Public bug reported:
steps:
1) cold boot (power on)
2) choose boot (grub)
3) login (lightdm)
When logging in, the login rectangle doesn't disappear like it should.
4) Xorg starts
Desktop appears but the outline of the login-rectangle is still there.
Also everything else that is drawn on the screen stays drawn (i.e.
closed windows are still visable, a moved window leaves a "trail") as if
the system "forgets" to erase previously drawn objects.
Strangely enough, the mousepointer doesn't seem to be affected.
5) logout (to lightdm)
or: sudo restart lightdm
or: sudo killall -SIGTERM Xorg
or: sudo reboot
6) login again
Everything is suddenly working as it should ( high order magic ?? )
I have had this problem before with kernels newer than 3.13.0-8 but a
kernel header install followed by a kernel image reinstall would always
fix it.
Since kernel 3.13.0-18 this fix doesn't work anymore.
I assume the problem is (partly) in KMS since it appears in lightdm
(before X starts)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic i686
ApportVersion: 2.13.3-0ubuntu1
Architecture: i386
CurrentDesktop: LXDE
Date: Sat Mar 22 01:15:43 2014
InstallationDate: Installed on 2014-01-04 (76 days ago)
InstallationMedia: Lubuntu 14.04 "Trusty Tahr" - Alpha i386 (20140102)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 trusty
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https://bugs.launchpad.net/bugs/1295900
Title:
lubuntu screen corruption only on cold boot.
Status in “xorg” package in Ubuntu:
New
Bug description:
steps:
1) cold boot (power on)
2) choose boot (grub)
3) login (lightdm)
When logging in, the login rectangle doesn't disappear like it should.
4) Xorg starts
Desktop appears but the outline of the login-rectangle is still there.
Also everything else that is drawn on the screen stays drawn (i.e.
closed windows are still visable, a moved window leaves a "trail") as
if the system "forgets" to erase previously drawn objects.
Strangely enough, the mousepointer doesn't seem to be affected.
5) logout (to lightdm)
or: sudo restart lightdm
or: sudo killall -SIGTERM Xorg
or: sudo reboot
6) login again
Everything is suddenly working as it should ( high order magic ?? )
I have had this problem before with kernels newer than 3.13.0-8 but
a kernel header install followed by a kernel image reinstall would
always fix it.
Since kernel 3.13.0-18 this fix doesn't work anymore.
I assume the problem is (partly) in KMS since it appears in lightdm
(before X starts)
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg 1:7.7+1ubuntu8
ProcVersionSignature: Ubuntu 3.13.0-18.38-generic 3.13.6
Uname: Linux 3.13.0-18-generic i686
ApportVersion: 2.13.3-0ubuntu1
Architecture: i386
CurrentDesktop: LXDE
Date: Sat Mar 22 01:15:43 2014
InstallationDate: Installed on 2014-01-04 (76 days ago)
InstallationMedia: Lubuntu 14.04 "Trusty Tahr" - Alpha i386 (20140102)
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
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