when installing with curtin, disks can be specified via the 'path' key
or 'serial'.
When specifying 'serial', curtin will attempt to locate the target disk
by glob;ing in /dev/disk/by-id/*serial* to find the disk that matches
the specified serial number.
In this instance, the virtio disk was not provided with a serial number,
probert appears to have provided a serial number of 'Unknown_Serial'
which was not found in /dev/disk/by-id/ on the install source machine.
subiquity likely needs to determine if it can use 'serial' or 'path'
based on the probert information. Probert may need to omit serial
value, or use a 'none' value instead of 'Unknown_Serial'.
If we're feeling lucky, we could also file a qemu bug to see if upstream
is interested in having virtio disks have a default serial number like
IDE devices do (as well as network devices which get a default mac
address).
** Also affects: curtin
Importance: Undecided
Status: New
** Changed in: curtin
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1743631
Title:
Install with virtio disk fails due to unknown serial
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