Ondrej Sevcik, so you had an issue that didn't exist in pre-13.04, occurred in 13.04, disappeared in 13.10, and reappeared in 13.10.
Hence, this bug report will only focus on the latest regression from old 13.10 to updated 13.10. So, the next step is to fully commit bisect from release 13.10 to 13.10, in order to identify the offending commit. Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ? ** Tags removed: regression-release ** Tags added: regression-update ** Description changed: - Hi after upgrading my ubuntu to 13.04 I had battery/power status issues. - Now I'm on 13.10 and its still present. It's same issue as - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1210361 but with - different Samsung laptop. + When 13.10 is first installed, this problem does not occur. After + updating, it appears. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-12-generic 3.11.0-12.19 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: ondrejs 2112 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: ondrejs 2112 F.... pulseaudio Date: Mon Oct 28 17:16:08 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=907cf27f-f5d4-4b2d-815e-e24cfb092411 InstallationDate: Installed on 2013-04-08 (202 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=b06e6413-dac5-451b-a030-e622bec477e5 ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.11.0-12-generic N/A - linux-backports-modules-3.11.0-12-generic N/A - linux-firmware 1.116 + linux-restricted-modules-3.11.0-12-generic N/A + linux-backports-modules-3.11.0-12-generic N/A + linux-firmware 1.116 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-10-01 (27 days ago) dmi.bios.date: 08/21/2012 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: P01ABH dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NP530U3C-A05CZ dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP01ABH:bd08/21/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U3C-A05CZ:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 530U3C/530U4C dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. -- 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/1245557 Title: [Samsung NP530U3C-A05CZ] Incorrect battery/power status Status in “linux” package in Ubuntu: Incomplete Bug description: When 13.10 is first installed, this problem does not occur. After updating, it appears. ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image-3.11.0-12-generic 3.11.0-12.19 ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3 Uname: Linux 3.11.0-12-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ondrejs 2112 F.... pulseaudio Date: Mon Oct 28 17:16:08 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=907cf27f-f5d4-4b2d-815e-e24cfb092411 InstallationDate: Installed on 2013-04-08 (202 days ago) InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5) MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic root=UUID=b06e6413-dac5-451b-a030-e622bec477e5 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.11.0-12-generic N/A linux-backports-modules-3.11.0-12-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-10-01 (27 days ago) dmi.bios.date: 08/21/2012 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: P01ABH dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: NP530U3C-A05CZ dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP01ABH:bd08/21/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U3C-A05CZ:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 530U3C/530U4C dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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