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Re: [bug #26585] Assertion failure when signaling zombie pthread


From: Carl Fredrik Hammar
Subject: Re: [bug #26585] Assertion failure when signaling zombie pthread
Date: Sun, 17 May 2009 13:01:26 +0200
User-agent: Mutt/1.5.18 (2008-05-17)

Hi,

On Sun, May 17, 2009 at 04:51:32AM +0200, olafBuddenhagen@gmx.net wrote:
> 
> On Fri, May 15, 2009 at 12:35:20PM +0000, Carl Fredrik Hammar wrote:
> 
> > After this, the program hangs and doesn't respond to any signals other
> > than SIGKILL.  My guess is that signal handling has been disabled and
> > it hangs while waiting for the abort signal to be handled.
> > 
> > Also ps stops working after this and hangs without outputting
> > anything.  So the proc server might also be affected.
> 
> That last part is expected: ps queries the processes for certain
> information; if the signal thread of a process doesn't work, this query
> hangs.
> 
> Use ps -M to avoid the query.

Ok, thanks for the info.  This makes the test a little less dangerous,
in that you can find out the PID of the test and kill it from another
terminal if you forget to background it.

Regards,
  Fredrik




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