From: Benjamin LaHaise Subject: Re: RedHat Rawhide Kernels Date: Thu, 8 Aug 2002 17:27:29 -0400 Sender: nfs-admin@lists.sourceforge.net Message-ID: <20020808172729.J28223@redhat.com> References: <20020808153331.F28223@redhat.com> <20020808162326.G28223@redhat.com> <15698.54589.795037.127176@charged.uio.no> <20020808165712.H28223@redhat.com> <15698.57249.605357.32060@charged.uio.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: NFS maillist Return-path: Received: from to-velocet.redhat.com ([216.138.202.10] helo=touchme.toronto.redhat.com) by usw-sf-list1.sourceforge.net with esmtp (Exim 3.31-VA-mm2 #1 (Debian)) id 17cuof-0005wv-00 for ; Thu, 08 Aug 2002 14:27:34 -0700 To: Trond Myklebust In-Reply-To: <15698.57249.605357.32060@charged.uio.no>; from trond.myklebust@fys.uio.no on Thu, Aug 08, 2002 at 11:16:17PM +0200 Errors-To: nfs-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Id: Discussion of NFS under Linux development, interoperability, and testing. List-Unsubscribe: , List-Archive: On Thu, Aug 08, 2002 at 11:16:17PM +0200, Trond Myklebust wrote: > Duh... My mistake I didn't read your mail clearly enough... > > I know of 1 possible hang in that patchset (a hang which also affects > the standard 2.4.19 kernel): The spinlock in xprt_write_space() needs > to be converted to a bh-safe spinlock. The race should be very rare, > but definitely exists (it's been fixed BTW in the newer patchset)... Ah, interesting. I'll put that into a test rpm for the people experiencing the problem to see if it helps. > Do you have any details on the hangs in question that might help? Basically, under heavy load several processes end up stuck in lock_page being called from generic_file_read. The problem is very hard to reproduce (at least I can't on my local machines). -ben -- "You will be reincarnated as a toad; and you will be much happier." ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ NFS maillist - NFS@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nfs