Public bug reported:
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) [0x560d53a2ee0c]
[ 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)
[0x7fb61fb524a0]
[ 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)
[0x7fb61fb52750]
[ 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)
[0x7fb61fb4bb00]
[ 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)
[0x7fb61fb4bba0]
[ 81555.579] (EE) 6: /usr/lib/xorg/Xorg (dixSaveScreens+0x1e6) [0x560d538fceb6]
[ 81555.580] (EE) 7: /usr/lib/xorg/Xorg (mieqProcessInputEvents+0x149)
[0x560d53a0e779]
[ 81555.580] (EE) 8: /usr/lib/xorg/Xorg (ProcessInputEvents+0x1d)
[0x560d5390b65d]
[ 81555.580] (EE) 9: /usr/lib/xorg/Xorg (SendErrorToClient+0x2c9)
[0x560d538cdeb9]
[ 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
GraphicsCard:
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.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2106:bd07/16/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8BWS:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
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
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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https://bugs.launchpad.net/bugs/1891745
Title:
Xorg crashed with SIGSEGV in dixSaveScreens()
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