From: Blaisorblade <blaisorblade@yahoo.it>
To: user-mode-linux-devel@lists.sourceforge.net
Cc: Daniel Nurmi <nurmi@pompone.cs.ucsb.edu>
Subject: Re: [uml-devel] process creep on host FC2, UML 2.4.27
Date: Wed, 12 Jan 2005 21:19:38 +0100 [thread overview]
Message-ID: <200501122119.38790.blaisorblade@yahoo.it> (raw)
In-Reply-To: <20050112190802.GE13602@crow.cs.ucsb.edu>
On Wednesday 12 January 2005 20:08, Daniel Nurmi wrote:
> Greetings,
>
> We're currently running a course using UML to do some kernel
> developement but have run into a confusing snag. Our host machines
> are pretty much stock Fedora (FC2) boxes running kernel
> 2.6.9-1.6_FC2smp and our UML kernels are 2.4.27 (clean kernel source,
> 2.4.27uml patch).
>
> When we start a process under UML, a corresponding kernel thread is
> started on the host (which is normal and to be expected) but when the
> process under UML exits the corresponding host thread does not exit
> (which is not expected). After a short time, of course, the host is
> swamped with thousands of processes, all of which exit cleanly when
> the UML is halted or killed.
>
> I cannot replicate this behaviour on a clean 2.6.7, 2.6.7 SMP, or
> 2.6.8 SMP kernel (on other systems) and our admin tells us that this
> problem did not exist on these same machines running FC1.
>
> If anyone has any input about a cause or fix to this issue, I would be
> greatly appreciative!
This is a FAQ about 2.6.9. There are some patches out there (search for
fix-kill by C. Aker for the 2.4 backport of the fix).
Bye
--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade
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prev parent reply other threads:[~2005-01-12 20:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-12 19:08 [uml-devel] process creep on host FC2, UML 2.4.27 Daniel Nurmi
2005-01-12 20:19 ` Blaisorblade [this message]
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