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Re: [Qemu-devel] QEMU refusing to die on FreeBSD host
From: |
Juergen Lock |
Subject: |
Re: [Qemu-devel] QEMU refusing to die on FreeBSD host |
Date: |
Sat, 19 Apr 2008 17:21:47 +0200 |
User-agent: |
Mutt/1.5.16 (2007-06-09) |
On Mon, Apr 07, 2008 at 09:14:20PM +0200, Juergen Lock wrote:
> In article <address@hidden> you write:
> >Juergen Lock wrote:
> >> On Sun, Apr 06, 2008 at 12:55:39AM -0400, Jake Myers wrote:
> >>
> >>> Hello,
> >>>
> >>> On FreeBSD 7-STABLE, qemu refuses to exit even after the window is
> >>> closed.
> >>> It is stuck so badly that even kill -9 fails to stop it. I looked in top
> >>> to
> >>> see what it was doing that would cause it to lock so badly:
> >>>
> >>> PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND
> >>> 34859 root 1 -8 20 433M 416M devdrn 9:49 0.00% qemu
> >>>
> >>> I believe the problem is that qemu for some reason refuses to stop trying
> >>> to use the kqemu device.
> >>>
> >>> I am running the latest qemu (0.9.1). I can provide a backtrace on
> >>> request
> >>> (I'm really busy right now with other things, so I didn't have time to
> >>> attach one).
> >>>
> >>
> >> Yeah this looks like its the same FreeBSD 7.x/SMP issue that I already
> >> got reports of (refcount problem, similar to what has already been fixed
> >> once, only this time it seems to be a race...)
> >>
> >> If it is, you should be able to work around it by using an uniprocessor
> >> host kernel until a fix is known.
> >>
> >> Sorry...
> >> Juergen
> >>
> >>
> >>
> >>
> >I disabled SMP in my kernel, rebuilt the kqemu module, and tried to run
> >it again. The same issue occurs.
>
> Hmm okay, then its not an SMP issue, thanks for the information!
> [...]
OK, I just committed a fix, please try updating your kqemu port and
tell me if it works for you then.
Thanx,
Juergen