Ok, I found a work-around for this. at least for stand-by.

just replace

GRUB_CMDLINE_LINUX_DEFAULT=""

in /etc/default/grub with this:

GRUB_CMDLINE_LINUX_DEFAULT="i915.lvds_use_ssc=0"

then run "sudo update-grub"

after rebooting, closing the lit and going to and resume from stand-by
works.

hibernate still doesn't work, but there is another error about a too
small swap file. seems to be another problem than this.

can someone test this and post the results?

ben

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https://bugs.launchpad.net/bugs/777110

Title:
  No Resume on Stand-by/Hibernate on Lenovo Ideapad U160 M436CGE

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