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[Bug 1528664] Re: Resume from hibernation does not working since 3.13.0-74

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.4 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4-rc6-wily

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https://bugs.launchpad.net/bugs/1528664

Title:
  Resume from hibernation does not working since 3.13.0-74

Status in linux package in Ubuntu:
  Incomplete
Status in linux-lts-trusty package in Ubuntu:
  Triaged

Bug description:
  My laptop Dell Latitude E6440 is not able to resume from hibernation
  on linux kernel version 3.13.0-74. Version 3.13.0-71 is last working.
  When I try to resume on version 3.13.0-74 it just show bootlog, then
  reading resume image. And after resume image is loaded, screen goes
  black and laptop do nothing. Network is not working, so I cannot
  connect to laptop. Even enabled SYSRQ keys do not work. Hard shutdown
  with power button is needed. After next boot there is nothing about
  last failed resume in syslog, so I do not have any information for
  debugging.

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References