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List:       linux-ia64
Subject:    Re: [Linux-ia64] Strange behaviour
From:       David Mosberger <davidm () napali ! hpl ! hp ! com>
Date:       2002-04-30 3:11:08
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>>>>> On Fri, 26 Apr 2002 04:40:23 +0200 (CEST), Steffen Persvold <sp@scali.com> said:

  Steffen> Hi all, In our lab we have two B2-stepping BigSur (that is
  Steffen> the codename for the 2-cpu ones isn't it ?) machines
  Steffen> running slightly modified RH7.1 2.4.3 kernel with SMP
  Steffen> support (Yes I know, it's unsupported hardware, but they've
  Steffen> worked fine so far). When I do a rather long DMA transfer
  Steffen> with a Dolphin SCI card the machine prints this to the
  Steffen> serial console and stops :

  Steffen> gSelFlashStartAddr : ffe4ffb0

I believe this is a sign that a machine check (or "init") occurred.
Given that B2 is pretty much ancient, I'm not sure there is much
that can be done about it.

  Steffen> I'm curious to what this is, it seems to come from the
  Steffen> machine firmware or something ? Is this related to the beta
  Steffen> HW I have, Linux kernel version or is it something else ?

It's coming from the firmware.  Perhaps an older kernel with B2
support would work better, but then again, a lot of bugs got fixed in
the kernel since then.

	--david


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