Ubuntu 14.04 reached end of standard support in April 2019:
https://wiki.ubuntu.com/Releases
If you would like to continue with free support then please update to a
newer Ubuntu version and tell us if the problem still occurs.
If you would like to continue with Ubuntu 14.04 then there is a pai
Thank you for reporting this bug to Ubuntu.
Ubuntu GNOME 14.04 (trusty) reached end-of-life on April 28, 2017
https://wiki.ubuntu.com/TrustyTahr/ReleaseNotes/UbuntuGNOME#Support
https://lists.ubuntu.com/archives/ubuntu-gnome/2017-March/004211.html
We appreciate that this bug may be old and you mi
** Description changed:
Possibly related to bug 1283938 . I have disabled lock screen on suspend
to try and get around the bug but it obviously hasn't worked.
I see a completely black screen with a working mouse cursor. Used Ctrl-
Alt-F2 to login at a text terminal and tried to kill gn
Just to update this bug, I still had this bug occur occasionally even
afterwards, though at a greatly reduced rate. After doing some more
testing recently, I've been able to avoid this problem completely by
turning off the System-monitor extension in Gnome tweak tool.
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Update: I've not hit this bug after 5 days now, and I need to restart
to apply security updates.
To recap, the fix was to add the following to /etc/rc.local :
echo auto > /sys/class/drm/card0/device/power_profile
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Bugs, w
Radeon.dpm managed to crash the whole system (had to do a hard cutoff,
caps-lock key wasn't even registering)
I've switched the power management back to "profile", but instead of
using the default profile I've switched to "auto". After 15 tries I've
not hit this bug. I'll continue with this setu
I remembered that I had some kernel parameters set, so I turned off the
CLUTTER_VBLANK fix and experimented a bit. I used gnome-shell to
suspend, then resume and log in repeatedly until gnome-shell locked up.
(default ubuntu kernel parameters) = bug on 7th try
radeon.audio=1 = bug on 1st try
ra
Well, after 3 days and I don't know how many suspends / lock screens
later this bug hit me again. Let me see if I can get some more
information.
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https://bugs.launchpad.net/bugs/1442311
I cannot install a daily build on this machine, is there a live-usb
image with gnome-shell I can test?
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Title:
Ubuntu 14.04 blank screen after wa
Kenneth Bogert, to see if this is already fixed in a later release,
could you please test for this via http://cdimage.ubuntu.com/daily-
live/current/ and advise to the results?
** Tags added: regression-release
** Package changed: linux (Ubuntu) => gnome-shell (Ubuntu)
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I finally found some time to work on this, and I think I have it fixed.
Debugging gnome-shell when I hit this bug (note, I could also trigger
this bug by allowing the screen to lock, no suspend necessary) I noticed
the following backtrace kept happening:
Thread 1 (Thread 0x7f920ec68a40 (LWP 12089
Instead of doing that, I decided to do a quick sanity check.
I installed kernel 3.4-precise from the upstream kernel archives, which
I know worked fine when I was running 12.04 with gnome shell (even the
updated gnome-shell from the webupd8team ppa, I believe the version was
3.8?)
Sure enough, I'
Kenneth Bogert, could you please provide the missing information
following https://wiki.ubuntu.com/DebuggingKernelSuspend ?
** Tags added: kernel-bug-exists-upstream-4.0
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Just tried 4.0.0 , and on first try I triggered this issue. I was,
however, able to kill gnome-setting-daemon and then gnome-shell from a
terminal. This then caused the lock screen to appear and I was able to
log in. I've had this happen sometimes in the past before, so I
consider this no change
Nevermind my previous comment, I doubt it's the same bug...
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Title:
Ubuntu 14.04 blank screen after wakeup from sleep
To manage notifications ab
Can you try installing linux-image-3.16.0-34-generic from the -proposed repo?
If that works, this is probably the same bug I had, which has already been
patched upstream and in -proposed (but, AFAIK, still not mainlined in ubuntu,
except for Vivid): https://bugs.freedesktop.org/show_bug.cgi?id=42
** Tags added: latest-bios-a15
** Changed in: linux (Ubuntu)
Importance: Low => Medium
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Title:
Ubuntu 14.04 blank screen after wakeup from sl
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