[torqueusers] Re: kill_delay

Chris Samuel csamuel at vpac.org
Tue Feb 27 15:29:47 MST 2007


On Wed, 28 Feb 2007, Garrick Staples wrote:

> But why loop over SIGKILL?  It is untrappable and will eventually be
> delivered even if the process is stuck in IO wait.

Should eventually be delivered, but certainly there has been a Linux kernel 
bug in the past that could cause the process not to receive SIGKILL.. :-(

http://lkml.org/lkml/2005/5/23/22

>>>we experienced some interesting behaviour with an out of
>>>memory condition caused by signal handling (on s390x).
>>>The following program ran our system in an OOM situation
>>>and couldn't be killed because the SIGKILL signal couldn't
>>>be delivered.

-- 
 Christopher Samuel - (03)9925 4751 - VPAC Deputy Systems Manager
 Victorian Partnership for Advanced Computing http://www.vpac.org/
 Bldg 91, 110 Victoria Street, Carlton South, VIC 3053, Australia



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