Public bug reported:
Binary package hint: gdm
Ubuntu 10.04
GDM 2.30.0-0ubuntu5
On 07/05/2010, I upgraded from Ubuntu 9.10 to 10.04.
When I tried to boot, I had problems at the login screen:
I get either of the following:
. A locked screen with no mouse or keyboard capability. So I press & hold the
start button for 6 seconds to stop the PC.
. The screen is not initially locked, but after I select my user & try to enter
my password, It either locks up as above or it locks up & keeps looping through
saying the user/PW combination is not valid (sometimes filling the PW line with
dots).
Once, it worked perfectly!?
So, from then on, I booted using the fail-safe mode.
The install went reasonably well. I did not take the option to include
updates at the same time.
I did accept to allow the upgrade tool to delete all suggested files (I
don't know what most of them were for, but I was happy to get rid of a
lot of old kernels, etc.). This deletion may have been the reason for my
subsequent problems.
I thought that the missing updates would help, so allowed those to be
installed, but the problems persisted.
>From reading other posts, I gained the impression that this login
problem may be caused by the graphics driver.
I am not a skilled Linux user, even though I have been using Ubuntu for
4 years. Some of the following comments may suggest that I know what I
am doing, but I don't, & have been spending many hours searching for a
solution over the past week.
I now know that I have a 5-year-old ATI graphics card. However, at one
stage during the boot, it said to configure an NVidia graphics driver.
This didn't help.
Hardware Driver didn't help, as it merely comments "No proprietary
drivers are in use on this system".
I tried to work out what was wrong with the graphics driver, & soon
realised that it was set up for the wrong card type.
After lots of searching files, I thought fglrx might be the solution, &
downloaded that (even though ATI said that the legacy cards support
stopped over 1 year ago). It didn't help.
I then noticed that there was no /etc/x11/xorg.conf, only backups &
failsafe.
So I copied failsafe to xorg.conf, & changed the driver to "radeon".
This didn't help.
I did try the "reconfigure graphics" option that comes up when using the
fail-safe mode.
I changed the driver to “fbdev”, but this didn't help the login problem,
so I changed it back to "radeon". I still have HD graphics (from using
the failsafe boot), so I think that I will stay with "radeon", as it
seems to be the right driver.
[The other problem that I had had is that there was no network
connection for 2 days. I use a cable connection, but instead of the
"wired" icon on the top right corner, I had the "wireless" icon!? from
checking on my Mythbuntu (9.10) PC, I determined that there was nothing
wrong with my router or modem or ISP...]
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: gdm 2.30.0-0ubuntu5
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic i686
Architecture: i386
Date: Sat May 15 08:41:25 2010
ProcEnviron:
LANG=en_AU.utf8
SHELL=/bin/bash
SourcePackage: gdm
** Affects: gdm (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 lucid
--
Login screen locks up; mouse & keyboard are disabled
https://bugs.launchpad.net/bugs/580755
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