[Bug 1874168] Re: lubuntu 20.04 qa-test install failed "Command '['btrfs', 'subvolume', 'create', '/tmp/calamares-root-doq1ngjw/@']' returned non-zero exit status 1"

This bug has been reported on the Ubuntu ISO testing tracker. A list of all reports related to this bug can be found here: http://iso.qa.ubuntu.com/qatracker/reports/bugs/1874168 ** Tags added: iso-testing -- You received this bug notification because you are a member of Ubuntu Bugs, which is s

[Bug 1874168] Re: lubuntu 20.04 qa-test install failed "Command '['btrfs', 'subvolume', 'create', '/tmp/calamares-root-doq1ngjw/@']' returned non-zero exit status 1"

KDE Partition Manager won't open after calamares failure, seg-faulting which I've mentioned before in reports; so I reboot & start again. Checked BRTFS file system on sda9, it reports no errors, detected with name of "sus_sys" I'd applied (I was expecting Unknown, but it probably didn't format an