[nouveau] Xorg crashed with SIGABRT in disk_cache_has_key() from can_skip_compile.part() from _mesa_glsl_compile_shader()

[Nathanael C. Higley]

I'm not exactly sure what triggered this bug however, I was installing wire, session-desktop and a few minutes beforehand I uninstalled wire.

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: xserver-xorg-core 2:1.20.7-2ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 5 15:29:29 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus: virtualbox, 6.1.4, 5.4.0-21-generic, x86_64: installed
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: No
GraphicsCard:
 NVIDIA Corporation GT216M [NVS 5100M] [10de:0a2c] (rev a2) (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company GT216M [NVS 5100M] [103c:1521]
InstallationDate: Installed on 2020-04-05 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
MachineType: Hewlett-Packard HP EliteBook 8540p
PccardctlStatus:
 Socket 0:
   3.3V
  16-bit
  PC Card
   Subdevice 0 (function 0) bound to driver "pata_pcmcia"
ProcCmdline: /usr/lib/xorg/Xorg vt2 -displayfd 3 -auth /run/user/1000/gdm/Xauthority -background none -noreset -keeptty -verbose 3
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic root=UUID=07ef73e3-6724-4de6-af31-bbb7c81944c9 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: xorg-server
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 ?? () from /usr/lib/xorg/modules/libglamoregl.so
Title: Xorg crashed with SIGABRT
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
dmi.bios.date: 11/11/2015
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68CVD Ver. F.60
dmi.board.name: 1521
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 32.36
dmi.chassis.asset.tag: NG00162275
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68CVDVer.F.60:bd11/11/2015:svnHewlett-Packard:pnHPEliteBook8540p:pvr:rvnHewlett-Packard:rn1521:rvrKBCVersion32.36:cvnHewlett-Packard:ct10:cvr:
dmi.product.family: 103C_5336AN
dmi.product.name: HP EliteBook 8540p
dmi.product.sku: NU486AV
dmi.sys.vendor: Hewlett-Packard
separator:

version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
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+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

[Apport retracing service (apport)]

StacktraceTop:
 disk_cache_has_key () from /tmp/apport_sandbox_ggqn783m/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 can_skip_compile.part () from /tmp/apport_sandbox_ggqn783m/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 _mesa_glsl_compile_shader () from /tmp/apport_sandbox_ggqn783m/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 _mesa_compile_shader () from /tmp/apport_sandbox_ggqn783m/usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
 glamor_compile_glsl_prog (type=type@entry=35633, source=<optimized out>) at ../../../../glamor/glamor_core.c:58