Giampiero Salvi, as per http://www.asus.com/Notebooks_Ultrabooks/Eee_PC_1001PX_Seashell/#support an update is available for your BIOS (1201). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything?
If not, could you please both specify what happened, and provide the output of the following terminal command: sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date Please note your current BIOS is already in the Bug Description, so posting this on the old BIOS would not be helpful. For more on BIOS updates and linux, please see https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette . Thank you for your understanding. ** Description changed: Since RC6 power saving was enabled by default, disconnecting the power - cable causes flickering in the screen. The problem is solved by - disabling RC6 power saving in the kernel parameters. This is done by - adding "i915.i915_enable_rc6=0" to the GRUB_CMDLINE_LINUX_DEFAULT - variable in /etc/default/grub and by running + cable causes flickering in the screen. + WORKAROUND: Disable RC6 power saving by adding "i915.i915_enable_rc6=0" to the GRUB_CMDLINE_LINUX_DEFAULT variable in /etc/default/grub and by running: sudo update-grub - - I am filing this bug report so that you know the problem exists with this particular hardware configuration: - Computer: EEE PC 1001PX - Graphics: Intel Corporation N10 Family Integrated Graphics Controller - Ubuntu: 12.04, 32 bits - Kernel: 3.2.0-29-generic-pae - - I am using "ubuntu-bug linux" to file the bug, so I assume you have - already all the relevant information ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-29-generic-pae 3.2.0-29.46 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24 Uname: Linux 3.2.0-29-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: - **** List of PLAYBACK Hardware Devices **** - card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] - Subdevices: 0/1 - Subdevice #0: subdevice #0 + **** List of PLAYBACK Hardware Devices **** + card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] + Subdevices: 0/1 + Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: giampi 1689 F.... pulseaudio - /dev/snd/pcmC0D0p: giampi 1689 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: giampi 1689 F.... pulseaudio + /dev/snd/pcmC0D0p: giampi 1689 F...m pulseaudio Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xf7cf8000 irq 45' - Mixer name : 'Realtek ALC269VB' - Components : 'HDA:10ec0269,10438437,00100100' - Controls : 13 - Simple ctrls : 8 + Card hw:0 'Intel'/'HDA Intel at 0xf7cf8000 irq 45' + Mixer name : 'Realtek ALC269VB' + Components : 'HDA:10ec0269,10438437,00100100' + Controls : 13 + Simple ctrls : 8 Date: Tue Aug 28 09:41:13 2012 HibernationDevice: RESUME=UUID=70fefe68-bbe7-4083-9663-fd32cdb604dc InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007) MachineType: ASUSTeK Computer INC. 1001PX ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic-pae root=UUID=a36ef87b-13ea-4ce2-bac3-ebf4d415e6ef ro quiet splash i915.i915_enable_rc6=0 vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.2.0-29-generic-pae N/A - linux-backports-modules-3.2.0-29-generic-pae N/A - linux-firmware 1.79 + linux-restricted-modules-3.2.0-29-generic-pae N/A + linux-backports-modules-3.2.0-29-generic-pae N/A + linux-firmware 1.79 SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-05-05 (114 days ago) dmi.bios.date: 08/12/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0904 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: 1001PX dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: x.xx dmi.chassis.asset.tag: 0x00000000 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer INC. dmi.chassis.version: x.x dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0904:bd08/12/2010:svnASUSTeKComputerINC.:pn1001PX:pvrx.x:rvnASUSTeKComputerINC.:rn1001PX:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x: dmi.product.name: 1001PX dmi.product.version: x.x dmi.sys.vendor: ASUSTeK Computer INC. ** Tags added: bios-outdated-1201 ** Changed in: linux (Ubuntu) Status: Triaged => Incomplete -- 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/1042613 Title: intel graphics rc6 power saving causes flickering Status in “linux” package in Ubuntu: Incomplete Bug description: Since RC6 power saving was enabled by default, disconnecting the power cable causes flickering in the screen. WORKAROUND: Disable RC6 power saving by adding "i915.i915_enable_rc6=0" to the GRUB_CMDLINE_LINUX_DEFAULT variable in /etc/default/grub and by running: sudo update-grub ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-29-generic-pae 3.2.0-29.46 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic-pae 3.2.24 Uname: Linux 3.2.0-29-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] Subdevices: 0/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu12 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC269VB Analog [ALC269VB Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: giampi 1689 F.... pulseaudio /dev/snd/pcmC0D0p: giampi 1689 F...m pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf7cf8000 irq 45' Mixer name : 'Realtek ALC269VB' Components : 'HDA:10ec0269,10438437,00100100' Controls : 13 Simple ctrls : 8 Date: Tue Aug 28 09:41:13 2012 HibernationDevice: RESUME=UUID=70fefe68-bbe7-4083-9663-fd32cdb604dc InstallationMedia: Ubuntu-Netbook 10.10 "Maverick Meerkat" - Release i386 (20101007) MachineType: ASUSTeK Computer INC. 1001PX ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-29-generic-pae root=UUID=a36ef87b-13ea-4ce2-bac3-ebf4d415e6ef ro quiet splash i915.i915_enable_rc6=0 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.2.0-29-generic-pae N/A linux-backports-modules-3.2.0-29-generic-pae N/A linux-firmware 1.79 SourcePackage: linux UpgradeStatus: Upgraded to precise on 2012-05-05 (114 days ago) dmi.bios.date: 08/12/2010 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0904 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: 1001PX dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: x.xx dmi.chassis.asset.tag: 0x00000000 dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK Computer INC. dmi.chassis.version: x.x dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0904:bd08/12/2010:svnASUSTeKComputerINC.:pn1001PX:pvrx.x:rvnASUSTeKComputerINC.:rn1001PX:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x: dmi.product.name: 1001PX dmi.product.version: x.x dmi.sys.vendor: ASUSTeK Computer INC. 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