Public bug reported:
On bionic, the initramfs pre-mount/resume script contains this call to
/bin/resume:
/bin/resume ${DEV}
Unfortunately, the ${DEV} variable is never set, causing all resumes to fail,
with this error in initramfs.debug:
+ /scripts/local-premount/resume
+ PREREQ=
+ [ -z UUID=16195e13-9fb3-41b2-9671-fb4e1df1ff93 ]
+ [ ! -e /sys/power/resume ]
+ . /scripts/functions
+ . /scripts/local
+ wait-for-root UUID=16195e13-9fb3-41b2-9671-fb4e1df1ff93 5
+ SWAPTYPE=swsuspend
+ [ -x /bin/plymouth ]
+ plymouth --ping
+ [ -n ]
+ /bin/resume
Usage: /bin/resume /dev/<resumedevice> [offset]
This seems a porting bug: the Debian version
(https://anonscm.debian.org/cgit/kernel/initramfs-tools.git/tree/scripts
/local-premount/resume) calls local_device_setup(), whioch sets DEV.
This call is missing in the Ubuntu (bionic, 0.130ubuntu2) version.
In my case, a simple
DEV=$(resolve_device "${resume}")
also solved the issue, but I guess the Debian solution is nicer.
** Affects: initramfs-tools (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1750763
Title:
local-premount/resume script broken, resume fails
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