Alan Robertson, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1623969/comments/6
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
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future bugs you may find.
** Changed in: xorg (Ubuntu)
Status: Expired => Invalid
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https://bugs.launchpad.net/bugs/1623969
Title:
Cannot log in to kubuntu after update (Intel graphics + ksshaskpass)
Status in xorg package in Ubuntu:
Invalid
Bug description:
I just took some updates to a number of graphic libraries on 16.04,
and now I can't login to kubuntu. The symptom is that it takes my
password on the greeter screen, but never updates the screen after
that.
The messages include these possibly related kernel messages:
kernel: [ 701.564034] [drm:intel_set_cpu_fifo_underrun_reporting [i915]]
*ERROR* uncleared fifo underrun on pipe B
kernel: [ 701.564054] [drm:intel_cpu_fifo_underrun_irq_handler [i915]]
*ERROR* CPU pipe B FIFO underrun
I'm currently running kernel 4.4.0-36.
Here are my most recent updates. The problem started after I rebooted.
Of course that was the next time I logged in too...
Start-Date: 2016-09-07 08:46:04
Commandline: /usr/bin/unattended-upgrade
Remove: libcdaudio1:amd64 (0.99.12p2-14),
linux-image-extra-4.2.0-36-generic:amd64 (4.2.0-36.42),
linux-image-extra-4.4.0-22-generic:amd64 (4.4.0-22.40),
gtk2-engines-murrine:amd64 (0.98.2-0ubuntu2.1),
linux-image-extra-4.4.0-24-generic:amd64 (4.4.0-24.43), libslv2-9:amd64
(0.6.6+dfsg1-3build1), linux-image-extra-4.4.0-28-generic:amd64 (4.4.0-28.47),
linux-image-extra-4.4.0-31-generic:amd64 (4.4.0-31.50), libfaac0:amd64
(1.28+cvs20151130-1)
End-Date: 2016-09-07 08:48:13
Start-Date: 2016-09-07 16:42:27
Install: libgnome-keyring-common:amd64 (3.12.0-1build1, automatic),
libgnome-keyring0:amd64 (3.12.0-1build1, automatic)
Upgrade: libgles2-mesa:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libgles1-mesa:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), libglapi-mesa:amd64
(11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), libglapi-mesa:i386 (11.2.0-1ubuntu2.1,
11.2.0-1ubuntu2.2), p11-kit:amd64 (0.23.2-3, 0.23.2-5~ubuntu16.04.1),
libxatracker2:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libegl1-mesa-drivers:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libegl1-mesa:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), libegl1-mesa:i386
(11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), p11-kit-modules:amd64 (0.23.2-3,
0.23.2-5~ubuntu16.04.1), libgbm1:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libgbm1:i386 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), cups-filters:amd64
(1.8.3-2ubuntu3, 1.8.3-2ubuntu3.1), chromium-browser:amd64
(51.0.2704.79-0ubuntu0.16.04.1.1242, 52.0.2743.116-0ubuntu0.16.04.1.1250),
libcupsfilters1:amd64 (1.8.3-2ubuntu3, 1.8.3-2ubuntu3.1),
chromium-codecs-ffmpeg-extra:amd64 (51.0.2704.79-0ubuntu0.16.04.1.1242, 52.0.2
743.116-0ubuntu0.16.04.1.1250), libwayland-egl1-mesa:amd64 (11.2.0-1ubuntu2.1,
11.2.0-1ubuntu2.2), libfontembed1:amd64 (1.8.3-2ubuntu3, 1.8.3-2ubuntu3.1),
libgl1-mesa-dri:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libgl1-mesa-dri:i386 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
cups-filters-core-drivers:amd64 (1.8.3-2ubuntu3, 1.8.3-2ubuntu3.1),
libgl1-mesa-glx:amd64 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2),
libgl1-mesa-glx:i386 (11.2.0-1ubuntu2.1, 11.2.0-1ubuntu2.2), libp11-kit0:amd64
(0.23.2-3, 0.23.2-5~ubuntu16.04.1), libp11-kit0:i386 (0.23.2-3,
0.23.2-5~ubuntu16.04.1), mesa-vdpau-drivers:amd64 (11.2.0-1ubuntu2.1,
11.2.0-1ubuntu2.2), chromium-browser-l10n:amd64
(51.0.2704.79-0ubuntu0.16.04.1.1242, 52.0.2743.116-0ubuntu0.16.04.1.1250),
ubuntu-mono:amd64 (14.04+16.04.20160621-0ubuntu1,
14.04+16.04.20160804-0ubuntu1), cups-browsed:amd64 (1.8.3-2ubuntu3,
1.8.3-2ubuntu3.1)
End-Date: 2016-09-07 16:44:34
Start-Date: 2016-09-12 14:31:39
Commandline: /usr/sbin/synaptic
Requested-By: alanr (1000)
Upgrade: snapd:amd64 (2.13, 2.14.2~16.04), libappstream-glib8:amd64
(0.5.13-1ubuntu2, 0.5.13-1ubuntu3), neo4j:amd64 (3.0.4, 3.0.5),
accountsservice:amd64 (0.6.40-2ubuntu11.1, 0.6.40-2ubuntu11.2),
libaccountsservice0:amd64 (0.6.40-2ubuntu11.1, 0.6.40-2ubuntu11.2)
End-Date: 2016-09-12 14:32:17
It was after rebooting after updates that this occurred. My workaround is "rm
-fr ~/.kde" - and that allows me to log in. I'm crippled, but at least I can
log in...
If I try to log in again without doing this, the problem recurs. This
happens even if I just log in and log back out, and try to log in
again.
However, I may just found a better workaround - press ALT-CTRL-F1 then
ALT-CTRL-F7, and then the next chunk of the login sequence occurs.
This makes it consistent with an issue reported in AskUbuntu
http://askubuntu.com/questions/765364/kubuntu-16-04-sddm-login-screen-
hangs
And it's possibly related to bug
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1550779 - because
of the CPU underrun being apparently related to graphics.
In fact, each time I do this, I get a little further in the login
sequence. It appears that the trigger for this bug is likely the
prompts to provide passwords for my various ssh private keys (I have
four). This also includes prompts from the KDE wallet manager for me
to use the KDE wallet - and I don't use that feature.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
Date: Thu Sep 15 07:53:07 2016
DistUpgraded: 2016-05-25 14:07:14,644 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics
Controller [8086:0412] (rev 06) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Xeon E3-1200 v3/4th Gen Core Processor
Integrated Graphics Controller [1043:8534]
InstallationDate: Installed on 2014-07-12 (795 days ago)
InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64
(20140416.1)
MachineType: ASUS All Series
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic
root=UUID=1b9b0c50-d4ac-471c-a09a-0ee1cad092e4 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to xenial on 2016-05-25 (112 days ago)
dmi.bios.date: 01/16/2014
dmi.bios.vendor: ASUSTeK COMPUTER INC. (Licensed from AMI)
dmi.bios.version: 1707
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P9D WS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnASUSTeKCOMPUTERINC.(LicensedfromAMI):bvr1707:bd01/16/2014:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnP9DWS:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: All Series
dmi.product.version: System Version
dmi.sys.vendor: ASUS
version.compiz: compiz N/A
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.67-1ubuntu0.16.04.2
version.libgl1-mesa-dri: libgl1-mesa-dri 11.2.0-1ubuntu2.2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.2.0-1ubuntu2.2
version.xserver-xorg-core: xserver-xorg-core 2:1.18.3-1ubuntu2.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160325-1ubuntu1.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.12-1build2
xserver.bootTime: Thu Sep 15 07:51:50 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 9393
vendor ACI
xserver.version: 2:1.18.3-1ubuntu2.3
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