[TriLUG] X problems (and happy Easter!)

[Neil L. Little]

I see a bug or two listed involving xserver-/xorg/-video-intel

73,
Neil, WA4AZL


Kevin Hunter wrote:
> At 2:08pm -0400 on Thu, 16 Apr 2009, Michael Ham wrote:
>   
>> I am still Having this problem of X freezing. I am running Ubuntu 8.10
>> under gnome.
>>
>> The system was installed fresh, yes. As I said, Xorg is using 99.9% of
>> CPU when this happens, and nothing seems to restore it.
>>     
>
> Have you tried logging in on a virtual terminal?  (Ctrl+Alt+F1)
>
>   
>> I can still SSH in, but all I can do is just restart if I want to use
>> any apps. I imagine other things like mysql and such are still running.
>>     
>
> MySQL?  Is this a server or just a development box?  If it's a server,
> my recommendation is get rid of X.  Seriously.  I've yet to see a good,
> or even decent, justification of a GUI on a *nix based server.
>
>   
>> What can I do here?
>>     
>
> If you can SSH in, then can you not kill Xorg?
>
> $ sudo pkill X
> $ sudo pkill -9 X    # if it "just won't die"
>
> 	or you may prefer the old school method
>
> $ ps waux | grep X11R6 | awk {'print $2'} |    \
> xargs sudo kill
>
> As regards sussing the issue (rather than just applying a bandage) try
> some other command line mojo.
>
> iostat
> vmstat
> less or tail /var/log/{messages,syslog} for awhile
> check other pertinent log files.
>
> Jon already suggested to see if it's caused by any apps that you're
> running.  About a year ago, Pidgin would randomly trigger an X bug in
> Hardy.  Dead lock up.  Couldn't even SSH in.  I don't know what it was,
> but some operation requested by Pidgin triggered it.  I haven't
> encountered that particular bug in awhile, but, the point is, take stock
> of what GUI apps you're running when it happens.
>
> Good luck,
>
> Kevin
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