[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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That is true. And it happens after I type my password to unlock the
computer. I tried turning off password lock during suspend in the power
options and then it works. So the problem only happens when the computer
resumes from suspend after the laptop lid has been closed and screen is
locked.
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** Description changed:
When resuming from suspend I get a black screen, not possible to get
back to X without restarting the computer. CTRL-ALT-F1 gets me a
terminal window but I can't be bothered to find out how to restart X
these days, it's easier just to restart the computer.
+
+
On the fifth trace suspend I got the picture back on screen but the
computer totally froze, not even REISUB would restart it. This is a bit
different from when I close the laptop lid because then the computer
keeps working but I get a black screen until I restart lightdm. Attached
is the dmesg
OK, so I think I haven't been totally clear in the description of this bug.
Here is some clarification.
- If I do Suspend from the menu and power back on, it works
- If I lock the screen from the menu and unlocks it, it works
- If I close the lid of the laptop, the computer resumes and the
Anders Sjölander, so just to clarify, if you suspend from the menu in
the default kernel, you don't have a black screen?
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Title:
[Dell Latitude
Output of /proc/acpi/wakeup
** Attachment added: wakeup
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1327110/+attachment/4126584/+files/wakeup
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I did a suspend according to point 4. But resume worked and I couldn't
find anything matching the instructions in dmesg.txt.
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1327110/+attachment/4126592/+files/dmesg.txt
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Anders Sjölander, if you do 30 suspend/resume cycles does the problem
manifest itself?
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Title:
[Dell Latitude D420] Black screen after resuming
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