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Date:      Tue, 27 Aug 2013 17:00:14 +0300
From:      Daniel Braniss <danny@cs.huji.ac.il>
To:        Rick Macklem <rmacklem@uoguelph.ca>
Cc:        freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: another? NFS deadlock on 9.2-PRERELEASE
Message-ID:  <E1VEJoc-000IG5-1b@kabab.cs.huji.ac.il>
In-Reply-To: <1740270726.14074212.1377605362382.JavaMail.root@uoguelph.ca>
References:  <1740270726.14074212.1377605362382.JavaMail.root@uoguelph.ca>

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> Daniel Braniss wrote:
> > > Daniel Braniss wrote:
> > > > I upgraded our web server, and only after 3 hours it hung :-(
> > > > (as a side note, I have 2 other web servers, also running 9.2
> > > > doing
> > > > great :-)
> > > > go figure.
> > > > 
> > > > anyways, in
> > > > 	ftp://ftp.cs.huji.ac.il/users/danny/freebsd/core.txt/0
> > > > 
> > > > is the info after a forced panic.
> > > > 
> > > Looks like the same hang to me. Several threads are sleeping on
> > > "pgrbwt"
> > > and lots are waiting for an NFS vnode lock.
> > > 
> > > It should be fixed in RC3 (or revert r250907). If it still hangs
> > > with
> > > RC3 (or r250907 reverted), email again.
> > > 
> > im following stable, hence it's till calling itself 9.2-PRERELEASE,
> > but
> > I did a sync this morning - local time, after rc3 was anounced.
> > but after 3.45 minutes is hung, data in
> > 	ftp://ftp.cs.huji.ac.il/users/danny/freebsd/core.txt/1
> > 
> > I can't easely revert r250907, since i'm using mercuriall, but if
> > someone
> > can send me the pre r250907 files, i'll try.
> > 
> r254947, which was committed to stable/9 a few hours ago is believed to
> fix the problem. Please update your stable/9 to post-r254947 and try it.
> 
the current kernel has that fix (sys/kern/uipc_syscalls.c)
and if you check the core.txt/1 you will see no pgrbwt, only newnsf ...

danny

> rick
> 
> > thanks,
> > 	danny
> > 
> > > rick
> > > 
> > > > my guts say its running out of resources - mainly network
> > > > related,
> > > > but
> > > > can't pinpoint it.
> > > > 
> > > > any help will be most welcomed
> > > > 
> > > > cheers,
> > > > 	danny
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > 
> > 
> > _______________________________________________
> > freebsd-stable@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-stable
> > To unsubscribe, send any mail to
> > "freebsd-stable-unsubscribe@freebsd.org"
> > 





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