ThinkPad T410 (Intel+nVidia graphics) here. Works with Nouveau for nVidia and with kernel mode-setting disabled for Intel. With KMS enabled, switching to discrete graphics hard-locks the display. Haven't been able to use the proprietery nVidia driver for switching.
dmidecode -s system-product-name 2522WV9 # dmidecode -s system-version ThinkPad T410 # lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA 00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) 01:00.0 VGA compatible controller [0300]: nVidia Corporation GT218 [NVS 3100M] [10de:0a6c] (rev a2) (prog-if 00 [VGA controller]) ** Attachment added: "DSDT from Lenovo ThinkPad T410" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1909928/+files/DSDT-ThinkPad-T410.dsl -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/312756 Title: MASTER: support graphics card hot switch -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs