Reproducible with:
# grub-probe xyz
, which on my machine produces 4 errors ('xyz' can be any meaningless string,
of course):
error: physical volume pv0 not found.
error: physical volume pv0 not found.
error: physical volume pv0 not found.
error: physical volume pv0 not found.
grub-probe: error: failed to get canonical path of xyz.
'grub-prove -v xyz' has these relevant lines:
...
grub-probe: info: Scanning for mdraid09 RAID devices on disk bass-swap_1.
error: physical volume pv0 not found.
grub-probe: info: Scanning for mdraid09 RAID devices on disk bass-root.
error: physical volume pv0 not found.
...
grub-probe: info: Scanning for mdraid1x RAID devices on disk bass-swap_1.
error: physical volume pv0 not found.
grub-probe: info: Scanning for mdraid1x RAID devices on disk bass-root.
error: physical volume pv0 not found.
...
The devices, that appear to trigger the whining, are LVM volumes on a
drive, that has a partition used as a PV; an ext2 boot partition is on
the same drive. There are other volumes, but not on the same PV (but in
the same VG). No RAID is in use on the system.
I am reluctant to do much experimentation with this machine: it's a live
production box.
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https://bugs.launchpad.net/bugs/1014159
Title:
update-grub error: physical volume pv0 not found.
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