Installing updates on 8.04 => no GUI

[Vadim Radionov]

Hello,

Yesterday i installed some proposed packages updates on 8.04 and today,
trying to boot, the graphic login prompt fails to load. Everything starts as
usual, the logo appears and the progress bar grows, then switches to text
mode (last line saying: "Running local boot scripts (/etc/rc.local) [OK]").
Then it tries to switch to graphics mode, but nothing appears and soon it
falls back to text. This happens a couple of times.

Then the blue text screen appears saying: "The display serves has been shut
down about 6 times in the last 90 seconds. It is likely that something bad
is going on. Waiting for 2 minutes before trying again on display :0"

syslog contains a sequence of pairs:

gdm[5825]: WARNING: gdm_cleanup_children: child 9049 crashed of signal 6
gdm[5825]: WARNING: gdm_cleanup_children: Slave crashed, killing its
children
gdm[5825]: WARNING: gdm_cleanup_children: child 9201 crashed of signal 6
gdm[5825]: WARNING: gdm_cleanup_children: Slave crashed, killing its
children
...

How can it be fixed?

Thanks you in advance,

Vadim
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