From owner-freebsd-stable@FreeBSD.ORG Tue Dec 8 01:52:10 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EB32410656A8 for ; Tue, 8 Dec 2009 01:52:10 +0000 (UTC) (envelope-from kasahara@nc.kyushu-u.ac.jp) Received: from elvenbow.cc.kyushu-u.ac.jp (unknown [IPv6:2001:200:905:1314::80]) by mx1.freebsd.org (Postfix) with ESMTP id 768278FC15 for ; Tue, 8 Dec 2009 01:52:10 +0000 (UTC) Received: from localhost (kasahara@localhost [IPv6:::1]) by elvenbow.cc.kyushu-u.ac.jp (8.14.3/8.14.3) with ESMTP id nB81q8gJ002323; Tue, 8 Dec 2009 10:52:08 +0900 (JST) (envelope-from kasahara@nc.kyushu-u.ac.jp) Date: Tue, 08 Dec 2009 10:52:07 +0900 (JST) Message-Id: <20091208.105207.127111509315693955.kasahara@nc.kyushu-u.ac.jp> To: pyunyh@gmail.com From: Yoshiaki Kasahara In-Reply-To: <20091204184301.GG16491@michelle.cdnetworks.com> References: <20091204173601.GD16491@michelle.cdnetworks.com> <20091205.032645.157250901747305575.kasahara@nc.kyushu-u.ac.jp> <20091204184301.GG16491@michelle.cdnetworks.com> X-Fingerprint: CDA2 B6B6 6796 0DD3 9D80 2602 E909 4623 A15E A074 X-URL: http://www.nc.kyushu-u.ac.jp/~kasahara/ X-Mailer: Mew version 6.2.50 on Emacs 23.1.50 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org Subject: Re: vge problem X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Dec 2009 01:52:11 -0000 On Fri, 4 Dec 2009 10:43:01 -0800, Pyun YongHyeon said: >> before I replaced vge(4). I guess the system froze while initializing >> vge(4), but I'm not really sure actually. > > Yes, that's also possible. But I can't explain how the patch can > freeze the box. Another user also reported the similar vge(4) issue > in private mail and tried the same patch and he could successfully > boot with patched vge(4). Unfortunately the issue does not seem to > fix his issue. I'm still working on it. > >> >> What can I do to narrow the cause of problems? Is it useful to build >> kernel with options KDB and DDB? >> > > Yes. Ok, now I'm ready to boot a DDB enabled kernel to try kernel debugging on my PC. I can't read email during debugging my PC under current configuration, so could you please tell me any specific instructions to collect information you need? I'm reading the Handbook now, but I'm not very sure... Regards, -- Yoshiaki Kasahara Research Institute for Information Technology, Kyushu University kasahara@nc.kyushu-u.ac.jp