I've recently upgraded to Kubuntu 14.10 (KDE 4.14.2), and started getting this issue: Whenever my monitors enter energy savings mode (when pc is idle for a while - the pc itself is not suspended, only the monitors are), then the TV (connected as third display to PC) is no longer remembered as an audio output device. So every time I want to use the TV I must go to K Menu -> System Settings -> Multimedia -> Audio and Video Settings -> Audio Hardware Setup -> Profile and re-select the proper profile. Sound Card is "Built-in Audio", and there are 3 different profiles in the dopdown list all identically named "Digital Stereo (HDMI) Output", however selecting each of them gives a different Connector name below: "HDMI / DisplayPort", "HDMI / DisplayPort 2 " and "HDMI / DisplayPort 3". In my case the second one is the correct one, but when a screen energy savings mode is activated it reverts back to the third, which is incorrect. This issue did not occur before the upgrade, and there were no other hardware changes. See https://bugs.kde.org/show_bug.cgi?id=340979 for the previous history and discussion of this issue.
do you mean you have two hdmi connected ? Active Profile: output:hdmi-stereo-extra1 Ports: hdmi-output-0: HDMI / DisplayPort (priority: 5900, latency offset: 0 usec, not available) Properties: device.icon_name = "video-display" Part of profile(s): output:hdmi-stereo, output:hdmi-surround hdmi-output-1: HDMI / DisplayPort 2 (priority: 5800, latency offset: 0 usec, available) Properties: device.icon_name = "video-display" device.product.name = "PANASONIC-TV" Part of profile(s): output:hdmi-stereo-extra1 hdmi-output-2: HDMI / DisplayPort 3 (priority: 5700, latency offset: 0 usec, available) Properties: device.icon_name = "video-display" device.product.name = "SyncMaster" Part of profile(s): output:hdmi-stereo-extra2
I have a total of 3 connected: one monitor via DVI, one monitor via HDMI, and the TV via DP with a DP->HDMI active converter. In the KDE Display Settings they are identified as HDMI1, HDMI3 and DP1 respectively, but in the KDE Audio Hardware Setup under the first 'Built-in Audio' sound card there are 3 identically named 'Digital Stereo (HDMI) Output' options, which when selected, change the 'Connector' selection beneath it. The one showing connector 'HDMI/DisplayPort 2' is the TV. The other monitors don't have speakers on them, so selecting the other two profiles (with connectors 1 or 3) doesn't output any sound (and is not supposed to). Other than that there's a second 'Built-in Audio' sound card selection, but that's for all the analog output profiles (unrelated to monitors). I hope that clarifies the setup :-)
xrandr --verbose the workaround is to disable audio of your first hdmi by xrandr
Created attachment 113021 [details] output of 'xrandr --verbose' command
HDMI1 connected 1280x1024+0+0 (0xac) normal (normal left inverted right x axis y axis) 376mm x 301mm Identifier: 0x44 Timestamp: 27340 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 1 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff004c2d4e033931594d 2412010380261e782a1f35a4564d9e24 125054bfef8081808140714f01010101 010101010101302a009851002a403070 1300782d1100001e000000fd00384b1e 510e000a202020202020000000fc0053 796e634d61737465720a2020000000ff 00484d41513930323738350a202000c6 Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on 1280x1024 (0xac) 108.0MHz +HSync +VSync *current +preferred h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 60.0Hz 1280x1024 (0xad) 135.0MHz +HSync +VSync h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 75.0Hz 1280x960 (0xae) 108.0MHz +HSync +VSync h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.0KHz v: height 960 start 961 end 964 total 1000 clock 60.0Hz 1152x864 (0xaf) 108.0MHz +HSync +VSync h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.5KHz v: height 864 start 865 end 868 total 900 clock 75.0Hz 1024x768 (0xb0) 78.8MHz +HSync +VSync h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz v: height 768 start 769 end 772 total 800 clock 75.1Hz 1024x768 (0xb1) 75.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.5KHz v: height 768 start 771 end 777 total 806 clock 70.1Hz 1024x768 (0xb2) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 832x624 (0xb3) 57.3MHz -HSync -VSync h: width 832 start 864 end 928 total 1152 skew 0 clock 49.7KHz v: height 624 start 625 end 628 total 667 clock 74.6Hz 800x600 (0xb4) 50.0MHz +HSync +VSync h: width 800 start 856 end 976 total 1040 skew 0 clock 48.1KHz v: height 600 start 637 end 643 total 666 clock 72.2Hz 800x600 (0xb5) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 601 end 604 total 625 clock 75.0Hz 800x600 (0xb6) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 800x600 (0xb7) 36.0MHz +HSync +VSync h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz v: height 600 start 601 end 603 total 625 clock 56.2Hz 640x480 (0xb8) 31.5MHz -HSync -VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 481 end 484 total 500 clock 75.0Hz 640x480 (0xb9) 31.5MHz -HSync -VSync h: width 640 start 664 end 704 total 832 skew 0 clock 37.9KHz v: height 480 start 489 end 491 total 520 clock 72.8Hz 640x480 (0xba) 30.2MHz -HSync -VSync h: width 640 start 704 end 768 total 864 skew 0 clock 35.0KHz v: height 480 start 483 end 486 total 525 clock 66.7Hz 640x480 (0xbb) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 60.0Hz 720x400 (0xbc) 28.3MHz -HSync +VSync h: width 720 start 738 end 846 total 900 skew 0 clock 31.5KHz v: height 400 start 412 end 414 total 449 clock 70.1Hz DP1 connected 1280x720+3200+0 (0xc5) normal (normal left inverted right x axis y axis) 1434mm x 806mm Identifier: 0x45 Timestamp: 27340 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: HDMI2 CRTC: 2 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff0034a964a0f7060000 09120103800000780adaffa3584aa229 17494b00000001010101010101010101 010101010101011d00bc52d01e20b828 55409a265300001e011d007251d01e20 6e2855009a265300001e000000fc0050 414e41534f4e49432d54560a000000fd 00313d0f440f000a2020202020200167 02031f724f938414051f101203110216 071506012309070166030c0010008001 1d80d0721c1620102c25809a26530000 9e8c0ad090204031200c4055009a2653 000018011d8018711c1620582c25009a 265300009e8c0ad08a20e02d10103e96 009a2653000018023a80d072382d4010 2c45809a26530000180000000000000d Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI2 disconnected (normal left inverted right x axis y axis) Identifier: 0x46 Timestamp: 27340 Subpixel: unknown Clones: DP1 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on HDMI3 connected primary 1920x1200+1280+0 (0x4a) normal (normal left inverted right x axis y axis) 160mm x 90mm Identifier: 0x47 Timestamp: 27340 Subpixel: unknown Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 2 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff004c2d230434325754 26120103801009a02aef91a3544c9b26 0f5054230800a9408180814081009500 b30001010101283c80a070b023403020 3600a05a0000001a023a801871382d40 582c4500a05a0000001e000000fd0032 3c1b5111000a202020202020000000fc 0053796e634d61737465720a2020016e 02031cf148901f051404130312230907 078301000066030c00100080011d0072 51d01e206e285500a05a0000001e011d 00bc52d01e20b8285540a05a0000001e 011d8018711c1620582c2500a05a0000 009e011d80d0721c1620102c2580a05a 0000009e8c0ad08a20e02d10103e9600 a05a00000018000000000000000000ae Broadcast RGB: Automatic supported: Automatic, Full, Limited 16:235 audio: auto supported: force-dvi, off, auto, on support of hdmi audio can be turn off by the hdmi graphic driver
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