works perfectly Ubuntu
HP Pavilion dv6 Notebook PC 0585110000242B10000620100 01:05.0 VGA compatible controller [0300]: ATI Technologies Inc M880G [Mobility Radeon HD 4200] [1002:9712] (prog-if 00 [VGA controller]) 02:00.0 VGA compatible controller [0300]: ATI Technologies Inc Redwood [Radeon HD 5600 Series] [1002:68c1] (prog-if 00 [VGA controller]) uname -r 2.6.38-5-generic cat /etc/*release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=11.04 DISTRIB_CODENAME=natty DISTRIB_DESCRIPTION="Ubuntu Natty (development branch)" ** Attachment added: "DSDT.dsl" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/312756/+attachment/1904225/+files/DSDT.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