This bug was fixed in the package zfs-linux - 0.8.1-1ubuntu12
---------------
zfs-linux (0.8.1-1ubuntu12) eoan; urgency=medium
* Rename zsys-support.patch to 4000-zsys-support.patch
* debian/patches/4500-fix-generator-invalid-cache.patch:
- Regenerate cache file if empty to fix a race for the mount
generator and fstab which contains /boot/grub (LP: #1845606)
* debian/patches/4501-fix-var-lib-race.patch:
- Fix a race between systemd-random-seed and zfs mount -a if
/var/lib is a separate persistent dataset. (LP: #1845298)
-- Didier Roche <didro...@ubuntu.com> Fri, 27 Sep 2019 09:48:23 +0200
** Changed in: zfs-linux (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1845606
Title:
Race between empty cache file and fstab containing /boot/grub
Status in zfs-linux package in Ubuntu:
Fix Released
Bug description:
There is a race between empty cache file for the mount generator and fstab
which contains /boot/grub.
With zfs on root, the generator is the only solution to avoid races. However
in 0.8 it misses cache invalidation (when rollbacking or booting on other
datasets).
This is a workaround for the first boot with empty files to ensure we
initialize it properly.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1845606/+subscriptions
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