From: "Jesper Juhl" Subject: Re: 2.6.17.8 - do_vfs_lock: VFS is out of sync with lock manager! Date: Wed, 9 Aug 2006 10:07:40 +0200 Message-ID: <9a8748490608090107j6ce7bc2cr2b74cc13b9541f39@mail.gmail.com> References: <9a8748490608080739w2e14e5ceg44a7bf0a3b475704@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: nfs@lists.sourceforge.net, Linux Kernel Mailing List , Trond Myklebust Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list2-new.sourceforge.net with esmtp (Exim 4.43) id 1GAj6O-00072K-D8 for nfs@lists.sourceforge.net; Wed, 09 Aug 2006 01:07:44 -0700 Received: from nf-out-0910.google.com ([64.233.182.190]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1GAj6M-0007F2-BS for nfs@lists.sourceforge.net; Wed, 09 Aug 2006 01:07:44 -0700 Received: by nf-out-0910.google.com with SMTP id a27so66153nfc for ; Wed, 09 Aug 2006 01:07:41 -0700 (PDT) To: "Grant Coady" In-Reply-To: List-Id: "Discussion of NFS under Linux development, interoperability, and testing." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nfs-bounces@lists.sourceforge.net Errors-To: nfs-bounces@lists.sourceforge.net On 09/08/06, Grant Coady wrote: > On Tue, 8 Aug 2006 16:39:54 +0200, "Jesper Juhl" wrote: > > >I have some webservers that have recently started reporting the > >following message in their logs : > > > > do_vfs_lock: VFS is out of sync with lock manager! > > > >The serveres kernels were upgraded to 2.6.17.8 and since the upgrade > >the message started appearing. > >The servers were previously running 2.6.13.4 without experiencing this problem. > >Nothing has changed except the kernel. > > > >I've googled a bit and found this mail > >(http://lkml.org/lkml/2005/8/23/254) from Trond saying that > >"The above is a lockd error that states that the VFS is failing to track > >your NFS locks correctly". > >Ok, but that doesn't really help me resolve the issue. The servers are > >indeed running NFS and access their apache DocumentRoots from a NFS > >mount. > > > >Is there anything I can do to help track down this issue? > > I don't have an answer, but offer this observation: five boxen running > 2.6.17.8 doing six simultaneous > > bzcat /home/share/linux-2.6/patch-2.6.18-rc4.bz2|patch -p1 > > didn't burp. The /home/share/ is an NFS export from another box running > 2.4.33-rc3a, me not sure if this was exercising any NFS locking as the > NFS source file was only opened for non-exclusive read-only. > The NFS server here is running 2.6.11.11 and doesn't seem to be reporting any problems. But I now have two more of my webservers (both running 2.6.17.8) that have started to complain about "do_vfs_lock: VFS is out of sync with lock manager!" I've not found a way to cause the message to be repported at will unfortunately. -- Jesper Juhl Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html Plain text mails only, please http://www.expita.com/nomime.html ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs