From owner-freebsd-current Tue Oct 22 15:48:45 2002 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AEDD237B404 for ; Tue, 22 Oct 2002 15:48:43 -0700 (PDT) Received: from mailout01.sul.t-online.com (mailout01.sul.t-online.com [194.25.134.80]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2670043E6A for ; Tue, 22 Oct 2002 15:48:43 -0700 (PDT) (envelope-from D.Rock@t-online.de) Received: from fwd04.sul.t-online.de by mailout01.sul.t-online.com with smtp id 1847pJ-0004yo-01; Wed, 23 Oct 2002 00:48:41 +0200 Received: from dialin.t-online.de (340029380333-0001@[80.128.208.142]) by fmrl04.sul.t-online.com with esmtp id 1847p8-1yF3z6C; Wed, 23 Oct 2002 00:48:30 +0200 Received: from t-online.de (doom [172.23.7.254]) by dialin.t-online.de (8.11.6+Sun/8.11.6/Rock) with ESMTP id g9MMmAv85086 for ; Wed, 23 Oct 2002 00:48:10 +0200 (CEST) Message-ID: <3DB5D5AB.3060404@t-online.de> Date: Wed, 23 Oct 2002 00:48:11 +0200 From: Daniel Rock User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de-AT; rv:1.1) Gecko/20020826 X-Accept-Language: de, en-us, en MIME-Version: 1.0 To: current@freebsd.org Subject: Re: file system deadlock in -CURRENT References: <3DB5D235.6090403@t-online.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Sender: 340029380333-0001@t-dialin.net Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Daniel Rock schrieb: > Hi, > > I found an interesting problem during tracing my perl-5.8 problem I > mailed some days ago. > > Sometimes - I cannot forcibly reproduce this event - while I'm trying > to truss a process, I first get the following error message: > > /usr/ports/lang/perl5.8/work/perl-5.8.0# truss ./perl > truss: cannot open /proc/44502/mem: No such file or directory > or the following error message: > /usr/ports/lang/perl5.8/work/perl-5.8.0# truss ./perl > truss: PIOCWAIT: Input/output error A side note: The problem seems to be related with programs compiled with profiling enabled. trussing a normal program never showed this behaviour. Daniel To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message