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Message #111140
[Bug 1434036] Re: ubuntu MATE 15.04 PPC/Lubuntu 15.04 PPC Xorg: Only black screen with blink cursor after update
I installed the display manager "slim". It started and I could login.
But I have the same errors with the MATE desktop like on QEMU. Some
colors are wrong on the ubuntu MATE desktop. I can't use the mate-panel.
If I click on the panel (menu, icons etc) then nothing happens. The mate
panel and the mate taskbar starts again and again. And there is a blank
error message in the middle of the desktop. I installed lightdm again
and I downgraded the Xorg packages again. Everything works without any
problems again.
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https://bugs.launchpad.net/bugs/1434036
Title:
ubuntu MATE 15.04 PPC/Lubuntu 15.04 PPC Xorg: Only black screen with
blink cursor after update
Status in lightdm-gtk-greeter package in Ubuntu:
New
Status in xorg-server package in Ubuntu:
Confirmed
Status in xserver-xorg-video-ati package in Ubuntu:
Confirmed
Status in xserver-xorg-video-fbdev package in Ubuntu:
Confirmed
Bug description:
Hi All,
We updated ubuntu MATE 15.04 and Lubuntu 15.04 on our PowerPC
computers (Power Mac G5 Quad and AMIGA one X1000) last week. Synaptic
told us that it want to remove xserver-xorg-video-radeon and xserver-
xorg-video-ati. But there are new versions available (xserver-xorg-
video-radeon 1:7.5.0-1ubuntu2 and xserver-xorg-video-ati
1:7.5.0-1ubuntu2). Synaptic removed both old packages and Xorg didn't
work after that. I selected both new packages and updated them
manually. After a restart I had a black screen with a blink cursor.
There aren't any error messages in the log file '/var/log/Xorg.0.log'
but I found some error messages in the log file '/var/log/syslog':
. Exiting.
Mar 19 11:45:41 ubuntu systemd[1]: lightdm.service: main process exited, code=exited, status=1/FAILURE
Mar 19 11:45:41 ubuntu systemd[1]: Unit lightdm.service entered failed state.
Mar 19 11:45:41 ubuntu systemd[1]: lightdm.service failed.
Mar 19 11:45:41 ubuntu systemd[1]: lightdm.service holdoff time over, scheduling restart.
Mar 19 11:45:41 ubuntu systemd[1]: Starting Light Display Manager...
Mar 19 11:45:41 ubuntu systemd[1]: Started Light Display Manager.
Mar 19 11:45:41 ubuntu lightdm[20218]: initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
Mar 19 11:45:42 ubuntu systemd[1]: Started Session c109 of user lightdm.
Mar 19 11:45:42 ubuntu systemd[1]: Starting Session c109 of user lightdm.
Mar 19 11:45:42 ubuntu lightdm[20218]: ** (lightdm:20218): WARNING **: Error using VT_WAITACTIVE 7 on /dev/console: No such device or address
Mar 19 11:45:43 ubuntu kernel: lightdm-gtk-gre[20251]: unhandled signal 11 at 00000000 nip 6f4e61c4 lr 6f4e619c code 30001
Mar 19 11:45:44 ubuntu org.gtk.vfs.Daemon[20250]: A connection to the bus can't be made
Mar 19 11:45:44 ubuntu org.gtk.vfs.Daemon[20250]: g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0). Exiting.
Mar 19 11:45:44 ubuntu systemd[1]: lightdm.service: main process exited, code=exited, status=1/FAILURE
Mar 19 11:45:44 ubuntu systemd[1]: Unit lightdm.service entered failed state.
Mar 19 11:45:44 ubuntu systemd[1]: lightdm.service failed.
Mar 19 11:45:44 ubuntu systemd[1]: lightdm.service holdoff time over, scheduling restart.
Mar 19 11:45:44 ubuntu systemd[1]: Starting Light Display Manager...
Mar 19 11:45:44 ubuntu systemd[1]: Started Light Display Manager.
Mar 19 11:45:44 ubuntu lightdm[20381]: initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
Mar 19 11:45:45 ubuntu systemd[1]: Started Session c110 of user lightdm.
Mar 19 11:45:45 ubuntu systemd[1]: Starting Session c110 of user lightdm.
Mar 19 11:45:45 ubuntu lightdm[20381]: ** (lightdm:20381): WARNING **: Error using VT_WAITACTIVE 7 on /dev/console: No such device or address
Mar 19 11:45:46 ubuntu kernel: lightdm-gtk-gre[20414]: unhandled signal 11 at 00000000 nip 6f4e61c4 lr 6f4e619c code 30001
Mar 19 11:45:46 ubuntu org.gtk.vfs.Daemon[20413]: A connection to the bus can't be made
Mar 19 11:45:46 ubuntu org.gtk.vfs.Daemon[20413]: g_dbus_connection_real_closed: Remote peer vanished with error: Underlying GIOStream returned 0 bytes on an async read (g-io-error-quark, 0)
------------------------------------------------------------------------------
I installed Upstart again but unfortunately it didn't solve the
problem with the black screen and the blink cursor.
The temporary solution is to downgrade Xorg:
sudo dpkg -i xserver-xorg-core_1.16.0-1ubuntu1.3_powerpc.deb
sudo dpkg -i xserver-xorg-video-radeon_7.4.0-2ubuntu2_powerpc.deb
sudo dpkg -i xserver-xorg-video-ati_7.4.0-2ubuntu2_powerpc.deb
I created a package with all debs and Mesa libs for the downgrade last
week.
Download:
http://www.xenosoft.de/Xorg_and_unofficial_Mesa_for_ubuntu_MATE_15.04_AMIGA_one_X1000.tar.gz
Further information: http://ubuntuforums.org/showthread.php?t=2264322
PLEASE help us.
Thanks in advance.
Cheers,
Christian
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References