The "Failed to probe for filesystem type" in my case is related to one of my "Linux LVM" partition and AFAIK LVM is not directly mountable.
I tweaked "os-prober" to give me the partition that cannot be probe : # os-prober /dev/nvme0n1p5 - Failed to probe for filesystem type # fdisk /dev/nvme0n1p5 1001472 1000214527 999213056 476.5G 8e Linux LVM Find fs_type : #. /usr/share/os-prober/common.sh #fs_type /dev/nvme0n1p5 LVM2_member After a discussion with cyphermox, we decided to set this to "verificaiton-failed" and modify the src code to catch this thing that we didn't notice before. ** Tags removed: verification-needed ** Tags added: verification-failed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1579609 Title: os-prober bug resulting in possible FS corruption To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/os-prober/+bug/1579609/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
