Updating my monitor's firmware fixed this issue, so I think it's rather a legit message than a bug, however, useful information could be extracted from the EDID data, so maybe some looser checking could be used.
On Mon, Sep 10, 2012 at 8:49 PM, Bryce Harrington < 1033...@bugs.launchpad.net> wrote: > Sounds like bug 992346 > > ** Changed in: xserver-xorg-video-intel (Ubuntu) > Importance: Undecided => Medium > > ** Changed in: xserver-xorg-video-intel (Ubuntu) > Status: New => Confirmed > > -- > You received this bug notification because you are subscribed to the bug > report. > 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: > Confirmed > > 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 > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1033695 Title: External HDMI Monitor does not get detected / invalid EDID checksum To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1033695/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
