From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx03.syneticon.net ([87.79.32.166]) by bombadil.infradead.org with esmtp (Exim 4.68 #1 (Red Hat Linux)) id 1K1h3v-0004Et-0T for kexec@lists.infradead.org; Thu, 29 May 2008 12:16:55 +0000 Message-ID: <483E9E97.6050207@wpkg.org> Date: Thu, 29 May 2008 14:16:23 +0200 From: Tomasz Chmielewski MIME-Version: 1.0 Subject: Re: kexec on mips - anyone has it working? References: <483BCB75.4050901@wpkg.org> <200805271449.45124.nschichan@freebox.fr> <483C4F73.4040909@wpkg.org> <200805291347.05196.nschichan@freebox.fr> In-Reply-To: <200805291347.05196.nschichan@freebox.fr> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Nicolas Schichan Cc: linux-mips@linux-mips.org, Kexec Mailing List Nicolas Schichan schrieb: > On Tuesday 27 May 2008 20:14:11 you wrote: >> Aah, I see. >> >> Anyway, it doesn't work - with or without this slight change in >> machine_kexec.c, with kexec compiled from the sources in the link you >> gave or with kexec-tools-testing-20080324, it just doesn't work on >> BCM43XX with OpenWRT patches. At least on Asus WL-500gP. > > I'm not familiar with broadcom CPU names, but isn't BCM43XX supposed > to be a Wifi chipset ? :) Well, yeah, indeed the device is sold as a wireless router. But it can perfectly run Debian, so it should run kexec as well, shouldn't it? ;) > However, could you kexec a kernel from a kernel that has > CONFIG_MIPS_UNCACHED set (under "Kernel hacking", "run uncached")? > this will slow down the kernel that does the kexec, but if this works, > then it is most probably a cache problem. > > Could you also indicate the last lines of kernel messages just before > the "Bye." ? I'll try that later today and will post the results. > Are you trying to kexec a big kernel image ? Hmm, is it big? It's the same kernel I booted: # ls -l vmlinux -rwxr-xr-x 1 root root 3868065 May 26 23:30 vmlinux > how much RAM do you have > on the board ? It has 32 MB RAM; some ~11 MB is used before I load another kernel. > are there some hardware that could have a hard time to > be re-probed by the kexeced linux kernel ? The kexeced kernel is the same one I booted, so no. -- Tomasz Chmielewski http://wpkg.org _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 30 May 2008 01:23:59 +0100 (BST) Received: from p549F5155.dip.t-dialin.net ([84.159.81.85]:7119 "EHLO p549F5155.dip.t-dialin.net") by ftp.linux-mips.org with ESMTP id S20046725AbYE2MQu (ORCPT ); Thu, 29 May 2008 13:16:50 +0100 Received: from mx03.syneticon.net ([87.79.32.166]:58888 "EHLO mx03.syneticon.net") by lappi.linux-mips.net with ESMTP id S1106173AbYE2MQp (ORCPT ); Thu, 29 May 2008 14:16:45 +0200 Received: from localhost (filter1.syneticon.net [192.168.113.3]) by mx03.syneticon.net (Postfix) with ESMTP id 2875D95EF; Thu, 29 May 2008 14:16:42 +0200 (CEST) X-Virus-Scanned: amavisd-new at mx03.syneticon.net Received: from mx03.syneticon.net ([192.168.113.4]) by localhost (mx03.syneticon.net [192.168.113.3]) (amavisd-new, port 10025) with ESMTP id ECqQPbG3cJsu; Thu, 29 May 2008 14:16:24 +0200 (CEST) Received: from [192.168.10.145] (koln-4d0b776d.pool.mediaWays.net [77.11.119.109]) by mx03.syneticon.net (Postfix) with ESMTP; Thu, 29 May 2008 14:16:24 +0200 (CEST) Message-ID: <483E9E97.6050207@wpkg.org> Date: Thu, 29 May 2008 14:16:23 +0200 From: Tomasz Chmielewski User-Agent: Thunderbird 2.0.0.12 (X11/20080305) MIME-Version: 1.0 To: Nicolas Schichan CC: linux-mips@linux-mips.org, Kexec Mailing List Subject: Re: kexec on mips - anyone has it working? References: <483BCB75.4050901@wpkg.org> <200805271449.45124.nschichan@freebox.fr> <483C4F73.4040909@wpkg.org> <200805291347.05196.nschichan@freebox.fr> In-Reply-To: <200805291347.05196.nschichan@freebox.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 19378 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: mangoo@wpkg.org Precedence: bulk X-list: linux-mips Nicolas Schichan schrieb: > On Tuesday 27 May 2008 20:14:11 you wrote: >> Aah, I see. >> >> Anyway, it doesn't work - with or without this slight change in >> machine_kexec.c, with kexec compiled from the sources in the link you >> gave or with kexec-tools-testing-20080324, it just doesn't work on >> BCM43XX with OpenWRT patches. At least on Asus WL-500gP. > > I'm not familiar with broadcom CPU names, but isn't BCM43XX supposed > to be a Wifi chipset ? :) Well, yeah, indeed the device is sold as a wireless router. But it can perfectly run Debian, so it should run kexec as well, shouldn't it? ;) > However, could you kexec a kernel from a kernel that has > CONFIG_MIPS_UNCACHED set (under "Kernel hacking", "run uncached")? > this will slow down the kernel that does the kexec, but if this works, > then it is most probably a cache problem. > > Could you also indicate the last lines of kernel messages just before > the "Bye." ? I'll try that later today and will post the results. > Are you trying to kexec a big kernel image ? Hmm, is it big? It's the same kernel I booted: # ls -l vmlinux -rwxr-xr-x 1 root root 3868065 May 26 23:30 vmlinux > how much RAM do you have > on the board ? It has 32 MB RAM; some ~11 MB is used before I load another kernel. > are there some hardware that could have a hard time to > be re-probed by the kexeced linux kernel ? The kexeced kernel is the same one I booted, so no. -- Tomasz Chmielewski http://wpkg.org