Chris, you mention overriding the EDID. I have a similar problem using the i915 driver with a laptop display that fails to report its EDID. I have tried using drm_kms_helper, but I haven't gotten it to work yet. /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/edid contains correct EDID data from my firmware/edid file, but /sys/devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/modes remains empty and the driver provides incompatible modes. Could someone possibly help me?
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1033695 Title: External HDMI Monitor does not get detected / invalid EDID checksum Status in “xserver-xorg-video-intel” package in Ubuntu: Invalid Bug description: When connecting a Samsung Syncmaster SA350 series monitor to a Asus Zenbook UX32VD the monitor does not get detected in the "Displays" settings screen and spits outs alot of invalid EDID checksum messages in dmesg. Message: [ 5132.677061] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 155 [ 5132.677069] Raw EDID: [ 5132.677073] 00 ff ff ff ff ff ff 00 4c 2d d2 07 38 34 30 30 [ 5132.677077] 24 15 01 03 80 30 1b 78 2a 90 c1 a2 59 55 9c 27 [ 5132.677080] 0e 50 54 bf ef 80 71 4f 81 00 81 40 81 80 95 00 [ 5132.677083] 95 0f a9 40 b3 00 02 3a 80 18 71 38 2d 40 58 2c [ 5132.677086] ff ff ff ff ff ff ff ff 01 1d 00 72 51 d0 1e 20 [ 5132.677089] 6e 28 55 00 dd 0c 11 00 00 1e 00 00 00 fd 00 32 [ 5132.677092] 4b 1f 51 11 00 0a 20 20 20 20 20 20 00 00 00 fc [ 5132.677094] 00 53 4d 53 32 32 41 33 35 30 48 0a 20 20 01 e1 [ 5132.677103] i915 0000:00:02.0: HDMI-A-1: EDID block 0 invalid. The monitor does work fine on my other Windows PC Release: Description: Ubuntu quantal (development branch) Release: 12.10 ProblemType: Bug DistroRelease: Ubuntu 12.10 Package: xserver-xorg-video-intel 2:2.20.2-1ubuntu1 ProcVersionSignature: Ubuntu 3.5.0-8.8-generic 3.5.0 Uname: Linux 3.5.0-8-generic x86_64 .tmp.unity.support.test.0: ApportVersion: 2.4-0ubuntu6 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell] CompositorRunning: compiz Date: Tue Aug 7 00:17:53 2012 DistUpgraded: Fresh install DistroCodename: quantal DistroVariant: ubuntu DkmsStatus: asus-wmi, 999.01, 3.5.0-8-generic, x86_64: installed bbswitch, 0.4.2, 3.5.0-4-generic, x86_64: installed bbswitch, 0.4.2, 3.5.0-6-generic, x86_64: installed bbswitch, 0.4.2, 3.5.0-8-generic, x86_64: installed EcryptfsInUse: Yes ExtraDebuggingInterest: Yes, GraphicsCard: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:1507] InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120627) MachineType: ASUSTeK COMPUTER INC. UX32VD ProcEnviron: TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-8-generic root=UUID=9bb3948b-2fd3-46c4-b0bb-0ae32a87278a ro quiet splash pcie_aspm=force drm.vblankoffdelay=1 i915.semaphores=1 nmi_watchdog=0 vt.handoff=7 SourcePackage: xserver-xorg-video-intel UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/29/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX32VD.207 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX32VD dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX32VD.207:bd06/29/2012:svnASUSTeKCOMPUTERINC.:pnUX32VD:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX32VD:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: UX32VD dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. version.compiz: compiz 1:0.9.8+bzr3249-0ubuntu2 version.ia32-libs: ia32-libs 20090808ubuntu36 version.libdrm2: libdrm2 2.4.37-0ubuntu2 version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.4-1ubuntu1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.4-1ubuntu1 version.xserver-xorg-core: xserver-xorg-core 2:1.12.99.902-0ubuntu1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-2~ubuntu1 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.99.99~git20120713.6ef1ad6a-0ubuntu1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.2-1ubuntu1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.1-4~ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1033695/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
