Vidar Hoel, 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:
kernel-fixed-upstream
kernel-fixed-upstream-X.Y-rcZ
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:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-X.Y-rcZ
Please note, an error to install the kernel does not fit the criteria of
kernel-bug-exists-upstream.
Also, you don't need to apport-collect further unless specifically
requested to do so.
It is most helpful that after testing of the latest upstream kernel is
complete, you mark this report Status Confirmed.
Lastly, to keep this issue relevant to upstream, please continue to test
the latest mainline kernel as it becomes available.
Thank you for your help.
** Tags added: bios-outdated-0061
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1652644
Title:
Switching users in Ubuntu/Ubuntu Gnome freezes graphics
Status in linux package in Ubuntu:
Incomplete
Bug description:
This bug was present in Ubuntu Gnome 16.04 LTS with GDM, but did a
clean install of Ubutnu 16.04 LTS with Unity and LightDM, and the bug
is still present.
How to reproduce:
1. Boot the system, wait for LightDM to start and show the Ubuntu Unity
greeter.
2. Log in as a user.
3. From the power menu (top right), choose an other user
4. In the password-promt (greeter) for the user, type in the correct password
At this point, one of three thing might happen:
a- The desktop, desktop icons, Unity-launcher and main menu for the user is
loaded. The user can use the system as expected!
b- The desktop, desktop icons and Unity-launcher the user is loaded. However,
just before the main-menu-bar at the tops loads, the the graphics freezes. I
can move the cursor, but that's it. It is not possible to click or do anything
with the mouse-cursor.
c- Same as (b), but during this process the screen goes complete blank
(black), with only the cursor showing (and moving).
When (b) or (c), pressing ALT+F1-F6 does not help, the screen just
stays the same (except the cursor dispersers). Pressing ALT+F7
afterwards does not bring the cursor back.
The system has not frozen. I can SSH to the box and it lives as
nothing has happened. It's only effecting the display/graphics.
This bug happens about 1/3 of the times I switch the user. Sometimes I
can switch to and from users several times (2-5) before this bug comes
to life.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-57-generic 4.4.0-57.78
ProcVersionSignature: Ubuntu 4.4.0-57.78-generic 4.4.35
Uname: Linux 4.4.0-57-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sitron 1903 F.... pulseaudio
Date: Mon Dec 26 16:58:42 2016
HibernationDevice: RESUME=UUID=9d82d48a-107c-4d15-844d-c4ba62a3d320
InstallationDate: Installed on 2016-12-18 (8 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
IwConfig:
lo no wireless extensions.
eno1 no wireless extensions.
Lsusb:
Bus 002 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-57-generic
root=UUID=2a82deba-0eba-4358-b17c-65be40fe066f ro quiet splash vt.handoff=7
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-57-generic N/A
linux-backports-modules-4.4.0-57-generic N/A
linux-firmware 1.157.6
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2016
dmi.bios.vendor: Intel Corp.
dmi.bios.version: GKPPT10H.86A.0060.2016.1021.1324
dmi.board.name: DCP847SKE
dmi.board.vendor: Intel Corporation
dmi.board.version: G80890-105
dmi.chassis.type: 3
dmi.modalias:
dmi:bvnIntelCorp.:bvrGKPPT10H.86A.0060.2016.1021.1324:bd10/21/2016:svn:pn:pvr:rvnIntelCorporation:rnDCP847SKE:rvrG80890-105:cvn:ct3:cvr:
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