Date: Sun, 3 Apr 2011 08:17:38 -0400 From: Super Bisquit <superbisquit@gmail.com> To: Andreas Tobler <andreast@freebsd.org>, nwhitehorn@freebsd.org, chmeeedalf@gmail.com Cc: freebsd-hackers@freebsd.org Subject: Re: kernel dumps on powerpc/pmap questions Message-ID: <BANLkTimZZCrhxTNQQgg0MPRsA0yxZT5gjg@mail.gmail.com> In-Reply-To: <BANLkTim4pR0KvLC=QjdgN40ZXHzF3UDO6A@mail.gmail.com> References: <4D9828AA.3030206@FreeBSD.org> <BANLkTim4pR0KvLC=QjdgN40ZXHzF3UDO6A@mail.gmail.com>
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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 <superbisquit@gmail.com> 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 <andreast@freebsd.org> 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" >> >
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