*** This bug is a duplicate of bug 1861609 ***

Exact reproduction conditions of bug #1891636 and bug #1891745 unknown.
At least OOPS ID 6647d368-df04-11ea-af91-fa163ee63de6 uploaded to 
errors.ubuntu.com now, marking these two as duplicates for now.

** This bug has been marked a duplicate of bug 1891636
   After recent updates Xorg crashes whenever entering Display Settings

** Information type changed from Public to Private

** This bug is no longer a duplicate of bug 1891636
   After recent updates Xorg crashes whenever entering Display Settings
** This bug has been marked a duplicate of bug 1861609
   [focal] Xorg crashed with assertion failure (usually in a VM) at 
[privates.h:121: dixGetPrivateAddr: Assertion `key->initialized' failed] and 
call stack comes from DRIMoveBuffersHelper

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Touch seeded packages, which is subscribed to xorg in Ubuntu.

  Xorg crashed with SIGSEGV in dixSaveScreens()

Status in xorg package in Ubuntu:

Bug description:
  This instance happened after lockscreen, as such may be suspend-resume
  related. On the other hand at least 0 and 10 parts on backtrace appear
  similar to bug #1891636

  While this appears to be a recent regression, DpkgLog.txt doesn't
  contain xorg references. Could it be related to kernel upgrades then,
  or just happened to slip by undetected after earlier upgrades?

   [ 81555.574] (EE) Backtrace:
   [ 81555.577] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x13c) 
   [ 81555.578] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 
(funlockfile+0x60) [0x7fb62037b41f]
   [ 81555.578] (EE) unw_get_proc_name failed: no unwind info found [-10]
   [ 81555.578] (EE) 2: /usr/lib/xorg/modules/drivers/amdgpu_drv.so (?+0x0) 
   [ 81555.578] (EE) unw_get_proc_name failed: no unwind info found [-10]
   [ 81555.579] (EE) 3: /usr/lib/xorg/modules/drivers/amdgpu_drv.so (?+0x0) 
   [ 81555.579] (EE) unw_get_proc_name failed: no unwind info found [-10]
   [ 81555.579] (EE) 4: /usr/lib/xorg/modules/drivers/amdgpu_drv.so (?+0x0) 
   [ 81555.579] (EE) unw_get_proc_name failed: no unwind info found [-10]
   [ 81555.579] (EE) 5: /usr/lib/xorg/modules/drivers/amdgpu_drv.so (?+0x0) 
   [ 81555.579] (EE) 6: /usr/lib/xorg/Xorg (dixSaveScreens+0x1e6) 
   [ 81555.580] (EE) 7: /usr/lib/xorg/Xorg (mieqProcessInputEvents+0x149) 
   [ 81555.580] (EE) 8: /usr/lib/xorg/Xorg (ProcessInputEvents+0x1d) 
   [ 81555.580] (EE) 9: /usr/lib/xorg/Xorg (SendErrorToClient+0x2c9) 
   [ 81555.580] (EE) 10: /usr/lib/xorg/Xorg (InitFonts+0x3b4) [0x560d538d1fd4]
   [ 81555.580] (EE) 11: /lib/x86_64-linux-gnu/libc.so.6 
(__libc_start_main+0xf3) [0x7fb6201990b3]
   [ 81555.581] (EE) 12: /usr/lib/xorg/Xorg (_start+0x2e) [0x560d538bba3e]
   [ 81555.581] (EE) 
   [ 81555.581] (EE) Segmentation fault at address 0x0
   [ 81555.581] (EE) 
   Fatal server error:
   [ 81555.581] (EE) Caught signal 11 (Segmentation fault). Server aborting
   [ 81555.581] (EE) 
   [ 81555.581] (EE) 

  P.S. Don't currently have a remote debugging setup since all the other
  hosts nearby are headless.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44
  Uname: Linux 5.4.0-42-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.6
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Aug 15 13:17:57 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, including running git bisection searches
   Advanced Micro Devices, Inc. [AMD/ATI] Navi 14 [Radeon RX 5500/5500M / Pro 
5500M] [1002:7340] (rev c5) (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Navi 14 [Radeon RX 
5500/5500M / Pro 5500M] [1462:3822]
  InstallationDate: Installed on 2020-04-10 (126 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
  MachineType: System manufacturer System Product Name
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic 
root=UUID=2b9e2f7d-99b7-45f9-aabc-5ca23e66a7a2 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/16/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2106
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: P8B WS
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.product.family: To be filled by O.E.M.
  dmi.product.name: System Product Name
  dmi.product.sku: SKU
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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