This bug was fixed in the package linux-firmware - 1.187

---------------
linux-firmware (1.187) focal; urgency=medium

  * Sound doesn't work on Lenovo X1 Carbon 7th with 20.04 (LP: #1860697)
    - SAUCE: update sof firmwares to v1.4.2

  * Rebase against 
git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
    8eb0b281511d6455ca9151e52f694dc982193251 (LP: #1865130)
    - check_whence: python3/utf-8 support
    - Makefile: improve `make check` usefulness
    - mediatek: Remove in-tree symlinks
    - qca: Fix blueooth firmware name for QCA6174
    - mediatek: move MT8173 VPU FW to subfolder
    - linux-firmware: Update firmware file for Intel Bluetooth AX201
    - qca: Add firmware files for BT chip wcn3991.
    - nvidia: add TU116/117 signed firmware
    - drm/amdgpu: update to latest 19.50 firmware for raven
    - mediatek: update MT8173 VPU firmware to v1.1.4
    - rtl_nic: update firmware for RTL8153A
    - rtl_bt: Update RTL8822C BT FW to V0x0998_C2B4
    - linux-firmware: add firmware for MT7622
    - linux-firmware: add version 2 for MT7615E
    - amdgpu: update to latest navi10 firmware from 19.50
    - Revert "radeon: update oland rlc microcode from amdgpu"
    - amlogic: update video decoder firmwares
    - amdgpu: add renoir firmware for 19.50
    - amdgpu: update raven2 firmware for 19.50
    - nfp: update Agilio SmartNIC flower firmware to rev AOTC-2.12.A.13
    - qca: update bluetooth firmware for QCA6174
    - i915: add HuC firmware v7.0.12 for TGL
    - i915: Add DMC firmware v2.06 for TGL
    - rtl_bt: Add firmware and configuration files for RTL8822C BT UART chip
    - amdgpu: update vega10 firmware from 19.50
    - amdgpu: update vega12 firmware from 19.50
    - amdgpu: update vega20 firmware from 19.50
    - linux-firmware: Update firmware file for Intel Bluetooth 9260
    - linux-firmware: Update firmware file for Intel Bluetooth 9560
    - linux-firmware: Update firmware file for Intel Bluetooth AX201
    - linux-firmware: Update firmware file for Intel Bluetooth AX200

 -- Seth Forshee <seth.fors...@canonical.com>  Thu, 19 Mar 2020 11:37:49
-0500

** Changed in: linux-firmware (Ubuntu)
       Status: Confirmed => Fix Released

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https://bugs.launchpad.net/bugs/1865130

Title:
  [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, trying to
  reset the VCPU!!!

Status in linux-firmware package in Ubuntu:
  Fix Released

Bug description:
  === SRU Justification ===
  [Impact] 
  Firmware update of radeon/oland_rlc.bin breaks some radeon cards.

  [Fix]
  Revert the new firmware.

  [Regression Potential]
  Low. The old firmware has been used for a long time.

  === Original Bug Report ===

  when trying > DRI_PRIME=1 glxgears , the result in dmesg is as
  following

  [  +0.000091] radeon 0000:01:00.0: WB enabled
  [  +0.000002] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr 
0x0000000080000c00 and cpu addr 0x000000008ac2d26f
  [  +0.000001] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr 
0x0000000080000c04 and cpu addr 0x00000000a848de20
  [  +0.000001] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr 
0x0000000080000c08 and cpu addr 0x000000001e4494a9
  [  +0.000001] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr 
0x0000000080000c0c and cpu addr 0x0000000098a9748e
  [  +0.000001] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr 
0x0000000080000c10 and cpu addr 0x00000000b6ff734d
  [  +0.000212] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr 
0x0000000000075a18 and cpu addr 0x000000006b4da526
  [  +0.100566] radeon 0000:01:00.0: failed VCE resume (-110).
  [  +0.179115] [drm] ring test on 0 succeeded in 1 usecs
  [  +0.000004] [drm] ring test on 1 succeeded in 1 usecs
  [  +0.000004] [drm] ring test on 2 succeeded in 1 usecs
  [  +0.000006] [drm] ring test on 3 succeeded in 3 usecs
  [  +0.000004] [drm] ring test on 4 succeeded in 3 usecs
  [  +1.171892] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015643] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015509] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015572] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015514] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015405] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015442] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015416] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015388] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +1.015379] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
trying to reset the VCPU!!!
  [  +0.019924] [drm:uvd_v1_0_start [radeon]] *ERROR* UVD not responding, 
giving up!!!
  [  +0.000040] radeon 0000:01:00.0: failed initializing UVD (-1).
  [  +0.000060] [drm] ib test on ring 0 succeeded in 0 usecs
  [  +0.000051] [drm] ib test on ring 1 succeeded in 0 usecs
  [  +0.000032] [drm] ib test on ring 2 succeeded in 0 usecs
  [  +0.000052] [drm] ib test on ring 3 succeeded in 0 usecs
  [  +0.000029] [drm] ib test on ring 4 succeeded in 0 usecs

  Also it affects the boot time.

  the used OpenGL renderer is:
  "OpenGL renderer string: AMD OLAND (DRM 2.50.0, 5.3.0-40-generic, LLVM 9.0.0)"

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xorg 1:7.7+19ubuntu7.1
  ProcVersionSignature: Ubuntu 5.3.0-40.32~18.04.1-generic 5.3.18
  Uname: Linux 5.3.0-40-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.20.9-0ubuntu7.11
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: communitheme:ubuntu:GNOME
  Date: Fri Feb 28 11:50:50 2020
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  DkmsStatus:
   bcmwl, 6.30.223.271+bdcom, 5.3.0-28-generic, x86_64: installed
   bcmwl, 6.30.223.271+bdcom, 5.3.0-40-generic, x86_64: installed
   virtualbox, 5.2.34, 5.3.0-28-generic, x86_64: installed
   virtualbox, 5.2.34, 5.3.0-40-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation 4th Gen Core Processor Integrated Graphics Controller 
[8086:0416] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Lenovo 4th Gen Core Processor Integrated Graphics Controller 
[17aa:3801]
     Subsystem: Lenovo Mars [Radeon HD 8670A/8670M/8750M] [17aa:3801]
  InstallationDate: Installed on 2019-09-17 (163 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 
(20190210)
  MachineType: LENOVO 20238
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-40-generic 
root=UUID=385a4174-5cfe-49c9-b4c3-9e64a251d432 ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/23/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 79CN46WW(V3.05)
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: INVALID
  dmi.board.vendor: LENOVO
  dmi.board.version: 00000000Not Defined
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo G510
  dmi.modalias: 
dmi:bvnLENOVO:bvr79CN46WW(V3.05):bd12/23/2013:svnLENOVO:pn20238:pvrLenovoG510:rvnLENOVO:rnINVALID:rvr00000000NotDefined:cvnLENOVO:ct10:cvrLenovoG510:
  dmi.product.family: IDEAPAD
  dmi.product.name: 20238
  dmi.product.sku: LENOVO_MT_20238
  dmi.product.version: Lenovo G510
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.99-1ubuntu1~18.04.2
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.2.8-0ubuntu0~18.04.2
  version.libgl1-mesa-glx: libgl1-mesa-glx 19.2.8-0ubuntu0~18.04.2
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A

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