This bug was fixed in the package initramfs-tools-ubuntu-core - 0.7.9
--------------- initramfs-tools-ubuntu-core (0.7.9) wily; urgency=medium
* drop "discard" from mount options of the writable partition, we want to use fstrim instead (LP: #1479711).
-- Oliver Grawert <email address hidden> Mon, 24 Aug 2015 13:54:01 +0200
This bug was fixed in the package initramfs- tools-ubuntu- core - 0.7.9
--------------- tools-ubuntu- core (0.7.9) wily; urgency=medium
initramfs-
* drop "discard" from mount options of the writable partition, we want to
use fstrim instead (LP: #1479711).
-- Oliver Grawert <email address hidden> Mon, 24 Aug 2015 13:54:01 +0200