Reverting 181a5336d6cc836f05507410d66988c483ad0154. as described by https://bugzilla.kernel.org/show_bug.cgi?id=14781 does NOT fix the issue.
** Bug watch added: Linux Kernel Bug Tracker #14781 http://bugzilla.kernel.org/show_bug.cgi?id=14781 ** Description changed: This bug is present in lucid (2.6.32-41 #90), but is fixed in maverick. If I install the maverick backported kernel it fixes the issue. + + More specifically its fixed in v2.6.35-rc2 (79a78dd6266a4f3e31c800e941ec62e250770a7d) + And broken in v2.6.35-rc1 (6c9468e9eb1252eaefd94ce7f06e1be9b0b641b1) + However, bisection between these commits has not been successful in isolating the patch. To reproduce: 1) Connect external VGA monitor to laptop. 2) Set mode to external VGA only with its maximum resolution. (see test.sh) 3) Use xrandr to rotate monitor a few times, and turn on and off (see irritate.sh) 4) Press a few keys on the keyboard, and the keyboard will start flickering. If both internal and external monitors are active, this problem does not exist. Occasionally the flickering will stop. ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: linux-image-2.6.32-41-generic 2.6.32-41.90 Regression: No Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.32-41.90-generic 2.6.32.59+drm33.24 Uname: Linux 2.6.32-41-generic x86_64 NonfreeKernelModules: wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21. AplayDevices: - **** List of PLAYBACK Hardware Devices **** - card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of PLAYBACK Hardware Devices **** + card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 Architecture: amd64 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: ubuntu 1156 F.... pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: ubuntu 1156 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 21' - Mixer name : 'Realtek ALC269' - Components : 'HDA:10ec0269,102804a5,00100100' - Controls : 13 - Simple ctrls : 8 + Card hw:0 'Intel'/'HDA Intel at 0xf6dfc000 irq 21' + Mixer name : 'Realtek ALC269' + Components : 'HDA:10ec0269,102804a5,00100100' + Controls : 13 + Simple ctrls : 8 Date: Fri May 25 16:01:36 2012 HibernationDevice: RESUME=UUID=2301a55d-d703-401e-8cf8-31bc9b19fe65 InstallationMedia: Ubuntu 10.04.4 LTS "Lucid Lynx" - Release amd64 (20120214.2) Lsusb: - Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub - Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub + Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub + Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. Latitude 2120 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-41-generic root=UUID=983f30ea-8263-4bd4-ba28-bac3ab91034c ro drm.debug=0x06 quiet splash ProcEnviron: - LANG=en_US.utf8 - SHELL=/bin/bash + LANG=en_US.utf8 + SHELL=/bin/bash RelatedPackageVersions: linux-firmware 1.34.14 RfKill: - 0: dell-wifi: Wireless LAN - Soft blocked: no - Hard blocked: no + 0: dell-wifi: Wireless LAN + Soft blocked: no + Hard blocked: no SourcePackage: linux dmi.bios.date: 10/27/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A00 dmi.board.name: 0YY3FH dmi.board.vendor: Dell Inc. dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA00:bd10/27/2010:svnDellInc.:pnLatitude2120:pvr:rvnDellInc.:rn0YY3FH:rvr:cvnDellInc.:ct8:cvr: dmi.product.name: Latitude 2120 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1004707 Title: [pineview] drm/i915 : external VGA1 only mode causes screen flickering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1004707/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
