Public bug reported:
lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
(custom debootstrap created filesystem.squashfs)
apt-cache policy casper
casper:
Installed: 1.445
Candidate: 1.445
Version table:
*** 1.445 100
100 /var/lib/dpkg/status
casper-snapshot is not working because /cow is not exposed when using
showmounts|show-cow boot parameters
there is no /cow directory on rootmnt when trying to move /cow:
# move /cow such that live-system can poke & debug the overlayfs layers
mount -o move /cow "${rootmnt}/cow"
error in casper.log:
mount: mounting /cow on /root/cow failed: No such file or directory
casper-snapshot:
Error: /cow is not a directory
FIX: create ${rootmnt}/cow dir before moving:
# move /cow such that live-system can poke & debug the overlayfs layers
mkdir -p "${rootmnt}/cow"
mount -o move /cow "${rootmnt}/cow"
** Affects: casper (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1950450
Title:
casper: showmounts show-cow boot parameters do not work (casper-
snapshot)
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