Public bug reported:
Note: this occurs when booting the 14.04 desktop installer ISO as well,
not just on the installed system. Booting any of 13.10, 12.04 or Fedora
20 does not exhibit the same problem on the same machines.
For the installed system, after logging in, the desktop comes up and
works for a few seconds (~10) and then the screen goes blank (and
switches to power save). Switching (Ctl-Alt-1) to a text console and
back will sometimes bring the graphics display back, and sometimes
won't. When the display is restored, it exhibits one or more of the
following:
- popup "could not switch the monitor configuration, could not set the
configuration for CRTC 63"
- executing "xrandr" (no arguments) causes the display resolution to
flip between 1280x1024 and 1440x900
- works for a short while, then goes black again
Examination of the Xorg.0.log shows that during the initial blank screen
time, X is rapidly cycling back and forth between those two resolutions:
[ 37.124] (II) intel(0): resizing framebuffer to 1280x1024
[ 37.128] (II) intel(0): switch to mode 1280x1024@76.0 on VGA1 using pipe 0,
position (0, 0), rotation normal, reflection none
[ 37.476] (II) intel(0): resizing framebuffer to 1440x900
[ 37.476] (II) intel(0): switch to mode 1440x900@59.9 on VGA1 using pipe 0,
position (0, 0), rotation normal, reflection none
[ 37.784] (II) intel(0): resizing framebuffer to 1280x1024
[ 37.785] (II) intel(0): switch to mode 1280x1024@76.0 on VGA1 using pipe 0,
position (0, 0), rotation normal, reflection none
[...]
This has occurred with two machines (with similar hardware, Intel Core 2
Duo with embedded graphics) connected to a particular monitor (a Lenovo
L194, 4434-HB6).
% apt-cache policy xorg
xorg:
Installed: 1:7.7+1ubuntu8
Candidate: 1:7.7+1ubuntu8
Version table:
*** 1:7.7+1ubuntu8 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
I'm not sure if the EDID is included in the debug stuff; if not, here it is:
% xrandr --prop
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 32767 x 32767
VGA1 connected primary 1280x1024+0+0 (normal left inverted right x axis y axis)
410mm x 257mm
EDID:
00ffffffffffff0030ae521101010101
131201036c291a78eee5b5a355499927
135054afcf10314681c0818a818c8190
9500950f714f9a29a0d0518422305098
36009a011100001c000000fc004c3139
3420576964650a202020000000fd0032
4c1e510e000a202020202020000000ff
0036563644323531380a20202020006f
1440x900 59.9 + 75.0
1280x1024 76.0* 75.0 72.0 70.0
1152x864 75.0
1280x720 60.0
1024x768 75.1 70.1 60.0
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.0 60.0
720x400 70.1
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-27.50-generic 3.13.11
Uname: Linux 3.13.0-27-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Jun 6 17:13:33 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation 4 Series Chipset Integrated Graphics Controller [8086:2e32]
(rev 03) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:305d]
InstallationDate: Installed on 2014-05-28 (9 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: LENOVO 0829F3U
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-27-generic
root=UUID=97f50aaf-f549-4fcd-8135-3f6fdafd3737 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/21/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 90KT15AUS
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: To be filled by O.E.M.
dmi.board.vendor: LENOVO
dmi.board.version: To be filled by O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnLENOVO:bvr90KT15AUS:bd07/21/2010:svnLENOVO:pn0829F3U:pvrThinkCentreM70e:rvnLENOVO:rnTobefilledbyO.E.M.:rvrTobefilledbyO.E.M.:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: 0829F3U
dmi.product.version: ThinkCentre M70e
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.11+14.04.20140409-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.0-4ubuntu5
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.0-4ubuntu5
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Fri Jun 6 17:10:24 2014
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Power Button KEYBOARD, id 7
input CHESEN PS2 to USB Converter KEYBOARD, id 8
input CHESEN PS2 to USB Converter KEYBOARD, id 9
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 4434
vendor LEN
xserver.version: 2:1.15.1-0ubuntu2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug compiz-0.9 trusty ubuntu
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https://bugs.launchpad.net/bugs/1327466
Title:
on login, X goes to blank screen, regression in 14.04
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