[Bug 107381] radeon VCE init error (-110) -- AMD/Intel Mars Hybrid Graphics

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=107381

butternut <dntspmme at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |dntspmme at gmail.com

--- Comment #1 from butternut <dntspmme at gmail.com> ---
Similar frequent 'radeon 0000:01:00.0: VCE init error (-110)' issues for me. 

Gnome shell lag gets quite bad at times. At one point, it froze for a fairly
long while, and restarted before I'd finished switching and logging into
another console.

I noticed libgjs.so.0.0.0 segfaulted during the lockup.

I found the following to be an interesting way to test IGPU versus the DGPU,
but it didn't trigger the bug
$ DRI_PRIME=0 vblank_mode=0 firefox http://oortonline.gl/#run
$ DRI_PRIME=1 vblank_mode=0 firefox http://oortonline.gl/#run

I was able to trigger more errors with radeon and saw this in dmesg

[68750.862570] [drm:r600_ib_test [radeon]] *ERROR* radeon: fence wait failed
(-35).
[68750.862583] [drm:radeon_ib_ring_tests [radeon]] *ERROR* radeon: failed
testing IB on GFX ring (-35).
[68750.862588] [drm:radeon_resume_kms [radeon]] *ERROR* ib ring test failed
(-35).

More info on my hardware

$  xrandr --listproviders
Providers: number : 3
Provider 0: id: 0x6e cap: 0x9, Source Output, Sink Offload crtcs: 4 outputs: 8
associated providers: 2 name:Intel
Provider 1: id: 0x42 cap: 0x6, Sink Output, Source Offload crtcs: 2 outputs: 1
associated providers: 2 name:radeon
Provider 2: id: 0x42 cap: 0x6, Sink Output, Source Offload crtcs: 2 outputs: 1
associated providers: 2 name:radeon

$ lspci -k
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor
PCI Express x16 Controller (rev 06)
    Kernel driver in use: pcieport
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor
Integrated Graphics Controller (rev 06)
    DeviceName:  Onboard IGD
    Subsystem: Dell Device 05be
    Kernel driver in use: i915
...
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Mars
XTX [Radeon HD 8790M] (rev ff)
    Kernel driver in use: radeon

$ sudo lshw -c display
  *-display UNCLAIMED     
       description: VGA compatible controller
       product: Mars XTX [Radeon HD 8790M]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci at 0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:e0000000-efffffff memory:f7c00000-f7c3ffff
ioport:e000(size=256) memory:f7c40000-f7c5ffff
  *-display
       description: VGA compatible controller
       product: 4th Gen Core Processor Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci at 0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:30 memory:f5800000-f5bfffff memory:d0000000-dfffffff
ioport:f000(size=64)

To see switcheroo options
# cat /sys/kernel/debug/vgaswitcheroo/switch
0:DIS: :DynOff:0000:01:00.0
1:IGD:+:Pwr:0000:00:02.0

dmesg files attached

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