Mailinglist Archive: opensuse (2348 mails)

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Re: [opensuse] Novell Bugzilla - At it Again - Bugs Apparently Dismissed Without Sufficient Investigation
  • From: Randall R Schulz <rschulz@xxxxxxxxx>
  • Date: Fri, 4 Apr 2008 09:50:02 -0700
  • Message-id: <200804040950.02344.rschulz@xxxxxxxxx>
On Friday 04 April 2008 09:48, Anders Johansson wrote:
On Friday 04 April 2008 18:40:55 Randall R Schulz wrote:
On Friday 04 April 2008 09:39, Anders Johansson wrote:

Well, one thing that can happen is that interrupt vectors can be
clobbered by DMA activity, after which it can become impossible for
the processor to continue because it gets a fault trying to execute
from bad addresses or from valid addresses that contain gibberish

Well, it's obviously possible for software to hang a CPU, that's not
in question.

But I still don't think it will trigger a machine check exception.
That's not the type of errors those are designed to alert about

How does the CPU respond to a fault that occurs when it's processing a
fault? Isn't that one of the things that machine-checks report?

Madness takes its toll

Randall Schulz
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