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[Bug 1586635] Re: Ubuntu 16.04 black screen after long suspend
Valentin, thank you for reporting this and helping make Ubuntu better.
In order to allow additional upstream developers to examine the issue, at your earliest convenience, could you please test the latest upstream kernel available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please keep in mind the following:
1) The one to test is at the very top line at the top of the page (not the daily folder).
2) The release names are irrelevant.
3) The folder time stamps aren't indicative of when the kernel actually was released upstream.
4) Install instructions are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds .
If testing on your main install would be inconvenient, one may:
1) Install Ubuntu to a different partition and then test this there.
2) Backup, or clone the primary install.
If the latest kernel did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this issue is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description:
Where X, and Y are the first two numbers of the kernel version, and Z is
the release candidate number if it exists.
If the mainline kernel does not fix the issue, please add the following tags:
Please note, an error to install the kernel does not fit the criteria of
Also, you don't need to apport-collect further unless specifically
requested to do so.
Once testing of the latest upstream kernel is complete, please mark this
report Status Confirmed. Please let us know your results.
Thank you for your understanding.
** Attachment removed: "lspci-vnvn.log"
** Changed in: linux (Ubuntu)
Importance: High => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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Ubuntu 16.04 black screen after long suspend
Status in linux package in Ubuntu:
When I close the lid in my laptop (Slimbook) for short time, and open
it again, the system resume perfectly.
However, when I suspend my PC for long time, when I open the lid, it
resumes with black screen and keyboard led on. I cant suspend it again
closing the lid and combination of Ctrl + Alt + F3 not work. Need hard
shutdown to recover the System.
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-23-generic 4.4.0-23.41
ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
Uname: Linux 4.4.0-23-generic x86_64
USER PID ACCESS COMMAND
/dev/snd/controlC0: vk496 1804 F.... pulseaudio
/dev/snd/controlC1: vk496 1804 F.... pulseaudio
country BO: DFS-JP
(2402 - 2482 @ 40), (N/A, 20), (N/A)
(5250 - 5330 @ 80), (N/A, 30), (0 ms), DFS
(5735 - 5835 @ 80), (N/A, 30), (N/A)
Date: Sat May 28 14:25:57 2016
MachineType: ENZ C16B
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-23-generic.efi.signed root=UUID=90e2ad64-9662-478b-a2b9-110a8336fe59 ro elevator=noop quiet splash vt.handoff=7
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.vendor: INSYDE Corp.
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.version: Type2 - Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.version: Chassis Version
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