Public bug reported:
When using my Quadro K620 with the nouveau driver, the screen
scintillates. This is more perceptible on the SDDM login screen and when
viewing the desktop background. This does not happen when driving the
GPU with the closed NVIDIA driver.
ProblemType: Bug
DistroRelease:
typo
** Package changed: grub2 (Ubuntu) => xorg (Ubuntu)
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https://bugs.launchpad.net/bugs/1783954
Title:
[NVIDIA] GPU lockup (screen freeze) after resume from hibernation
Public bug reported:
I am not able to boot my computer (Dell Latitude E7450) with the nvidia
proprietary drivers. bbswitch complains about there being no suitable
_dsm call. I do not know what this is, but this happens in spite of
loading the bbswitch module with the skip_optimus_dsm option.
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https://bugs.launchpad.net/bugs/1675683
Title:
Computer sluggish/irresponsive for several minutes after hibernation
Status in pm-utils package in Ubuntu:
New
Bug
** Attachment added: "freezeslow.iostat"
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1675683/+attachment/4867694/+files/freezeslow.iostat
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Thanks you again for investigating this. It has been difficult to find
similar cases because I do not really know how to describe the problem
in English, making it difficult to use search engines.
I tried rdmsr -a 0x19a and it gives back 0 as seems to be normal.
Here are the logs you suggested
** Attachment added: "freezeslow.sar"
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1675683/+attachment/4867695/+files/freezeslow.sar
** Changed in: pm-utils (Ubuntu)
Status: Incomplete => New
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Thanks for your help.
I did what you suggested. Here is the result.
** Attachment added: "dmesg1"
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1675683/+attachment/4865383/+files/dmesg1
** Changed in: pm-utils (Ubuntu)
Status: Incomplete => New
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** Description changed:
Hi,
my computer is very sluggish for a good five minutes after thawing from
hibernation.
Booting the system and the thawing process in itself seems to run fine :
the console displays the progress of reloading contents into RAM at a
satisfying pace, then the
Public bug reported:
Hi,
my computer is very sluggish for a good five minutes after thawing from
hibernation.
Booting the system and the thawing process in itself seems to run fine :
the console displays the progress of reloading contents into RAM at a
satisfying pace, then the lightdm unlock
There is no flickering of the login prompt with the latest Ubuntu 16.10.
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https://bugs.launchpad.net/bugs/1577162
Title:
Screens briefly blacks out at lightdm prompt
Yes, it is with xserver-xorg-video-nouveau removed.
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Title:
Screens briefly blacks out at lightdm prompt
Status in xorg package in
Sorry for the delay ; I did install xdiagnose, but it was on the wrong
computer...
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Title:
Screens briefly blacks out at lightdm
apport information
** Attachment added: "XorgLog.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700787/+files/XorgLog.txt
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apport information
** Attachment added: "nvidia-installer.log.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700790/+files/nvidia-installer.log.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700785/+files/ProcModules.txt
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apport information
** Attachment added: "xdpyinfo.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700791/+files/xdpyinfo.txt
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apport information
** Attachment added: "Xrandr.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700789/+files/Xrandr.txt
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apport information
** Attachment added: "XorgLogOld.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700788/+files/XorgLogOld.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700786/+files/UdevDb.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700783/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700782/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700784/+files/ProcInterrupts.txt
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apport information
** Attachment added: "DpkgLog.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700777/+files/DpkgLog.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700780/+files/Lspci.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700781/+files/Lsusb.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700774/+files/CurrentDmesg.txt
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apport information
** Attachment added: "LightdmLog.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700779/+files/LightdmLog.txt
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apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700778/+files/JournalErrors.txt
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apport information
** Attachment added: "DkmsStatus.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700776/+files/DkmsStatus.txt
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** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4700775/+files/Dependencies.txt
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apport information
** Tags added: possible-manual-nvidia-install ubuntu
** Description changed:
When I boot my laptop and get to the lightdm login prompt, the screen
blacks out for a fraction of second. This happens each time, only once,
and does not prevent logging in.
In fact it is
apport information
** Tags added: apport-collected third-party-packages
** Description changed:
When I boot my laptop and get to the lightdm login prompt, the screen
blacks out for a fraction of second. This happens each time, only once,
and does not prevent logging in.
In fact it is
apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4698338/+files/JournalErrors.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1577162/+attachment/4698339/+files/ProcEnviron.txt
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** Also affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
When I boot my laptop and get to the lightdm login prompt, the screen
blacks out for a fraction of second. This happens each time, only once,
and does not prevent logging in.
In fact it
Hi,
I had not used my laptop in a while and your message prompted me to
upgrade my packages and try again with a newer version before adding
more information.
The problem I described does not occur anymore now -- I tried with the
latest kernel 4.4.0-30-generic and with the latest tuxonice
Adding this in case it helps identifying what is going on.
Here is the upper part of a screen capture. The red dot is the position
of the mouse cursor at the time of the capture. Notice how the "g"s
above the y-position of the cursor have a glitch, but not the one below.
This happens
I tried the workaround in #56 but to no avail. Which is consistent with
the fact that SNA is the default setting, if the question linked in #55
is correct.
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Public bug reported:
When I boot my laptop and get to the lightdm login prompt, the screen
blacks out for a fraction of second. This happens each time, only once,
and does not prevent logging in.
In fact it is not only a display glitch : if I start to type my password
before the blackout, the
I am experiencing similar problems on XUbuntu 16.04. I opened a new bug
as the circumstances are not exactly those expressed in the title of
this one : #1576550
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Thanks for the suggestion to upgrade the BIOS. The laptop is brand new,
so I did not think the BIOS would be out of date.
I did the upgrade but the problem persists. Strangely, after opening the
lid, the mouse cursor appears on the login screen (the session is
automatically locked when the lid is
I thought apport would add this : the computer is a Dell Latitude E7450.
** Attachment added: "output of lshw"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1573760/+attachment/4643342/+files/lshw
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Public bug reported:
I just installed XUbuntu 16.06 on my laptop.
Suspend to RAM and hibernation seem to work correctly, but resuming from either
of it is not actually possible because the screen remains black. Concerning
hibernation, this happens with the default hibernation method as well as
Hibernation and resuming from it works fine with TuxOnIce (kernel
4.4.0-18-generic-tuxonice). This may help you find out what is causing
the problem with the default hibernation process.
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** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1554509
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595952/+files/UdevDb.txt
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apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595953/+files/WifiSyslog.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595949/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595948/+files/Lsusb.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595950/+files/ProcInterrupts.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595951/+files/ProcModules.txt
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apport information
** Attachment added: "JournalErrors.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595946/+files/JournalErrors.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595944/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595945/+files/Dependencies.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595947/+files/Lspci.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1554509/+attachment/4595943/+files/CRDA.txt
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apport information
** Tags added: apport-collected
** Description changed:
I am currently testing Xubuntu 16.04 beta. Hibernation does not work
properly.
I ran sudo pm-hibernate, then rebooted.
The hibernation part itself seems to work nice.
Resuming presents the following
It appears that booting with nomodeset prevents the radeon video driver
to load, so this driver may be the cause of the problem.
** Also affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
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After upgrading packages (and kernel to 4.4.0-11-generic), the problem
persists.
However, there seems to be a workaround : booting with the nomodeset
option allows to hibernate and resume properly.
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Public bug reported:
I am currently testing Xubuntu 16.04 beta. Hibernation does not work
properly.
I ran sudo pm-hibernate, then rebooted.
The hibernation part itself seems to work nice.
Resuming presents the following behaviour :
- the booting sequence starts
- the console shows the
** Attachment added: "lspci"
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1554509/+attachment/4592623/+files/lspci
** Description changed:
I am currently testing Xubuntu 16.04 beta. Hibernation does not work
properly.
I ran sudo pm-hibernate, then rebooted.
The
** Summary changed:
- hibernation fails because 99video does not terminate
+ hibernation fails because chvt 63 hangs
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https://bugs.launchpad.net/bugs/1350220
Title:
** Description changed:
+ EDIT : initial title was hibernation fails because 99video does not
+ terminate
+
When I initiate an hibernation on my computer, the following frequently
happens (about 50% of the time) :
1. screen goes black (normal) ;
2. instead of showing the progress of
Public bug reported:
When I initiate an hibernation on my computer, the following frequently
happens (about 50% of the time) :
1. screen goes black (normal) ;
2. instead of showing the progress of the writing of RAM to disk in console
mode, the screen remains black ;
3. the screensaver prompt
** Attachment added: pm-suspend.log
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1350220/+attachment/4165679/+files/pm-suspend.log
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Public bug reported:
The attached file is an official form by the French Ministry of Interior
that one must fill out using one's computer and then print and sign.
The date at the bottom left of the first page is supposed to be the date
of signature. However, it is filled with a date in July
Public bug reported:
I have been experiencing difficulties to connect to my lab network and
to eduroam. These are WPA2 networks with TTLS and PAP authentication.
The signal strength is almost 100% (but I am usually receiving from
different closely located spots, so the system might be trying to
Public bug reported:
Sometimes, the menu from the network-manager icon in the panel becomes
irresponsive. Clicking on an entry to connect to a detected wireless
network closes the menu but does not seem to begin any actual operation
: the icon keeps its not connected look, and no network
What is wrong is that it is only possible to set whether nm should
automatically connect to a network or not. It would be much preferable
if we could also tell it a preference relationship between these network
that we automatically connect to.
This would mean we could order the list of networks
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