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SubjectRe: Q: straced processes don't go away
On Thu, Nov 15, 2001 at 08:39:30AM +0100, kees wrote:

| In my attempts to find the problem with the tun device I did
| a couple of strace sessions.
|
| My processlist now shows a couple of unkillable (kill -KILL )
| processes:
|
| 444 0 24239 1 9 0 0 0 do_exi RW ? 0:00
| [vtund]
| 444 0 24305 1 8 0 0 0 do_exi RW ? 0:00
| [vtund]
| 444 0 24880 1 9 0 0 0 do_exi RW ? 0:00
| [vtund]
|
| kernel 2.4.14 with 2.4.15-pre3 applied

I've been debugging some timer bugs in a daemon library I'm developing
and have been stracing it. Among many things done are a variety of
kills, including -KILL, -INT, -TERM and -HUP, while being straced.
When I do the kill, I see strace output showing the events correctly
and in the case of -KILL the process definitely goes away.

This is with kernel 2.4.13. So this is not a broad problem and may be
specific to states vtund is in, or changes since 2.4.13, or both.

--
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| Phil Howard - KA9WGN | Dallas | http://linuxhomepage.com/ |
| phil-nospam@ipal.net | Texas, USA | http://phil.ipal.org/ |
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