Jeremy, It is indeed still an issue. Unfortunately I can't check with the latest dev version of Ubuntu as this is a work machine. Sorry!
** Description changed: Disabling ACPI causes the backlight to work perfectly. However, this has the unfortunate side effect of disabling monitor brightness control and suspend ability (and likely other things). Is there a way we can just disable ACPI for the keyboard alone? --- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC259 Analog [ALC259 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mattw 1904 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xb5700000 irq 49' Mixer name : 'Intel IbexPeak HDMI' Components : 'HDA:10ec0269,1179fd88,00100100 HDA:80862804,1179ff00,00100000' Controls : 21 Simple ctrls : 10 DistroRelease: Ubuntu 10.10 HibernationDevice: RESUME=UUID=da79a006-ae30-436b-99f3-d819cb137a4f InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1) Lsusb: Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0bda:5801 Realtek Semiconductor Corp. Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: TOSHIBA Satellite M645 Package: linux (not installed) ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic root=UUID=e39ee5fb-8bb0-462b-b556-95846f86c3cc ro ProcEnviron: PATH=(custom, user) LANG=en_US.utf8 SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.35-23.40-generic 2.6.35.7 Regression: No RelatedPackageVersions: linux-firmware 1.38 Reproducible: Yes RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: maverick kernel-uncat needs-upstream-testing Uname: Linux 2.6.35-23-generic i686 UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare dmi.bios.date: 07/05/10 dmi.bios.vendor: TOSHIBA dmi.bios.version: 1.30 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NBQAA dmi.board.vendor: TOSHIBA dmi.board.version: 1.00 dmi.chassis.asset.tag: * dmi.chassis.type: 9 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: N/A dmi.modalias: dmi:bvnTOSHIBA:bvr1.30:bd07/05/10:svnTOSHIBA:pnSatelliteM645:pvrPSMPBU-00N001:rvnTOSHIBA:rnNBQAA:rvr1.00:cvnTOSHIBA:ct9:cvrN/A: dmi.product.name: Satellite M645 dmi.product.version: PSMPBU-00N001 dmi.sys.vendor: TOSHIBA + + --- + AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. + Architecture: i386 + ArecordDevices: + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: ALC259 Analog [ALC259 Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: mattw 1874 F.... pulseaudio + /dev/snd/pcmC0D0p: mattw 1874 F...m pulseaudio + CRDA: Error: [Errno 2] No such file or directory + Card0.Amixer.info: + Card hw:0 'Intel'/'HDA Intel at 0xb5700000 irq 48' + Mixer name : 'Intel IbexPeak HDMI' + Components : 'HDA:10ec0269,1179fd88,00100100 HDA:80862804,1179ff00,00100000' + Controls : 21 + Simple ctrls : 10 + DistroRelease: Ubuntu 10.10 + HibernationDevice: RESUME=UUID=da79a006-ae30-436b-99f3-d819cb137a4f + InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release i386 (20100816.1) + MachineType: TOSHIBA Satellite M645 + Package: linux (not installed) + ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-25-generic root=UUID=e39ee5fb-8bb0-462b-b556-95846f86c3cc ro + ProcEnviron: + PATH=(custom, user) + LANG=en_US.utf8 + SHELL=/bin/bash + ProcVersionSignature: Ubuntu 2.6.35-25.44-generic 2.6.35.10 + Regression: No + RelatedPackageVersions: linux-firmware 1.38.3 + Reproducible: Yes + RfKill: + 0: phy0: Wireless LAN + Soft blocked: no + Hard blocked: no + Tags: maverick kernel-uncat needs-upstream-testing + Uname: Linux 2.6.35-25-generic i686 + UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare + dmi.bios.date: 07/05/10 + dmi.bios.vendor: TOSHIBA + dmi.bios.version: 1.30 + dmi.board.asset.tag: Base Board Asset Tag + dmi.board.name: NBQAA + dmi.board.vendor: TOSHIBA + dmi.board.version: 1.00 + dmi.chassis.asset.tag: * + dmi.chassis.type: 9 + dmi.chassis.vendor: TOSHIBA + dmi.chassis.version: N/A + dmi.modalias: dmi:bvnTOSHIBA:bvr1.30:bd07/05/10:svnTOSHIBA:pnSatelliteM645:pvrPSMPBU-00N001:rvnTOSHIBA:rnNBQAA:rvr1.00:cvnTOSHIBA:ct9:cvrN/A: + dmi.product.name: Satellite M645 + dmi.product.version: PSMPBU-00N001 + dmi.sys.vendor: TOSHIBA -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/683133 Title: Keyboard backlight does not work on Toshiba Satellite M series laptops -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs