pm-suspend not restoring /sys/power/disk with /bin/dash

Bug #1394388 reported by Matthias Ferdinand on 2014-11-19
This bug affects 1 person
Affects Status Importance Assigned to Milestone
pm-utils (Ubuntu)

Bug Description

Ubuntu 14.04LTS
pm-utils 1.4.1-13ubuntu0.1

When issuing the pm-suspend command, the scripts set the HIBERNATE_MODE in /sys/power/disk to "suspend".
There is some shell magic to save the previous setting in variable HIBERNATE_MODE_SAVE, but this fails under
the default shell /bin/dash (works correctly with /bin/bash).

Effect: if you use pm-suspend once, the effective HIBERNATE_MODE in /sys/power/disk stays in "suspend", and
any subsequent pm-hibernate will also just do a suspend instead of "platform" or "shutdown".

The attachment "escape special chars in parameter expansion for HIBERNATE_MODE_SAVE" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

tags: added: patch
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