F11: kill -9 doesn't work

Bill Davidsen davidsen at tmr.com
Fri Jul 24 21:40:13 UTC 2009


Terry Barnaby wrote:
> On 07/22/2009 02:07 PM, Paul W. Frields wrote:
>> On Wed, Jul 22, 2009 at 01:02:09PM +0100, Terry Barnaby wrote:
>>> Hi,
>>>
>>> I have noticed on several occasions, that running "kill -9<pid>" on
>>> a GUI 3D process that is locked at 100% CPU usage (X-Server 100% also)
>>> does not work. The 100% lockup I'm sure is due to the currently buggy
>>> 3D support (ATI in my case), but I am surprised that I cannot kill
>>> either the GUI or X processes. Only a reboot appears to work.
>>>
>>> Has something changed here ??
>>
>> If you provide more details, such as the actual process you're
>> running, people might be able to try to duplicate the problem.  I've
>> never seen an occasion where kill -9 didn't work, but that doesn't
>> mean it's not possible with some horribly written code.
>>
> The system in question is a dual Xeon system running Fedora-11 with all 
> updates
> to 2009-07-22. Graphics board is an ATI RV280 [Radeon 9200 PRO].
> I have some applications installed from rpmfusion including paraview.
> 
> Currently if I run paraview, X goes to 100% and I can no longer
> operate the system via mouse/keyboard. Via a network login I
> can "killall -9 X" but that does nothing to X. I have also
> tried killing paraview in the same way with no effect (possibly
> after trying to kill X).
> 
I hope this is a typo, process "X" is long gone, the X process is called "Xorg" 
now. I assume you had a finger check and actually killed the real X process.

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot




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