Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: libseccomp (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1876486
Title:
Kernel panic booting after 18.04 to 20.04 upgrade
Status in libseccomp package in Ubuntu:
Confirmed
Bug description:
Upgraded Ubuntu 18.04 to 20.04. Following the upgrade, booting was not
possible. The error messages is:
/sbin/init: symbol lookup error: /lib/systemd/libsystemd-shared-245.so:
undefined symbol: seccomp_api_get
[ 4.608900] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00007f00
See also attached photograph of screen during boot.
Upgrade followed steps from here:
https://help.ubuntu.com/community/FocalUpgrades/Kubuntu
With the excpetion that The -d flag was used for the do-release-upgrade:
sudo do-release-upgrade -d -m desktop
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Prior to upgrade: Ubuntu 18.04.4
After upgrade (but never booted): Ubuntu (Kubuntu) 20.04
Note that Ubuntu had originally be installed, but kubuntu-desktop was
recently installed to change to Kubuntu, but no booting problems were
experienced before updating to 20.04.
2) The version of the package you are using, via 'apt-cache policy pkgname'
or by checking in
Unknown -- Package version may have changed when upgrading to 20.04.
3) What you expected to happen
Boot without kernel panic.
4) What happened instead
Could not boot. Even selecting safe mode from grub could not boot. Had to
restore system from backups. Will not attempt upgrade again.
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