init 3 problems: xorg spikes to 100% cpu

[Adam Jackson]

Justin Conover wrote:
> On 10/3/06, Adam Jackson <ajackson at redhat.com> wrote:
>>
>> Michal Jaegermann wrote:
>> > On Tue, Oct 03, 2006 at 11:13:05AM -0500, Justin Conover wrote:
>> >> Running *init 3* from gnome-terminal, sends Xorg to 100% cpu
>> utilization and
>> >> never drops to init 3.
>> >
>> > Does it make a difference is you will do 'telinit 3'?  A section
>> > CHANGING RUNLEVELS in 'man init' explicitely talks about telinit.
>>
>> The same man page also mentions how, for any instance of the program
>> where getpid() != 1, it acts like telinit.
>>
>> As with any program that hits 100% CPU usage, ssh in, attach to it with
>> gdb, get a backtrace, find out where it's spinning.
>>
>> - ajax
>>
>> -- 
> 
> 
> I will give that a go tomorrow.  I'm not that famillar with gdb and getting
> backtrace's, can you list what I should do.

su -
yum install xorg-x11-server-debuginfo (plus relevant driver debuginfo)
gdb `which Xorg` `pidof Xorg`

and at the (gdb) prompt, type 'bt'.

- ajax