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 1DTjq0-0001S6-RS for user-mode-linux-devel@lists.sourceforge.net; Thu, 05 May 2005 10:08:36 -0700 Received: from smtp001.mail.ukl.yahoo.com ([217.12.11.32]) by sc8-sf-mx2.sourceforge.net with smtp (Exim 4.41) id 1DTjpw-0005wa-LL for user-mode-linux-devel@lists.sourceforge.net; Thu, 05 May 2005 10:08:36 -0700 From: Blaisorblade Subject: Re: [uml-devel] gdb debugging problem on uml-2.6.10 References: <4271073D.3030800@yahoo.com.cn> <200505011216.27331.blaisorblade@yahoo.it> <42798ADD.5070607@yahoo.com.cn> In-Reply-To: <42798ADD.5070607@yahoo.com.cn> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200505051902.23104.blaisorblade@yahoo.it> 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: Thu, 5 May 2005 19:02:22 +0200 To: user-mode-linux-devel@lists.sourceforge.net Cc: "Mei,Jia" On Thursday 05 May 2005 04:54, Mei,Jia wrote: > 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. This just happened to other three people (including me) in these days, so I'd like to know which rootfs's you used, to get a feeling of what could be going on. Thanks a lot. -- Paolo Giarrusso, aka Blaisorblade Skype user "PaoloGiarrusso" Linux registered user n. 292729 http://www.user-mode-linux.org/~blaisorblade ------------------------------------------------------- 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