same here. neither of the workarounds work for me perfectly. kinda annoying actually.
On Sat, Jul 3, 2010 at 3:05 PM, Martin Schraner <[email protected]>wrote: > Neither installing Andy Whitcroft's test kernel nor the option > i915.powersave=0 helped with me (Lenovo Think Pad T400s). To get rid of > the annoying flickering, I re-installed Karmic Koala. I hope the bug > will be solved at least for the next distribution. > > -- > [Intel GM45] Irregular sync flashes on 8086:2a42 (Needs i915.powersave > quirk) > https://bugs.launchpad.net/bugs/538648 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in X.org xf86-video-intel: Unknown > Status in “linux” package in Ubuntu: Triaged > Status in “xserver-xorg-video-intel” package in Ubuntu: Invalid > > Bug description: > [Workaround 1] > Install Andy Whitcroft's test kernel from > http://people.canonical.com/~apw/lp538648-lucid/ (see comment #88). > > [Workaround 2] > As workaround add the option i915.powersave=0 to the kernel command line in > the grub config (for GRUB 2: edit /etc/default/grub and add > i915.powersave=0 to GRUB_CMDLINE_LINUX, then run sudo update-grub; for GRUB > 1: edit /boot/grub/menu.lst and add i915.powersave=0 to the end of the line > beginning with # kopt=, then run sudo update-grub). > > [Report] > Binary package hint: xserver-xorg > > When I first installed Lucid on my T500 I believe everything seemd to be > fine with the display. Recently though the screen has started giving > flashes -- as though there was some form of sync problem for the display. > The flashes are of irregular frequency and occurrence. I haven't yet seen > any pattern to the behaviour. They are however exceptionally annoying. > > I believe I am using the Intel chipset graphics device -- I am not > actually aware of how to switch to using the alternate graphics hardware, > but I am told it is not worth bothering with, so I haven't. > > I am using the Compiz window manager so I guess the problem could be there > rather than with Xorg. > > There is no xorg.conf file so there is no overide of the default behaviour. > > I am not sure what programs to run to give useful output for this problem. > I have attached the current Xorg log file. > --- > Architecture: amd64 > DistroRelease: Ubuntu 10.04 > DkmsStatus: > virtualbox-ose, 3.1.4, 2.6.32-17-generic, x86_64: installed > virtualbox-ose, 3.1.4, 2.6.32-16-generic, x86_64: installed > virtualbox-ose-guest, 3.1.4, 2.6.32-17-generic, x86_64: installed > virtualbox-ose-guest, 3.1.4, 2.6.32-16-generic, x86_64: installed > InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100224.1) > MachineType: LENOVO 20827SG > Package: xserver-xorg-video-intel 2:2.9.1-1ubuntu16 > PackageArchitecture: amd64 > PccardctlIdent: > Socket 0: > no product info available > PccardctlStatus: > Socket 0: > no card > ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-17-generic > root=UUID=d075e3b9-f26d-4896-9983-4afe962b115a ro quiet splash > ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1 > Tags: lucid lucid > Uname: Linux 2.6.32-17-generic x86_64 > UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare > dmi.bios.date: 01/09/2009 > dmi.bios.vendor: LENOVO > dmi.bios.version: 6FET56WW (2.02 ) > dmi.board.name: 20827SG > dmi.board.vendor: LENOVO > dmi.board.version: Not Available > dmi.chassis.asset.tag: No Asset Information > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: Not Available > dmi.modalias: > dmi:bvnLENOVO:bvr6FET56WW(2.02):bd01/09/2009:svnLENOVO:pn20827SG:pvrThinkPadT500:rvnLENOVO:rn20827SG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: > dmi.product.name: 20827SG > dmi.product.version: ThinkPad T500 > dmi.sys.vendor: LENOVO > system: > distro: Ubuntu > codename: lucid > architecture: x86_64 > kernel: 2.6.32-17-generic > > [lspci] > 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series > Chipset Integrated Graphics Controller [8086:2a42] (rev 07) > Subsystem: Lenovo Device [17aa:2114] > > > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/538648/+subscribe > -- [Intel GM45] Irregular sync flashes on 8086:2a42 (Needs i915.powersave quirk) https://bugs.launchpad.net/bugs/538648 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
