Date: Mon, 29 Jun 2009 13:58:23 +0200 From: Attilio Rao <attilio@freebsd.org> To: pluknet <pluknet@gmail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: [nfs] process locks in "bo_wwait" on 6.4 Message-ID: <3bbf2fe10906290458v3d57441ar44c4ed8f36c957f@mail.gmail.com> In-Reply-To: <a31046fc0906290329p3e9cff1dwa89c8bb88736fed7@mail.gmail.com> References: <a31046fc0906260944h68eed26bs256dcad1f29871ff@mail.gmail.com> <a31046fc0906260951i66c239e1yfac9048d69784209@mail.gmail.com> <a31046fc0906290329p3e9cff1dwa89c8bb88736fed7@mail.gmail.com>
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2009/6/29 pluknet <pluknet@gmail.com>: > 2009/6/26 pluknet <pluknet@gmail.com>: >> 2009/6/26 pluknet <pluknet@gmail.com>: >>> Hello. >>> >>> While building a module on nfs mounted /usr/src >>> I got an unkillable process waiting forever in bo_wwait. >> >> Small note: iface on NFS server has mtu changed from 1500 to 1450. >> Can this be a source of the problem? > > This is 100% reproducible. Lock in the same place. Any hints? Can you also show the value of ps? A precise map of what processes are doing would give an help. Also would be useful to printout traces for other threads and not only the stucked one. Thanks, Attilio -- Peace can only be achieved by understanding - A. Einstein
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