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Thank you for your understanding. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1208257 Title: [HP ProBook 4540s] brightness control problems Status in “linux” package in Ubuntu: Incomplete Status in “linux” package in Baltix: Triaged Bug description: I bought a laptop in December 2012, immediately tried to put Ubuntu 12.10, got broken wi-fi and non-working graphics acceleration. Updated kernel to version 3.6, with graphic acceleration was all right, even partially earned wi-fi. After some time wi-fi hang, helped only restart the network subsystem. Updated kernel to 3.7, with the wi-fi was all became normal, but stopped working brightness control with the Fn keys. Progress bar indicates that the brightness changes, but in fact nothing happens. Tried the new distribution 13.04, on 3.8 kernels, 3.9, 3.10, nothing changes. Upon adjustment has broken in 3.7 kernel. It turns out that this is a regression. WORKAROUND: Problem gone with kernel parameter acpi_backlight=vendor. --- ApportVersion: 2.9.2-0ubuntu8.1 Architecture: amd64 AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: country UA: (2402 - 2482 @ 40), (N/A, 20) DistroRelease: Ubuntu 13.04 InstallationDate: Installed on 2013-08-04 (0 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) MachineType: Hewlett-Packard HP ProBook 4540s MarkForUpload: True Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=f5b4658c-870e-449d-a9d7-5caaa6eec2f3 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8 RelatedPackageVersions: linux-restricted-modules-3.8.0-19-generic N/A linux-backports-modules-3.8.0-19-generic N/A linux-firmware 1.106 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: raring Uname: Linux 3.8.0-19-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 05/20/2013 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68IRR Ver. F.41 dmi.board.name: 17F6 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 58.1E dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68IRRVer.F.41:bd05/20/2013:svnHewlett-Packard:pnHPProBook4540s:pvrA1018C1100:rvnHewlett-Packard:rn17F6:rvrKBCVersion58.1E:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ProBook 4540s dmi.product.version: A1018C1100 dmi.sys.vendor: Hewlett-Packard --- ApportVersion: 2.12-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 3887 F.... pulseaudio ubuntu 14062 F.... pulseaudio CRDA: country UA: (2400 - 2483 @ 40), (N/A, 20), NO-OUTDOOR (5150 - 5350 @ 40), (N/A, 20), NO-OUTDOOR (57240 - 65880 @ 2160), (N/A, 40), NO-OUTDOOR CasperVersion: 1.336 DistroRelease: Ubuntu 13.10 LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130807) MachineType: Hewlett-Packard HP ProBook 4540s MarkForUpload: True Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/username.seed boot=casper persistent initrd=/casper/initrd.lz splash -- maybe-ubiquity ProcVersionSignature: Ubuntu 3.10.0-6.17-generic 3.10.3 RelatedPackageVersions: linux-restricted-modules-3.10.0-6-generic N/A linux-backports-modules-3.10.0-6-generic N/A linux-firmware 1.113 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: saucy Uname: Linux 3.10.0-6-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo dmi.bios.date: 05/20/2013 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 68IRR Ver. F.41 dmi.board.name: 17F6 dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 58.1E dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr68IRRVer.F.41:bd05/20/2013:svnHewlett-Packard:pnHPProBook4540s:pvrA1018C1100:rvnHewlett-Packard:rn17F6:rvrKBCVersion58.1E:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP ProBook 4540s dmi.product.version: A1018C1100 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1208257/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
