Bug#546609: xserver-xorg: Blank screen if switching from vt7 to vt1 and back to vt7, after kdm login

Boris Shtrasman boris.shtrasman at gmail.com
Mon Sep 14 12:26:27 PDT 2009

Hash: SHA1

Brice Goglin wrote:
> Boris shtrasman wrote:
>> Package: xserver-xorg
>> Version: 1:7.4+4
>> Severity: critical
>> Justification: breaks the whole system
>> Happen starting from 7.4 (i tested it with 7.3 where it didn't happen).
>> Happens only after login to kdm / gdm :
>> Tested before login works as a charm.
>> after kde login if i switch to any non graphical vt (1-6) and then back
>> to vt7 i got blank screen.
>> sysrq+k/b dosn't work (no affect).
>> alt+ctrl+del also dosn't work
>> nothing that i can do except manually shutdown down the pc (power button).
> Can you ping the machine from another machine ? If so, can you log in
> through ssh and attach a gdb to see what the server is doing?
> Brice
Sorry , can't i don't have access to more machines (only one pc to my
Is there a way that i could record the state ?
for instance start some app that will record / the state using GDB ?

- --
 ------------ Boris Shtrasman -----------------
|Gnu/Linux Software developer                  |
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