Return-Path: linux-nfs-owner@vger.kernel.org Received: from ipcop.bitmover.com ([192.132.92.15]:59186 "EHLO mail.bitmover.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752625Ab2JMC4B (ORCPT ); Fri, 12 Oct 2012 22:56:01 -0400 Date: Fri, 12 Oct 2012 19:56:00 -0700 From: Larry McVoy To: "Myklebust, Trond" Cc: Larry McVoy , Linus Torvalds , Bruce Fields , Linux NFS Mailing List Subject: Re: kernel BUG at /build/buildd/linux-3.2.0/fs/lockd/clntxdr.c:226! Message-ID: <20121013025600.GL23247@bitmover.com> References: <20121012211701.GA8301@bitmover.com> <20121013002100.GB23247@bitmover.com> <4FA345DA4F4AE44899BD2B03EEEC2FA9091FDED5@SACEXCMBX04-PRD.hq.netapp.com> <20121013023147.GJ23247@bitmover.com> <4FA345DA4F4AE44899BD2B03EEEC2FA9091FE478@SACEXCMBX04-PRD.hq.netapp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4FA345DA4F4AE44899BD2B03EEEC2FA9091FE478@SACEXCMBX04-PRD.hq.netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sat, Oct 13, 2012 at 02:52:51AM +0000, Myklebust, Trond wrote: > On Fri, 2012-10-12 at 19:31 -0700, Larry McVoy wrote: > > As I've said, debugging this is going to be hard, it means stopping my > > company. We can do one more crash, you guys can tell me what to do, > > but that's about it. > > Do you have a reproducer? Oh yeah, it happens every time. Run skype on a mac w/ your home dir NFS mounted. Skype tries to do some lock operation and the machine panics. We've done it 4 times in a row to be sure we weren't smoking crack. No crack. Just panics. -- --- Larry McVoy lm at bitmover.com http://www.bitkeeper.com