From: Bian Naimeng Subject: Re: nfs: server not responding, timed out Date: Fri, 19 Mar 2010 10:21:57 +0800 Message-ID: <4BA2DFC5.1010400@cn.fujitsu.com> References: <20100318170603.f6a7f188.dennisn@dennisn.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=Shift_JIS Cc: linux-nfs@vger.kernel.org To: Dennis Nezic Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:60884 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751957Ab0CSCW1 (ORCPT ); Thu, 18 Mar 2010 22:22:27 -0400 In-Reply-To: <20100318170603.f6a7f188.dennisn-YN8wfZw00oOZ9vWoFJJngh2eb7JE58TQ@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: > After upgrading my server (kernel 2.6.19 to 2.6.33, nfs-utils 1.1.0 to > 1.2.1/1.1.4/1.1.6), and probably other stuff too), and possibly my > client laptop's kernel, I have suddenly started to get these "server X > not responding, timed out" errors (on my client), especially (only?) > when doing large file transfers. This would lead to input/output > errors, and the transfers would fail. > > I never noticed any such problems for over two years, using the older > versions. The networking (wifi link) hasn't changed. > > Usually the file transfer trips and falls over itself near the end -- > Ie. it will do 600MB out of 800MB just fine, and then suddently start > giving these "timed out" errors, and then crash and burn. At this > point, I am forced to "umount -fl" the mount. If I then try to remount > it, the server acnowledges my "authenticated mount requests" perfectly > fine, but my client (laptop) still appears "hung". After a few minutes, > I am able to remount it. > > I tried playing with the rsize/wsize/timeo/retrans variables, but none > of it seemed to fix the problem. > > Any ideas about what has changed? Maybe this is/was a well-known > problem? :P > I do not know the what's the reason. And I am not sure the followed discussion can fix this problem, but maybe it can help you. http://marc.info/?l=linux-nfs&m=123478426412524&w=2 Best Regards Bian > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html