[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1437807
Simon Kongshøj, thank you for taking the time to report this bug and helping to
make Ubuntu better. Please execute the following command, as it will
automatically gather debugging information, in a terminal:
apport-collect -p xorg 1437807
Please ensure you have the package xdiagnose installed,
Somehow the bug doesn't seem to affect kernel 4.0 (rc6)
I just installed that and now suspend/resume works like a charm.
Looks like it's a combination of components that causes this erratic
behaviour.
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Bugs, which is
After some further testing I've been able to save the following from
dmesg after resume:
[ 2195.742519] Modules linked in: nvram msr binfmt_misc rfcomm bnep
nls_iso8859_1 uvcvideo videobuf2_vmalloc btusb videobuf2_memops videobuf2_core
bluetooth v4l2_common videodev usbhid media
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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Same on my XPS-13 9343 with i7-5500U and identical graphics card.
I tried xorg-edgers, but no improvement (xorg-video-intel is version 2.99.917
there), it shows the same behaviour.
Workaround with UXA is possible, but performance is abysmal, so no real
solution.
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