Source: grub-pc Version: 2.02~beta2-7 Severity: normal Having run into #612402, I investigated.
The system's fstab contained: /dev/mapper/vg_cac-root_cac / ext4 errors=remount-ro 0 1 So that was not the cause of the UUID being passed to grub. The probing that is done in 10_linux finds lvm: + /usr/sbin/grub-probe --device /dev/mapper/vg_cac-root_cac --target=abstraction + abstraction=lvm + test xlvm = xlvm Note the extra whitespace in the above. This is the source of at least this manifestation of the bug. root@clam:/boot>if [ "$(/usr/sbin/grub-probe --device /dev/mapper/vg_cac-root_cac --target=abstraction)" = "lvm" ]; then echo good; fi root@clam:/boot>if [ "$(/usr/sbin/grub-probe --device /dev/mapper/vg_cac-root_cac --target=abstraction)" = "lvm " ]; then echo buggy; fi buggy grub-probe is outputting a whitespace delimited list, but the for loop in uses_abstraction sets IFS to newline. -- see shy jo
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