Help with debuging Xserver / Goes in an infinite loop

[Joshua C.]

2009/10/5 Adam Jackson <ajax at redhat.com>:
> On Sat, 2009-10-03 at 17:13 +0200, Joshua C. wrote:
>> I have a problem with my xorg-x11-server-Xorg-1.6.4-0.1.fc11.x86_64. I
>> read the instructions here
>> http://www.x.org/wiki/Development/Documentation/ServerDebugging but
>> this didin't help. My Xserver goes in an infinite loop and starts
>> consuming 100% my cpu. Therefore the whole system freezes and I have
>> to manually reboot it. This happens all the time when I use firefox on
>> random sites. After restart there is nothing in the xorg.0.log and
>> everything repeats itself when I start firefox again. Therefore I need
>> to remove the savesession.js from the firefox home directory.
>>
>> On the second mashine I also turned this on: handle SIGUSR1 nostop,
>> handle SIGUSR2 nostop, handle SIGPIPE nostop.
>>
>> The Xserver just keeps running and I get no messages on the second
>> mashine. How to debug it?
>
> I wouldn't expect you to get messages on the second machine.  If you're
> using 100% of the CPU it's because you're busy doing something _other_
> than printing to the log.
>
> What does 'bt' in gdb show?
>
> - ajax
>
>
>
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When should I issue this command? After attaching gdb and sending the
handle options I type in cont and the server keeps going until it
freezes the mashine. No other messages are reported.


PS: I thought this isn't the right place for this question and
reposted it on the xorg-devel at lists.x.org.