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List:       linux-kernel
Subject:    Re: GPF, Oops on system halt
From:       Riley Williams <rhw () MemAlpha ! CX>
Date:       1999-07-25 15:15:47
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Hi Steve.

 >> After installing Redhat 6.0 on two brand-new workstations with
 >> identical hardware (single AMD K6-2 450, 6G HDD, 128 MB SDRAM,
 >> AOpen 100MHz AGP ATX motherboard), they both exhibited the same
 >> problem when shutting down the system to move them.  Repeated
 >> tests under various BIOS settings have shown the same error.

 >> > The system is halted.
 >> > Stopping all md devices.
 >> > Power down.
 >> > general protection fault: f000
 >> > CPU: 0
 >> > EIP: 0050:[<000089c5>]
 >> > EFLAGS: 00010046

 > I'm guessing that it's a buggy BIOS APM implementation, as the
 > EIP value isn't in the kernel (I'm guessing it's in the BIOS, I
 > don't know much about these things); either that or we have
 > buggy power down code -- I suspect the former as I recall seeing
 > stuff on l-k about this before -- try a search of the archives.

I'm wondering if the above is a processor-specific bug...

I have two systems with IDENTICAL motherboards, hard drives, etc,
which differ ONLY in the processor - one has an Intel P266, the other
an AMD K6-2/350, and the latter is showing this problem where the
former isn't - and the CMOS settings are identical in all other
respects...

Don't ask me what's going on, but I have to suspect something here...

Best wishes from Riley.

+----------------------------------------------------------------------+
| There is something frustrating about the quality and speed of Linux  |
| development, ie., the quality is too high and the speed is too high, |
| in other words, I can implement this XXXX feature, but I bet someone |
| else has already done so and is just about to release their patch.   |
+----------------------------------------------------------------------+
 * ftp://ftp.MemAlpha.cx/pub/rhw/Linux
 * http://www.MemAlpha.cx/kernel.versions.html


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