From mboxrd@z Thu Jan 1 00:00:00 1970 From: Just Marc Subject: Re: lockd using up 60% CPU and won't let go Date: Mon, 29 Sep 2008 20:18:10 -0400 Message-ID: <48E17042.101@corky.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: bfields@fieldses.org To: linux-nfs@vger.kernel.org Return-path: Received: from corky.net ([212.150.53.130]:56563 "EHLO zebday.corky.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751908AbYI3ASO (ORCPT ); Mon, 29 Sep 2008 20:18:14 -0400 Sender: linux-nfs-owner@vger.kernel.org List-ID: Hi, > It's basically just a userspace NFS server, right? Correct. > Could you work around the problem by mounting with -onolock? That doesn't seem to help. >You might try running wireshark on the "lo" interface and seeing whether there's any NLM traffic from lockd. You guessed right. There's a 12 megabytes per second of NLM traffic on lo. unlock call requests and unlock replies saying permission denied, looks like it just repeats forever in a tight loop. Marc