Sorry for late reply.
I've upgraded my BIOS:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
A16
05/28/2013
The bug is still present. I wake up my computer. No image on the
display. However, I can connect to the same computer through SSH.
Probably it's a videocard problem. I use NVIDIA Corporation GF100GL
[Quadro 5000] (rev a3)
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1363447
Title:
Resuming after suspend I get only black screen
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
I use Dell Precision T7500 machine.
My computer is suspended automatically.
When I push the power button to wake up the machine, I get only black screen.
I can't switch to another tty, probably, although I cannot confirm because of
the black screen.
If I uncheck the checkbox "Require my password when waking from suspend",
then my computer
wakes up correctly.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-35-generic 3.13.0-35.62
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: dima 2443 F.... pulseaudio
dima 3385 F.... pulseaudio
/dev/snd/controlC0: dima 2443 F.... pulseaudio
dima 3385 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Aug 30 18:17:35 2014
InstallationDate: Installed on 2014-08-28 (1 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
IwConfig:
eth0 no wireless extensions.
lo no wireless extensions.
MachineType: Dell Inc. Precision WorkStation T7500
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic
root=UUID=ea44008f-03ed-4458-b4ff-08921d639431 ro quiet splash
RelatedPackageVersions:
linux-restricted-modules-3.13.0-35-generic N/A
linux-backports-modules-3.13.0-35-generic N/A
linux-firmware 1.127.5
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/20/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A10
dmi.board.name: 06FW8P
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 7
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA10:bd04/20/2011:svnDellInc.:pnPrecisionWorkStationT7500:pvr:rvnDellInc.:rn06FW8P:rvrA01:cvnDellInc.:ct7:cvr:
dmi.product.name: Precision WorkStation T7500
dmi.sys.vendor: Dell Inc.
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