From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1DTWWB-0008Hh-Cs for user-mode-linux-devel@lists.sourceforge.net; Wed, 04 May 2005 19:55:15 -0700 Received: from h190.c26.b96.tor.eicat.ca ([66.96.26.190] helo=moraine.clusterfs.com) by sc8-sf-mx2.sourceforge.net with esmtp (Exim 4.41) id 1DTWW9-000283-Rb for user-mode-linux-devel@lists.sourceforge.net; Wed, 04 May 2005 19:55:15 -0700 Received: from [137.186.136.18] (d137-186-136-18.abhsia.telus.net [137.186.136.18]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by moraine.clusterfs.com (Postfix) with ESMTP id 7FEAD31026D for ; Wed, 4 May 2005 22:55:03 -0400 (EDT) Message-ID: <42798ADD.5070607@yahoo.com.cn> From: "Mei,Jia" MIME-Version: 1.0 Subject: Re: [uml-devel] gdb debugging problem on uml-2.6.10 References: <4271073D.3030800@yahoo.com.cn> <200505011216.27331.blaisorblade@yahoo.it> In-Reply-To: <200505011216.27331.blaisorblade@yahoo.it> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Wed, 04 May 2005 20:54:21 -0600 To: user-mode-linux-devel@lists.sourceforge.net Blaisorblade wrote: >>When I try gdb-5.3.90 with uml in vanilla-2.6.10 kernel. I found a problem. >> >>When I set a breakpoint somewhere, and after some step, uml will >>always get a SIGTRAP signal and trap into gdb. >> >>Does anyone met the same problem as me? Any known fix for it? > > No, I don't think there is any known fix for it. However, does this problem > keep on and makes debugging impossible (i.e., after you "cont", does it keep > stopping)? > > Hmm, are you doing debugging in SKAS or in TT mode? In the second case, then > it can be a bug in the ptrace proxy (which has a big bug with some gdb > releases >= 6.0). > > In the first case, maybe it's something I observed too (I'm not sure because I > don't use a lot gdb with UML)... Better, I've observed breakpoints being > *skipped* by gdb. I'm sorry for the late response since away for a few days. It turn out to be the rootfs problem, although I don't know why (not related to tls), change to a new rootfs fixed it. Maybe don't need to chase more on this. And appreciate you and Jeff's reply. Eric ------------------------------------------------------- This SF.Net email is sponsored by: NEC IT Guy Games. Get your fingers limbered up and give it your best shot. 4 great events, 4 opportunities to win big! Highest score wins.NEC IT Guy Games. Play to win an NEC 61 plasma display. Visit http://www.necitguy.com/?r=20 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel