Comment 0 for bug 1870508

Crashed during a screen reader installation in install only mode

ProblemType: Crash
DistroRelease: Ubuntu 20.04
Package: ubiquity 20.04.9
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CasperVersion: 1.442
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 3 10:55:58 2020
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
ExecutableTimestamp: 1585729537
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed initrd=/casper/initrd quiet splash --- maybe-ubiquity
InterpreterPath: /usr/bin/python3.8
LiveMediaBuild: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity --greeter --only
ProcCwd: /
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=C.UTF-8
Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu1
PythonDetails: N/A
SegvAnalysis:
 Segfault happened at: 0x7fbd15f8f16a <g_type_check_instance_is_a+186>: mov %rax,-0x20(%rsp)
 PC (0x7fbd15f8f16a) ok
 source "%rax" ok
 destination "-0x20(%rsp)" (0x7ffe329d3ff0) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: ubiquity
StacktraceTop:
 g_type_check_instance_is_a () from /lib/x86_64-linux-gnu/libgobject-2.0.so.0
 atk_component_get_extents () from /lib/x86_64-linux-gnu/libatk-1.0.so.0
 ?? () from /lib/x86_64-linux-gnu/libgtk-3.so.0
 atk_component_get_extents () from /lib/x86_64-linux-gnu/libatk-1.0.so.0
 atk_component_get_extents () from /lib/x86_64-linux-gnu/libatk-1.0.so.0
Title: ubiquity crashed with SIGSEGV in g_type_check_instance_is_a()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

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