesktop.org/show_bug.cgi?id=75234

There is a downstream bug report here:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=743659

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #1 from Christian König <deathsimple@vodafone.de> ---
Are you sure you are using the right RLC firmware?

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #2 from Nathan Schulte <nmschulte@gmail.com> ---
Re: RLC firmware: I'm not sure, I'm using whatever Debian packages with Sid,
and I have to imagine they're doing a better job than I would, so yes?

How can I tell?

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #3 from Christian König <deathsimple@vodafone.de> ---
What is the output of "md5sum /lib/firmware/radeon/PITCAIRN_rlc.bin"?

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #4 from Nathan Schulte <nmschulte@gmail.com> ---
/lib/firmware/radeon/PITCAIRN_rlc.bin has md5 hash
3d2c150b3626419131bbc9a5864c7f1d

$ md5sum /lib/firmware/radeon/PITCAIRN_* /lib/firmware/radeon/TAHITI_uvd.bin 
a5f07f65a9ef260c0077021ecae43dc7  /lib/firmware/radeon/PITCAIRN_ce.bin
96b18c6f7c74ad4cecb04fca967ca433  /lib/firmware/radeon/PITCAIRN_mc.bin
5e899b3ff3e128453784b8fdacb947bb  /lib/firmware/radeon/PITCAIRN_me.bin
6a1f860df54aa4d462339322ba363092  /lib/firmware/radeon/PITCAIRN_pfp.bin
3d2c150b3626419131bbc9a5864c7f1d  /lib/firmware/radeon/PITCAIRN_rlc.bin
b4b17dd30f14ceab88446c20796767d5  /lib/firmware/radeon/PITCAIRN_smc.bin
201877fa59f2fe4d896d5e6b6c1d2e1c  /lib/firmware/radeon/TAHITI_uvd.bin

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #5 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #4)
> /lib/firmware/radeon/PITCAIRN_rlc.bin has md5 hash
> 3d2c150b3626419131bbc9a5864c7f1d

That's the right one, so it isn't an issue with the firmware.

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[Bug 77244] UVD microcode fails to load on HD 8970M (Neptune XT -- PITCAIRN)

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https://bugs.freedesktop.org/show_bug.cgi?id=77244

--- Comment #6 from Hohahiu <rakothedin@gmail.com> ---
(In reply to comment #0)
> Created attachment 97143 [details]
> Linux kernel log
> 
> I have a Clevo P150SM based laptop with an Intel HD 4600 iGPU and an AMD
> Radeon HD 8970M dGPU.  I receive the following errors when the Radeon
> DRI/DRM implementation attempts to initialize the card:
> 
> [   65.525470] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   66.537637] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   67.549797] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   68.561967] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   69.574142] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   70.586334] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   71.598533] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   72.610705] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   73.622877] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   74.635068] [drm:uvd_v1_0_start] *ERROR* UVD not responding, trying to
> reset the VCPU!!!
> [   74.654938] [drm:uvd_v1_0_start] *ERROR* UVD not responding, giving up!!!
> [   74.654955] [drm:si_startup] *ERROR* radeon: failed initializing UVD (-1).
> 
> 
> This appears to happen on video mode changes or vtty changes, I'm not
> quite sure really what triggers it other than initial loading.  When it
> does occur, the system appears to hang for a short time (15 seconds or
> so) while the dGPU is active, and then "comes back" after the dGPU is
> disabled.  The Clevo P150SM has an LED showing the dGPU power state,
> and debugfs/vgaswitcheroo seems to corroborate this.
> 
> I'm also experiencing issues with PRIME (and e.g. xserver seg-faults when
> building from source to try new code), but this issue exists out of the box
> on Debian Sid, and seems to persist even with newer Mesa and DRM.  I have a
> bug report for the PRIME/hybrid graphics issue as well, and it may end up
> that these are related: https://bugs.freedesktop.org/show_bug.cgi?id=77094
> 
> Finally, this bug looks similar to mine, though I am not messing with PRIME
> (at least explicitly; no xrandr --setprovider* calls and no DRI_PRIME env.
> var. is set): https://bugs.freedesktop.org/show_bug.cgi?id=75234


It is definitely the duplicate of this bug
https://bugs.freedesktop.org/show_bug.cgi?id=75234 .
These error messages appear even without using dGPU just after its
initialization. And firmware is also up-to-date.
> There is a downstream bug report here:
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=743659

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--- Comment #7 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #6)
> It is definitely the duplicate of this bug
> https://bugs.freedesktop.org/show_bug.cgi?id=75234 .

I'm not so sure.  On bug 75234, the UVD initialization only fails after a
runtime power management event, while in this case, it fails right from the
start.

For this bug, does disabling runtime power management help?  Try appending
radeon.runpm=0 to the kernel command line in grub.

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--- Comment #8 from Nathan Schulte <nmschulte@gmail.com> ---
Booting with radeon.runpm=0 produces slightly different results.  The card
doesn't power down ("dGPU LED" is on now), and I still have the UVD error
logging, but just once this time; switching vttys does not cause the logging
again.  As well, the "hang" is much reduced or completely gone when switching
vttys: switching from a "graphic" (not sure of the proper terms) vtty to any
console-vtty has a very small delay, but switching to a "graphic" vtty does
not.

As well, I tried render offload with radeon.runpm=0, and that still crashes X,
but there is no radeon/UVD/DRM logging from the kernel like the was prior.

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--- Comment #9 from Nathan Schulte <nmschulte@gmail.com> ---
Created attachment 97157
  --> https://bugs.freedesktop.org/attachment.cgi?id=97157&action=edit
Linux kernel log -- radeon.runpm=0

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--- Comment #10 from Nathan Schulte <nmschulte@gmail.com> ---
Is there anything else I can do to help get this resolved?

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Nathan Schulte <nmschulte@gmail.com> changed:

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

--- Comment #11 from Nathan Schulte <nmschulte@gmail.com> ---
This bug seems resolved for me in 3.14.4.  UVD initializes fine.  PRIME is
still having issues, though.

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