You have been subscribed to a public bug by Rik Mills (rikmills):
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubiquity 21.04.11
ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
Uname: Linux 5.11.0-11-generic x86_64
ApportVersion: 2.20.11-0ubuntu60
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 1.460
CurrentDesktop: KDE
Date: Sun Mar 21 11:53:44 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed
maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210321)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
Since approximately 16/03/2021 ubiquity from maybe-ubiquity (try install
screen) and from is crash on launch or shortly after.
An example /var/log/installer/debug log from a session where both
crashes were triggered is below.
**** /var/log/installer/debug ****
Ubiquity 21.04.11
TEXT <small>If more than one person will use this computer, you can set up
multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
TEXT <small>If more than one person will use this computer, you can set up
multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
QSocketNotifier: Invalid socket 17 and type 'Read', disabling...
QSocketNotifier: Invalid socket 17 and type 'Write', disabling...
QSocketNotifier: Invalid socket 17 and type 'Exception', disabling...
Your console font configuration will be updated the next time your system
boots. If you want to update it now, run 'setupcon' from a virtual console.
update-initramfs is disabled since running on read-only media
debconf: DbDriver "passwords" warning: could not open
/var/cache/debconf/passwords.dat: Permission denied
munmap_chunk(): invalid pointer
Ubiquity 21.04.11
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-kubuntu'
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-kubuntu'
QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-kubuntu'
TEXT <small>If more than one person will use this computer, you can set up
multiple accounts after installation.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
TEXT <small>The name it uses when it talks to other computers.</small>
TEXT <small>Enter the same password twice, so that it can be checked for typing
errors.</small>
malloc(): unaligned tcache chunk detected
** Affects: ubiquity (Ubuntu)
Importance: Critical
Status: New
** Tags: amd64 apport-bug hirsute kubuntu ubiquity-21.04.11
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Ubiquity crash on try/install and from live session with "malloc(): unaligned
tcache chunk detected"
https://bugs.launchpad.net/bugs/1920665
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which is subscribed to the bug report.
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