Date: Fri, 5 Nov 2010 10:27:09 -0700 From: Josh Carroll <josh.carroll@gmail.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: kib <kib@freebsd.org>, freebsd-stable@freebsd.org, jhb@freebsd.org Subject: Re: NFS deadlock (unkillable nfsd and no mounts work) Message-ID: <AANLkTi=_T5CcTrr%2BdMv90UpQr32=X=si5cNr_A0rua6X@mail.gmail.com> In-Reply-To: <1984713101.142889.1288963447940.JavaMail.root@erie.cs.uoguelph.ca> References: <AANLkTikHKAL4m_fHjnoJBwFkD7xwKpa92uHLkMzzvm2p@mail.gmail.com> <1984713101.142889.1288963447940.JavaMail.root@erie.cs.uoguelph.ca>
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>> I'm having a problem with nfsd hanging and not serving mount points, >> during which time it can not not be killed. This problem started >> happening sometime after November 2nd, since kernel from 11/2 sources >> does not exhibit this problem. > > Please try the attached patch, rick Thanks! I had to manually patch for some reason, but I can confirmed that nfsd is now well-behaved with your patch applied. I tested a couple of different mounts and played two separate files on the Popcorn Hour (one lower bitrate, the other higher bitrate) and both played without a hiccup. While those were playing I also was able to automount my home directory on the macbook and move around my home directory. So it looks like this patch did the trick. Thanks Rick, really appreciate the fast response. Is there a reason why this doesn't seem to be getting reported a lot? What is particular in my setup that broke it? > ps: Starting about Monday I won't be able to do commits for about 3 weeks > =A0 =A0so, if this patch works, could someone else please commit it, than= ks, > =A0 =A0rick > If someone can commit this, I'd really appreciate it. I will report back if I notice any problems, but I imagine this would probably get fixed in HEAD first, then MFC'd anyway, right? Unless this is already fixed in HEAD. Anyway, thanks again Rick! I appreciate it. Regards, Josh As far as I can tell, there have been no adverse effects or regressions with the kernel built with this patch (I had t
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