Activity log for bug #1485246

Date Who What changed Old value New value Message
2015-08-15 20:43:18 Mark Pettengell bug added bug
2015-08-15 20:43:18 Mark Pettengell attachment added acpi https://bugs.launchpad.net/bugs/1485246/+attachment/4445192/+files/acpi
2015-08-15 20:44:47 Mark Pettengell attachment added acpidump.txt https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445216/+files/acpidump.txt
2015-08-15 20:45:25 Mark Pettengell attachment added backlight https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445242/+files/backlight
2015-08-15 20:46:11 Mark Pettengell attachment added dmidecode.log https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445243/+files/dmidecode.log
2015-08-15 20:46:37 Mark Pettengell attachment added dsdt.dsl https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445244/+files/dsdt.dsl
2015-08-15 20:46:57 Mark Pettengell attachment added fwts https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445245/+files/fwts
2015-08-15 20:49:18 Mark Pettengell attachment added fwts_method https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445246/+files/fwts_method
2015-08-15 20:49:40 Mark Pettengell attachment added results.log https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1485246/+attachment/4445247/+files/results.log
2015-08-15 20:50:42 Mark Pettengell description Control of screen backlight is broken with a default clean install of Ubuntu 15.04 on my Samsung Series 7 Laptop (NP770Z5E). Setting kernal parameter acpi_backlight=vendor fixes the issue after two reboots. Debugging information attached as per - https://wiki.ubuntu.com/Kernel/Debugging/Backlight ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-25-generic 3.19.0-25.26 ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2 Uname: Linux 3.19.0-25-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: mark 1699 F.... pulseaudio Date: Sat Aug 15 21:36:20 2015 HibernationDevice: RESUME=UUID=c4899b44-3e19-4e62-921d-cf0a1cef97ec InstallationDate: Installed on 2015-08-12 (3 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: SAMSUNG ELECTRONICS CO., LTD. 770Z5E/780Z5E ProcFB: 0 inteldrmfb 1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic root=UUID=5a02817b-1f9b-4abc-93a3-b10d5d9278ed ro quiet splash acpi_backlight=vendor vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-3.19.0-25-generic N/A linux-backports-modules-3.19.0-25-generic N/A linux-firmware 1.143.3 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/05/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P05ABU.142.130905.SK dmi.board.asset.tag: No Asset Tag dmi.board.name: NP770Z5E-S02UK dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SEC_SW_REVISION_1234567890ABCD dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP05ABU.142.130905.SK:bd09/05/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn770Z5E/780Z5E:pvrP05ABU:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP770Z5E-S02UK:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.name: 770Z5E/780Z5E dmi.product.version: P05ABU dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. Control of screen backlight is broken with a default clean install of Ubuntu 15.04 on my Samsung Series 7 Laptop (NP770Z5E). Setting kernel parameter 'acpi_backlight=vendor' fixes the issue after two reboots. Debugging information attached as per - https://wiki.ubuntu.com/Kernel/Debugging/Backlight ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-25-generic 3.19.0-25.26 ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2 Uname: Linux 3.19.0-25-generic x86_64 ApportVersion: 2.17.2-0ubuntu1.2 Architecture: amd64 AudioDevicesInUse:  USER PID ACCESS COMMAND  /dev/snd/controlC0: mark 1699 F.... pulseaudio Date: Sat Aug 15 21:36:20 2015 HibernationDevice: RESUME=UUID=c4899b44-3e19-4e62-921d-cf0a1cef97ec InstallationDate: Installed on 2015-08-12 (3 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: SAMSUNG ELECTRONICS CO., LTD. 770Z5E/780Z5E ProcFB:  0 inteldrmfb  1 radeondrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-25-generic root=UUID=5a02817b-1f9b-4abc-93a3-b10d5d9278ed ro quiet splash acpi_backlight=vendor vt.handoff=7 PulseList:  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied  No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions:  linux-restricted-modules-3.19.0-25-generic N/A  linux-backports-modules-3.19.0-25-generic N/A  linux-firmware 1.143.3 SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/05/2013 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P05ABU.142.130905.SK dmi.board.asset.tag: No Asset Tag dmi.board.name: NP770Z5E-S02UK dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: SEC_SW_REVISION_1234567890ABCD dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP05ABU.142.130905.SK:bd09/05/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn770Z5E/780Z5E:pvrP05ABU:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP770Z5E-S02UK:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A: dmi.product.name: 770Z5E/780Z5E dmi.product.version: P05ABU dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
2015-08-15 21:00:11 Brad Figg linux (Ubuntu): status New Confirmed
2015-08-19 00:02:27 Joseph Salisbury linux (Ubuntu): importance Undecided Medium
2015-08-19 00:03:40 Joseph Salisbury linux (Ubuntu): status Confirmed Incomplete
2015-08-19 18:57:20 Mark Pettengell linux (Ubuntu): status Incomplete Confirmed
2015-08-19 19:00:51 Mark Pettengell tags amd64 apport-bug vivid amd64 apport-bug kernel-bug-exists-upstream vivid
2019-07-24 23:11:00 Brad Figg tags amd64 apport-bug kernel-bug-exists-upstream vivid amd64 apport-bug cscc kernel-bug-exists-upstream vivid