Yes. I assumed it was unrelated to Unity but couldn't find a better bug
report tracking this in launchpad. I have a skylake processor and they
mention this in the patchwork thread that the issue is appearing in
skylake as well. I'll check to see if there are BIOS updates incoming to
my laptop.
--
Leonard,
I think it's not related to Unity, what happens here is something like
[1],
"A bug was reported that on certain Broadwell platforms, after resuming from S3,
the CPU is running at an anomalously low speed.
It turns out that the BIOS has modified the value of the THERM_CONTROL register
This issue just started reappearing since about one week back on my XPS
15 9550 laptop. I've had the laptop for some time and not had this
issue. I don't know how to get more input to this bug to get it fixed.
However, this fixes it:
I came here because I have the exact same issue.
Brand new Dell XPS 13 with Ubuntu 14.04.
Aftrr wake from suspend I see a black screen with cursor; then the
desktop shows up and looks fine, but performance is more than sluggish -
videos become slideshows.
--
You received this bug notification
Thank you for taking the time to report this bug. We have tried to
recreate this on the latest release of Ubuntu and cannot reproduce it.
This bug is being marked as Invalid. If you believe the problem to still
exist in the latest version of Ubuntu, please comment on why that is the
case and
I'm also experiencing this exact problem for some months now (using
Ubuntu 14.10 and 14.04) with an Intel and Nvidia (Optimus) graphic
cards..
Workaround seems to work well here. The only thing is that my windows on
other workspaces are going back to the main screen, which is obvious.
--
You
** Changed in: unity
Status: New = Confirmed
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1313436
Title:
Unity/Compiz very slow after resume from suspend
To manage notifications about this
After watching a few more days most of the time compiz apparently just
doesn't come back at all from suspend, all that is seen is a black
screen with a mouse cursor. That is what happens probably 95% of the
time.
Unfortunately due to Ubuntu dropping the previous 18mo support cycle I
will probably
So I found a temporary workaround that seems to work, whenever it hangs
I can send HUP to compiz and that seems to fix the problem.
eg:
kill -HUP $(pidof compiz)
However this appears to expose yet another bug that minimized windows at
the time of compiz restart essentially disappear
** Attachment added: Example of problem
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1313436/+attachment/4098712/+files/image.jpg
** Package changed: xorg (Ubuntu) = unity (Ubuntu)
** Changed in: unity (Ubuntu)
Status: New = Confirmed
** Description changed:
After
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