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[A <312756@xxxxxxxxxxxxxxxxxx>]

# dmidecode -s system-product-name
MacBookPro5,1
# dmidecode -s system-version 
1.0
# lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
02:00.0 VGA compatible controller [0300]: nVidia Corporation G96 [GeForce 9600M GT] [10de:0647] (rev a1) (prog-if 00 [VGA controller])

(there is also an integrated GPU, a 9400M G, on the nvidia controller,
even though it doesn't show up under Linux in lspci)

Running 'test_off.sh' gives all failed; but

# echo '\_SB.PCI0.IXVE.IGPU._DSM' > /proc/acpi/call
# cat /proc/acpi/call
0x80000002

though I'm not sure it actually does anything.

** Attachment added: "DSDT.dsl for MBP 5,1"
   https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1696087/+files/DSDT.dsl

** Attachment removed: "DSDT.dsl for MBP 5,1"
   https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1696087/+files/DSDT.dsl

-- 
support graphics card hot switch
https://bugs.launchpad.net/bugs/312756
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