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[Kresten Kjeldgaard <ubuntuone@xxxxxxxxxx>]

It is indeed not installed by default (at least I manually installed it
just now and broke my system. However I'm not sure I agree with this
being low, since installing it made my system completely unable to boot
(has kernels 4.4.0.21 and .22 only) at least with any of the recovery
modes available in grub. At least the workaround for me was not that
simple, since it required making and booting from a rescue media to be
able to actually get into a situation where it was possible to remove
the package again.

If anyone else runs into this here were my steps for solving this:
1. Make a 16.04 installation disk (any live CD really) 
2. Boot this in the try/livecd mode
3. Create somewhere to mount the real root partition (e.g. "sudo mkdir /media/root")
4. Mount the root partition (e.g. "sudo mount /dev/sdaX /media/root")
5. chmod into the root partition (e.g. "sudo chmod /media/root")
6. Remove the package (e.g. "sudo apt-get remove uswsusp" )
7. Reboot

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1568341

Title:
  Boot hangs at: /scripts/local-premount/uswsusp

Status in linux package in Ubuntu:
  Triaged

Bug description:
  When booting Ubuntu kernels  4.4.0-16 through  4.4.0-18 (either by default or upstart), it hangs during boot noting as per the attached screenshot:
  Begin: Running /scripts/local-premount ...

  With debug=y kernel parameter it hangs at:
  /scripts/local-premount/uswsusp

  This doesn't happen via 4.4.0-15.

  Git bisect revealed:
  # first bad commit: [746a312bf960810a7ccfb16eefeec68a335392b4] UBUNTU: Start new release

  WORKAROUND: Uninstall package:
  uswsusp

  ---
  ApportVersion: 2.20.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  moniker    1927 F.... pulseaudio
   /dev/snd/controlC1:  moniker    1927 F.... pulseaudio
  CurrentDesktop: GNOME-Flashback:Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=c099059e-62ee-4a3a-8dc7-64bf4eb0c960
  InstallationDate: Installed on 2015-12-18 (112 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  MachineType: TOSHIBA Satellite S55-C
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.4.0-15-generic root=/dev/mapper/ubuntu--vg-root ro ipv6.disable=1
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-15-generic N/A
   linux-backports-modules-4.4.0-15-generic  N/A
   linux-firmware                            1.157
  Tags:  xenial
  Uname: Linux 4.4.0-15-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-01-20 (80 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 10/14/2015
  dmi.bios.vendor: INSYDE Corp.
  dmi.bios.version: 5.10
  dmi.board.name: 06F1
  dmi.board.vendor: FF50
  dmi.board.version: Type2 - Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis ManuFacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnINSYDECorp.:bvr5.10:bd10/14/2015:svnTOSHIBA:pnSatelliteS55-C:pvrPSPTJU-006005:rvnFF50:rn06F1:rvrType2-BoardVersion:cvnOEMChassisManuFacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: Satellite S55-C
  dmi.product.version: PSPTJU-006005
  dmi.sys.vendor: TOSHIBA

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