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[Bug 50437] Re: Resume from hibernation may fail because swap partition UUID does not match /etc/initramfs-tools/conf.d/resume

 

The workaround in post 35 (https://bugs.launchpad.net/ubuntu/+source
/initramfs-tools/+bug/50437/comments/35) works, but there's a more
simple workaround  to get the same result:

1) Update your /etc/fstab with your new SWAP partition (or partitions);
2) /var/lib/dpkg/info/initramfs-tools.preinst install
3) update-initramfs -k all -u

The only improvement is in step 2. The proposed command automatically
updates the UUID of the RESUME var.

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https://bugs.launchpad.net/bugs/50437

Title:
  Resume from hibernation may fail because swap partition UUID does not
  match /etc/initramfs-tools/conf.d/resume

Status in initramfs-tools package in Ubuntu:
  Triaged
Status in ubiquity package in Ubuntu:
  Invalid
Status in Baltix GNU/Linux:
  Confirmed

Bug description:
  There are a variety of circumstances which can cause the swap
  partition UUID to get out of sync with the system configuration, for
  example:

  1. User edits /etc/fstab to specify a different swap partition, either by UUID or by hardcoding the device path
  2. User reinitializes their swap partition with a new UUID using mkswap
  3. User repartitions their disk and thereby reinitializes the swap partition with a new UUID

  If this happens, the system will fail to resume from hibernation
  because it continues to look for the swap partition as specified in
  /etc/initramfs-tools/conf.d/resume.  Not finding this device, it will
  continue with normal system startup, as if no hibernation had taken
  place.

  It would be better if the system were more robust in the face of such
  changes.

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