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Date:      Tue, 24 Jun 2003 15:16:56 -0400
From:      Michael Edenfield <kutulu@kutulu.org>
To:        Julian Elischer <julian@elischer.org>
Cc:        current@freebsd.org
Subject:   Re: Unkillable processes with libKSE
Message-ID:  <20030624191656.GA30891@basement.kutulu.org>
In-Reply-To: <Pine.BSF.4.21.0306241146100.93424-100000@InterJet.elischer.org>
References:  <20030624172331.GA30306@basement.kutulu.org> <Pine.BSF.4.21.0306241146100.93424-100000@InterJet.elischer.org>

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* Julian Elischer <julian@elischer.org> [030624 14:47]:

> > I had the same experience just running the KSE test application from=20
> > /usr/src/tools last night.  I ended up with three unkillable ksetest=20
> > applications and ultimately rebooted to get rid of them.  I was=20
> > planning to report it as soon as I finished reading my email :)
>=20
> "Interesting"..
>=20
> I'll check on my testd machine..
> the test program responded to ^C as of a few days ago..

I just rebuilt my system to see if the problem had perhaps been=20
solved, but it's still doing it.  It doesn't cause any problems (the=20
process doesn't look like it's doing anything, just not going away) so=20
I am gonna just let the processes sit there.

root@basement:/usr/src/tools/KSE/ksetest# ./ksetest
main() : 0x804c000
eip -> 0x280c06b3
uts() at : 0x8048e20
uts stack at : 0x814d000 - 0x8155000
main() : 0x804c400
eip -> 0x280c06b3
uts() at : 0x8048e20
uts stack at : 0x8255000 - 0x825d000
thread_start() : 0x804c800 804c800
thread_start() : 0x826d000 826d000
kse_create() -> 0
+-kse_create() -> -1
main() : 0x826d800
eip -> 0x280c06b3
uts() at : 0x8048e20
uts stack at : 0x837e000 - 0x8386000
main() : 0x826dc00
eip -> 0x280c06b3
uts() at : 0x8048e20
uts stack at : 0x8486000 - 0x848e000
thread_start() : 0x848e000 848e000
thread_start() : 0x848e800 848e800
thread_start() : 0x84af000 84af000
kse_create() -> 0
A*.kse_create() -> -1
[...]
*R*.S.*T*.^C^D^Z

(no response on this tty, so I close it).

On another tty I get this:

root@basement:/home/kutulu# ps x | grep ksetest
30947  p2  RL-    0:00.12 ./ksetest
30947  p2  RL-    0:00.12 ./ksetest
30947  p2  TL-    0:00.12 ./ksetest
root@basement:/home/kutulu# kill -KILL 30947
root@basement:/home/kutulu# ps x | grep ksetest
30947  p2  RL-    0:00.12 ./ksetest
30947  p2  RL-    0:00.12 ./ksetest
30947  p2  TL-    0:00.12 ./ksetest
root@basement:/home/kutulu# top

[...]
30947 root      76    0  5760K   628K WAIT     0:00  0.00%  0.00% ksetest
30947 root       8    0  5760K   628K RUN      0:00  0.00%  0.00% ksetest
30947 root       8    0  5760K   628K RUN      0:00  0.00%  0.00% ksetest
[...]

I don't have DDB in this kernel at the moment (it's remote and I
prefer the crash dumps) but I can put it in and try again if there's=20
something you can use from it.

--Mike

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