So, I think I solved this now, and it's actually not a bug in linux but
a problem with bumblebee and the NVIDIA driver for my graphics card. Its
due to the fact that NVIDIA changed the driver name. Therefore Bumblebee
and as a result ACPI functions for my discrete graphics card didn't work
anymore which probably caused suspend not to work (since I've never got
it working without Bumblebee before). After completly reinstalling
Bumblebee, rebuilding kernel modules and changing bumblebee.conf to
adapt to the new driver this seems to work now.
I'll open up a new bug report, if this issue reappears.
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1056887
Title:
Acer Aspire 5750G freezes when waking up from suspend after recent
updates
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