Xorg freezes, crashes, locks, shoots and leaves

[Gene Smith]

Andrea Giuliano wrote, On 09/06/2004 04:26 AM:
> Dear Gene,
> 
> I know your problem very well! Anyway, after having X freezing the 
> system for several months, at present it doesn't happen any more. It's 
> hard to say way.
> 
> I only can suggest you to add the following lines to xorg.conf:
> 
> Section "ServerFlags"
>    Option        "AllowDeactivateGrabs" "true"
>    Option        "AllowClosedownGrabs" "true"
> EndSection
> 
> They allow you to use C-A-K-* and C-A-K-/ to try to unlock X in some 
> situations (see man xorg.conf for a few detail). To avoid 
> misunderstandings, please note that C-A-K-* means "Control, Alt, Keypad 
> *" pressed together.

Ctrl-alt-backspace, I thought, was supposed to kill X by default (unless 
disabled somehow). Have not tried ctrl-alt-bspace with working fc2 
system. Perhap it is different with new xorg and you need the above Section?

I will read the man put these in my file and see what happens. Thanks.

> 
> This could be a start to investigate what is happening to your system. I 
> would not be very optimistic, but at least you can try, it's very easy. 
> Remember to restart your X server after the changes above.
> 
> Best regards... and good luck!!!
> 
> Gene Smith wrote:
> 
>> Maybe there is something wrong with my computer, I don't know, but it 
>> passes the overnight test of memtest86 from the fc 2 cd and fsck.
>>
>> The problem is that X seems to just freeze up at random times. 
>> Sometimes it goes for days with no problem. Sometimes it is twice in 
>> one day, like today. It also seems to be more frequent (possibly) with 
>> the latest kernel 2.6.8-1.521 (and I have kept completely updated with 
>> yum).
>>
>> My driver is the default nvidia for a GeForce3 Ti 200 card and system 
>> is 500Mhz Athlon with 384M memory. It has run other linux systems for 
>> years with no problem, e.g., RH 7.2, Debian.
>>
>> By "freeze" I mean the keyboard and mouses button do nothing, only the 
>> mouse cursor moves. The system does not really crash. The freeze is 
>> never associated with doing any particular thing, AFAICT.
>>
>> I can go run vncviewer from another box and it comes up and works 
>> fine. After "killall -9 X" I can then login again and it goes again. I 
>> have seen this with KDE and GNOME (but I typically just run KDE).
>>
>> I have been having this problem during fc2 test and after clean 
>> install of fc2. See my previous message on this list, Subject "X lock 
>> / crash + slowdowns - fc2" and possibly others where I have mentioned 
>> this.
>>
>> I have no screen saver active.
>>
>> Any idea what could be causing this or how I can troubleshoot it? Or 
>> is it a continuing bug in fc2 or Xorg?
>>
>> Tks,
>> -gene
>>
>>
>>
>>
> 
>