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SubjectRe: [PATCH V2 1/4] EFI: Stash ROMs if they're not in the PCI BAR
Seth,

[CC'd people, sorry we exchanged a few emails with Seth outside of the
lists, I passed him the acpi tables and here are gmux dumps]

Allright. thanks for gmux-dump. There seems to be progress, as I can see
the gmux dumps for the nividia-selected and intel-selected are clearly
different (I did it twice to be sure, it checks out).
The 2 dumps are at
http://maumae.net/retina/gmux-dump_intel.dat
and
http://maumae.net/retina/gmux-dump_nvidia_only.dat
I hope you'll be able to get something from these.
Francois



On 04/08/12 13:58, Seth Forshee wrote:
> On Sat, Aug 04, 2012 at 11:34:21AM +1000, Francois Rigaut wrote:
>> Seth,
>>
>> I've put the acpi table dump in http://maumae.net/retina/acpi_tables.tgz
> The ACPI stuff for the gmux looks exactly the same as for the machine
> I've got. The I/O range is still 0x700 to 0x7ff.
>
>> As far as the mem dump, I've done it but can not see any difference
>> (between case where one or the other graphic card are selected) in
>> the first 3000 bytes. Not sure I'm doing that well though. I'm just
>> dd'ing /dev/mem with
>> dd bs=1000 count=3 if=/dev/mem of=some_file
>> Am I addressing the right memory or is the switch going to be (or
>> likely to be) somewhere else?
> That's going to access sytem memory, not the I/O space for the gmux. Try
> the attached instead. It's going to output the raw binary, so if you
> want to view the output do something like
>
> gmux-dump | xxd -g1
>
> Seth



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