kern/107109: [nfs] Netbeans/Eclipse/Java provoke deadlocks when
used with NFS
Alfred Perlstein
alfred at freebsd.org
Fri Nov 16 08:11:50 PST 2007
* Joerg Lehners <Joerg.Lehners at Informatik.Uni-Oldenburg.DE> [071116 07:00] wrote:
> On Fri, 16 Nov 2007, kmacy at FreeBSD.org wrote:
> >Date: Fri, 16 Nov 2007 02:23:07 GMT
> >From: kmacy at FreeBSD.org
> >To: Joerg.Lehners at Informatik.Uni-Oldenburg.DE, kmacy at FreeBSD.org,
> > freebsd-bugs at FreeBSD.org, alfred at FreeBSD.org
> >Subject: Re: kern/107109: [nfs] Netbeans/Eclipse/Java provoke deadlocks
> >when
> > used with NFS
> >
> >Synopsis: [nfs] Netbeans/Eclipse/Java provoke deadlocks when used with NFS
> >
> >[...]
>
> I just tested against
>
> FreeBSD testido2 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #0: Fri Nov 16
> 14:54:31 MET 2007 root at testido2:/usr/src/sys/i386/compile/JL-TESTIDO2
> i386
>
> and was NOT able to reproduce the problem. Whereas with
>
> FreeBSD tende 6.2-STABLE FreeBSD 6.2-STABLE #0: Mon Jun 11 16:30:26 MEST
> 2007 root at bodensee:/usr/src/sys/i386/compile/JL-FS-neu-SCSI i386
>
> the deadlock showed up after milliseconds.
> So some of the numerous changes made the problem go way.
>
> Do you need a more specific description of the change? It might
> take some time to narrow it down.
This is the change Julian and I worked out for kse where
we no longer call "thread_single" during fork(2) of threaded
processes.
--
- Alfred Perlstein
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