From: Brian Gerst <bgerst@didntduck.org>
To: root@chaos.analogic.com
Cc: Sipos Ferenc <sferi@dumballah.tvnet.hu>, linux-kernel@vger.kernel.org
Subject: Re: system time issue
Date: Wed, 09 Jan 2002 14:56:40 -0500 [thread overview]
Message-ID: <3C3CA078.52242C57@didntduck.org> (raw)
In-Reply-To: <Pine.LNX.3.95.1020109143029.8141A-101000@chaos.analogic.com>
"Richard B. Johnson" wrote:
>
> The code works by disabling paging while executing code where
> there is not a 1:1 physical/virtual page mapping. I have never
> found a system, even one with two CPUs that did not instantly
> reset.
All you are doing is causing a triple fault, started with most likely an
invalid op fault. There are many ways of doing that, including the no
idt way the kernel currently uses, which IMHO would be more reliable
that depending on the processor crashing on random memory.
--
Brian Gerst
next prev parent reply other threads:[~2002-01-09 19:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-09 18:53 system time issue Sipos Ferenc
2002-01-09 19:45 ` Richard B. Johnson
2002-01-09 19:56 ` Brian Gerst [this message]
2002-01-09 20:08 ` Richard B. Johnson
2002-01-09 23:35 ` H. Peter Anvin
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