In answer on the email request to post information about my graphic card and model of the system. Here is my gathering technical information to improve Linux support on hybrid graphics card.
See attached DSDT.dsl file. r...@host:/tmp# dmidecode -s system-product-name M51Vr r...@host:/tmp# lspci | grep VGA 01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3400 Series NOTE: while generating the acpidump.txt file I got the following message: r...@host:/tmp# acpidump > acpidump.txt Wrong checksum for ATKG Wrong checksum for ATKG! Here are the last lines from the command acidump to standard output: ...LOST OF LINE ABOVE HERE......... 0030: b2 00 00 00 e1 1e 00 e2 00 08 00 00 00 00 00 00 ................ 0040: 04 08 00 00 00 00 00 00 50 08 00 00 08 08 00 00 ........P....... 0050: 20 08 00 00 00 00 00 00 04 02 01 04 10 00 00 e3 ............... 0060: 0a 00 e9 03 00 04 10 00 01 03 0d 00 32 13 00 00 ............2... 0070: a5 88 00 00 01 08 00 00 64 00 00 00 00 00 00 00 ........d....... 0080: fe 00 00 00 .... Wrong checksum for ATKG! RSDT @ 0xbff80000 0000: 52 53 44 54 50 00 00 00 01 c8 5f 41 53 55 53 5f RSDTP....._ASUS_ 0010: 4e 6f 74 65 62 6f 6f 6b 02 06 08 20 4d 53 46 54 Notebook... MSFT 0020: 97 00 00 00 00 02 f8 bf 90 03 f8 bf 30 04 f8 bf ............0... 0030: 70 04 f8 bf 20 06 f8 bf f0 03 f8 bf f0 05 f8 bf p... ........... 0040: 40 e8 f8 bf 30 bd f8 bf c0 ea f8 bf 10 76 f9 bf @...0........v.. RSD PTR @ 0xf9310 0000: 52 53 44 20 50 54 52 20 7d 41 43 50 49 41 4d 02 RSD PTR }ACPIAM. 0010: 00 00 f8 bf 24 00 00 00 00 01 f8 bf 00 00 00 00 ....$........... 0020: 24 00 00 00 I hope that I can help you with this info. If there are any questions, pleas let me know. Regards, Neorg ** Attachment added: "DSDT.dsl" http://launchpadlibrarian.net/28016277/DSDT.dsl -- support graphics card hot switch https://bugs.launchpad.net/bugs/312756 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp