|Subject:||Failure when booting after BTRFS snapshot rollback (Kernel panic)|
|Date:||Tue, 21 May 2019 17:31:16 +0200|
|User-agent:||Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1|
I have identified this issue on Debian 9.6 with linux-kernel 4.18.0, snapper 0.8.2-1 and grub-common 2.02+dfsg1-8:
The system will not boot a snapshot that was rolled back with snapper and run into Kernel panic when selecting default grub entry.
Steps to reproduce the issue:
A workaround to boot w/o errors is to edit the default grub enty by means of deleting boot option rootflags=subvol=@ as snapper sets a new default subvolume that is booted only w/o this rootflag option.
To make this modification available in Grub you must edit file
and run "update-grub".
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