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SubjectRe: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic
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.

Jeff




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