From owner-freebsd-hackers@FreeBSD.ORG Sun Apr 3 12:17:40 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A72FE1065670; Sun, 3 Apr 2011 12:17:40 +0000 (UTC) (envelope-from superbisquit@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id 2D4EF8FC16; Sun, 3 Apr 2011 12:17:39 +0000 (UTC) Received: by vws18 with SMTP id 18so4440090vws.13 for ; Sun, 03 Apr 2011 05:17:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=7lPcZCE4bsvLbz7FA9QPC2+tMEcdhIyEz23W2arNgvc=; b=j+dlIxNT0XSEbyXInonBk3SL/ceW+ipAEhC7nTGU3cCbbaHXhSWTvfiwYALSjwR0C/ v3ve3Evn5sk2oTFhJsmy7xYLEOHemT0YlouKtNY5pIm7jfTXphDEeAGoEPWxBNSraBl3 NNAQT70nsbe6f8NZ3xahgiAYKcKnsC0r1ZbXA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=Zy7ylgbXRQ1qjEtp3lgLPt38VvIcXG7xAv0mxVwCz9UYH/a5Vknzqo3COKZ9Bjfi+X ZQBcA/DJuihyGSQGqpfoy9PRTeTx+z+B6Yo1lC+mLGQZ7Rj+/5nHDWnWNfxsAu0gr2Y6 r6plMzuBfNb14O7J1RRCuDLwFVzPiIpxJfESQ= MIME-Version: 1.0 Received: by 10.220.193.193 with SMTP id dv1mr408376vcb.97.1301833058585; Sun, 03 Apr 2011 05:17:38 -0700 (PDT) Received: by 10.220.186.138 with HTTP; Sun, 3 Apr 2011 05:17:38 -0700 (PDT) In-Reply-To: References: <4D9828AA.3030206@FreeBSD.org> Date: Sun, 3 Apr 2011 08:17:38 -0400 Message-ID: From: Super Bisquit To: Andreas Tobler , nwhitehorn@freebsd.org, chmeeedalf@gmail.com Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org Subject: Re: kernel dumps on powerpc/pmap questions X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Apr 2011 12:17:40 -0000 Apologies; but, he can get more help from one of the two of you before he can get any from the FreeBSD hacker mailing list. On 4/3/11, Super Bisquit wrote: > Why don't you ask Whitehorn or other members of the FreeBSD PowerPC > team this question. Very few of the hackers deal with anything outside > of standard i386 and AMD64 platforms. > > nwhitehorn@freebsd.org > chmeeedalf@gmail.com Justin Hibbits > > > > On 4/3/11, Andreas Tobler wrote: >> Hello all, >> >> to investigate a system lockup I need to implement kerneldumps on >> powerpc. Well, exactly on PowerMacs. The booke should already support >> this feature. >> >> Right now I'm at the point where I can dump something, means the >> mechanism to be able to get a (core) dump for example via 'call doadump' >> in db works. I can restore the dump via savecore. >> >> I took the approach from booke and implemented the necessary functions >> for PowerMacs. But here I'm offline. >> >> I do not understand what I want to dump, means which part of the memory. >> Once I know what to dump, where do I find the information, which >> addresses? >> >> How can I get a picture of the memory organization form powermacs? >> Is there a pointer available about pmap in the kernel to find out a bit >> more on this topic? >> >> What is really needed to be able to run kgdb on a core file to be able >> to find where the kernel crashed? >> >> I know the questions are a bit vague, but I need an entry point. >> >> I appreciate any pointer to implement this feature. >> >> Tia, >> Andreas >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to >> "freebsd-hackers-unsubscribe@freebsd.org" >> >