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Message #103416
[Bug 572139] Re: Samsung LE-46B530 TV does not work with Intel DH55HC motherboard
apport information
** Tags added: apport-collected
** Description changed:
I'm running current release of Lucid Lynx desktop version and trying to use 1080p with this TV.
This report includes description of the released official (non-RC) 10.04 LTS desktop version.
BIOS is now the latest 0028 version.
Two tests:
1. Connect HDMI from motherboard to Onkyo amplifier and from Onkyo amplifier to TV:
" Onkyo 7" " text shown in display settings.
2. Connect HDMI from motherboard directly to TV:
" Samsung 7 " text shown in display settings.
The first setup is the one I'm planning to use. What happens is that in
both tests 1 and 2 couple of centimeters (1 inch) is missing at least
from top and bottom of the screen (probably also from left and right). I
can't see any menus but they are there if I scroll the mouse "outside"
the visible area and click there. A workaround to this problem is to use
"Screen Fit" option in the TV, not "16:9". The "Screen Fit" option has
to be used with both 1920 x 1080 (16:9) and 1280 x 720 (16:9)
resolutions. The resolutions seem to be correct however: if I take a
screenshot then it is exactly 1280 x 720.
In summary, there are three problems with this TV:
1) "Screen Fit" option has to be selected.
2) "Searching for Signals" problem in 1920 x 1080: it starts when scrolling in Firefox or moving windows.
3) Flickering problem in 1920 x 1080: the picture "tears", this may include problem 2.
4) No HDMI audio. There is only a faint "click" sound when trying to play audio.
Scrolling in Firefox usually causes symptom 2 but the "Searching for Signals" text may disappear and the picture comes back if scrolling back.
Flickering in problem 3 may disappear if moving the window back, but it starts again especially if window is on the border of the screen.
Problems 2 and 3 do not occur with resolution 1280 x 720 so it is full
HD specific.
I also tried to install the latest PPA kernel (2.6.34-999). With this
kernel problem 4 vanishes and the HDMI audio is played correctly. Also
problem 3 is much less severe with the kernel update. Anyway even with
the kernel update problems 1 and 2 remain.
+
+ ---
+ Architecture: amd64
+ DRM.card0.DisplayPort.1:
+ status: disconnected
+ enabled: disabled
+ dpms: On
+ modes:
+ edid-base64:
+ DRM.card0.DisplayPort.2:
+ status: disconnected
+ enabled: disabled
+ dpms: On
+ modes:
+ edid-base64:
+ DRM.card0.HDMI_Type_A.1:
+ status: connected
+ enabled: enabled
+ dpms: On
+ modes: 1280x720 1920x1080 1600x1200 1680x1050 1280x1024 1280x1024 1440x900 1440x900 1280x960 1280x800 1152x864 1280x720 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 640x480 640x480 640x480 640x480 640x480 720x400
+ edid-base64: AP///////wA9ywEAAAAAAf//AQOAEAl4Cu6Ro1RMmSYPUFS974BxT4EAgUCBgJUAlQ+zAKlAAR0AclHQHiBuKFUAoFoAAAAeAR0AvFLQHiC4KFVAoFoAAAAeAAAA/ABUWC1TUjY3NCAgICAgAAAA/QAYSxpRFwAKICAgICAgAYYCAy7xTpABAwQFEhMUDx4fICEiLwl/Bw8fBxcHODcHMD8HwINPAABmAwwAEgCAAR2AGHEcFiBYLCUAoFoAAACeAR2A0HIcFiAQLCWAoFoAAACeAjqAGHE4LUBYLEUAoFoAAAAe1gmAoCDgLRAIYCIAgOAhCAgYAAAAAAAAAAAA1A==
+ DRM.card0.HDMI_Type_A.2:
+ status: disconnected
+ enabled: disabled
+ dpms: On
+ modes:
+ edid-base64:
+ DRM.card0.VGA.1:
+ status: disconnected
+ enabled: disabled
+ dpms: On
+ modes:
+ edid-base64:
+ DistroRelease: Ubuntu 10.10
+ InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
+ Package: xserver-xorg-video-intel 2:2.12.0-1ubuntu5.1
+ PackageArchitecture: amd64
+ ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-23-generic root=UUID=f58ae567-8564-483f-a333-2e09fd73ebfa ro quiet splash
+ ProcEnviron:
+ LANG=en_US.utf8
+ SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.35-23.41-generic 2.6.35.7
+ Tags: maverick maverick
+ Uname: Linux 2.6.35-23-generic x86_64
+ UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare
+ dmi.bios.date: 10/18/2010
+ dmi.bios.vendor: Intel Corp.
+ dmi.bios.version: TCIBX10H.86A.0040.2010.1018.1100
+ dmi.board.asset.tag: To be filled by O.E.M.
+ dmi.board.name: DH55HC
+ dmi.board.vendor: Intel Corporation
+ dmi.board.version: AAE70933-501
+ dmi.chassis.type: 3
+ dmi.modalias: dmi:bvnIntelCorp.:bvrTCIBX10H.86A.0040.2010.1018.1100:bd10/18/2010:svn:pn:pvr:rvnIntelCorporation:rnDH55HC:rvrAAE70933-501:cvn:ct3:cvr:
+ glxinfo: Error: [Errno 2] No such file or directory
+ system:
+ distro: Ubuntu
+ codename: maverick
+ architecture: x86_64
+ kernel: 2.6.35-23-generic
** Attachment added: "BootDmesg.txt"
https://bugs.edge.launchpad.net/bugs/572139/+attachment/1770901/+files/BootDmesg.txt
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https://bugs.launchpad.net/bugs/572139
Title:
Samsung LE-46B530 TV does not work with Intel DH55HC motherboard