Messages in this thread | | | Date | Tue, 25 Jan 2011 14:04:15 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH 0/2][concept RFC] x86: BIOS-save kernel log to disk upon panic |
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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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