To: linux-kernel@vger.kernel.org
Subject: Re: unkillable process
References: <1097731227.2666.11264.camel@cube>
From: Johan Kullstam <kullstj-ml@comcast.net>
Organization: none
Date: 14 Oct 2004 08:26:08 -0400
In-Reply-To: <1097731227.2666.11264.camel@cube>
Message-ID: <87r7o1h4f3.fsf@sophia.axel.nom>
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Albert Cahalan <albert@users.sf.net> writes:

> It's really bad when a task group leader exits.
> The process becomes unkillable.

I have been having zombie problems since 2.6.9-rc1.  I run a boinc
climateprediction program (related to seti@home) which leaves defunct
"cp" processes about.  Killing the climatepredictor (called
hadsm3um_4.03_i686-pc-linux-gnu) which spawns them causes these zombie
cp things to get reaped.

> This is with the 2.6.8-rc1 kernel. I haven't seen
> any mention of this getting fixed since then.
> Here's the top of the /proc/*/status file:

I tried it with 2.6.9-rc3 just now and it doesn't make zombies for
me.

climateprediction still makes defunct cp.

(I fired up 2.6.9-rc4 but it somehow wouldn't load the driver for my
ethernet 3c59x.  That's another issue, but I have no idea if the
problem has been fixed there since I am stopped by another problem.)

I skimmed over the changelogs but I have found anything looking like a
change in this area.  I am not sure what the right keyword(s) to
search for on this topic would be.  I didn't grovel through them yet,
but perhaps someone on the list knows what is going on.

-- 
Johan KULLSTAM
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