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[Bug 1380076] Re: Can't suspend on Surface Pro 3


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.17 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:

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-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/v3.17-utopic/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  Can't suspend on Surface Pro 3

Status in “linux” package in Ubuntu:

Bug description:
  Suspend on surface pro 3 from GUI does not work. (Nothing happens)

  Doing it manually also fails, and nothing appears in dmesg:
  #echo "mem" > /sys/power/state

  Error while writing to stdout
  write_loop: Invalid argument

  And, more interestingly,
  #cat /sys/power/state

  freeze disk

  Using the not-so-good-and-apparently-unsupported
  #echo "freeze" > /sys/power/state

  does seem to successfully suspend, however I cannot resume from this
  (assumed to be a separate issue). Likewise, pm-hibernate seems
  somewhat functional.

  I am using a the utopic unicorn kernel compiled from git at
  kernel.ubuntu.com, with a tiny patch that is required for my keyboard
  to work (hard to file bug reports without a keyboard). The official
  kernel behaves identically, as does vanilla 3.17 from the mainline
  folder of kernel-ppa.

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