# dmidecode -s system-product-name N53Jn
# sudo dmidecode -s system-version 1.0 # lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 18) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: nVidia Corporation GT215 [GeForce GT 335M] [10de:0caf] (rev a2) (prog-if 00 [VGA controller]) # ./test_off.sh Trying \_SB.PCI0.P0P1.VGA._OFF: failed Trying \_SB.PCI0.P0P2.VGA._OFF: failed Trying \_SB_.PCI0.OVGA.ATPX: failed Trying \_SB_.PCI0.OVGA.XTPX: failed Trying \_SB.PCI0.P0P3.PEGP._OFF: failed Trying \_SB.PCI0.P0P2.PEGP._OFF: failed Trying \_SB.PCI0.P0P1.PEGP._OFF: failed Trying \_SB.PCI0.MXR0.MXM0._OFF: failed Trying \_SB.PCI0.PEG1.GFX0._OFF: works! vgaswitcheroo switching does not work; reported in syslog is the following: Dec 7 17:40:53 vapulo kernel: [ 1268.734929] vga_switcheroo: client 0 refused switch Dec 7 17:40:53 vapulo kernel: [ 1268.734935] vga_switcheroo: setting delayed switch to client 1 the "setting delayed switch to client 1" suggests that logging out; resetting X server (via e.g. Alt-E) and logging in again might work, but it doesn't (the internal Intel card - 00:02.0 - remains selected). # cat /sys/kernel/debug/vgaswitcheroo/switch 0: :Off:0000:01:00.0 1:+:Pwr:0000:00:02.0
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