Ubuntu
xorg-server package

  1. Bug #312756
  2. Comment #222

Comment 222 for bug 312756

Revision history for this message
WeiKeTing (wkt55555) wrote : Re: support graphics card hot switch

$sudo insmod acpi_call.ko
$ ./test_off.sh
Trying \_SB.PCI0.P0P1.VGA._OFF: failed
Trying \_SB_.PCI0.OVGA.ATPX: failed
Trying \_SB_.PCI0.OVGA.XTPX: failed
Trying \_SB.PCI0.P0P2.PEGP._OFF: failed
Trying \_SB.PCI0.MXR0.MXM0._OFF: failed
Trying \_SB.PCI0.PEG1.GFX0._OFF: works!

$ sudo dmidecode -s system-product-name; sudo dmidecode -s system-version; lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
K42Jv
1.0
00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 12) (prog-if 00 [VGA controller])
01:00.0 VGA compatible controller [0300]: nVidia Corporation GT215 [GeForce GT 335M] [10de:0caf] (rev ff) (prog-if ff)