Re: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk uponpanic
From: Jeff Garzik
Date: Tue Jan 25 2011 - 14:04:31 EST
On 01/25/2011 12:32 PM, Tony Luck wrote:
One more "is this bit of the BIOS code safe" concern that I have is that
you'll be using the "write" path of the INT 0x13 code ... which isn't the
path that is tested by booting ... it *ought* to be OK - but untested paths
in BIOS seem to be broken paths all too often.
Not really... as others have noted, we reprogram the controller in a
different mode, once the kernel starts.
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