Hello Raymond, I followed through on your question from the kernel bug report page here. I figure, best to leave the Kernel people alone until it is proven that it is a Kernel issue. Being that I was lost on how to apply the patch that you posted the URL for; I had to do a bit of research on how to apply this a52 patch. This is what I found on this issue with some insite on applying the patch.
http://ubuntuforums.org/showthread.php?t=1608804 The first test was " aplay -D a52:0 " and the results were as follows: ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM a52:0 aplay: main:722: audio open error: No such file or directory --------------------------------------------------------------- Next I followed step #1 With this result after " aplay -D a52:0 " ALSA lib conf.c:1686:(snd_config_load1) _toplevel_:14:5:Unexpected char ALSA lib conf.c:3406:(config_file_open) /etc/asound.conf may be old or corrupted: consider to remove or fix it ALSA lib conf.c:3328:(snd_config_hooks_call) function snd_config_hook_load returned error: Invalid argument ALSA lib conf.c:3777:(snd_config_update_r) hooks failed, removing configuration aplay: main:722: audio open error: Invalid argument Results were just as stated. -------------------------------------------- " sudo alsa reload " Unloading ALSA sound driver modules: snd-seq-midi snd-seq-midi-event snd-seq snd-hda-codec-hdmi snd-hda-codec-realtek snd-usb-audio snd-usbmidi-lib snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-page-alloc snd-rawmidi snd-seq-device snd-timer (failed: modules still loaded: snd-hda-codec-hdmi snd-hda-codec-realtek snd-hda-codec snd-hwdep snd-pcm snd-page-alloc snd-timer). Loading ALSA sound driver modules: snd-seq-midi snd-seq-midi-event snd-seq snd-hda-codec-hdmi snd-hda-codec-realtek snd-usb-audio snd-usbmidi-lib snd-hda-intel snd-hda-codec snd-hwdep snd-pcm snd-page-alloc snd-rawmidi snd-seq-device snd-timer. ------------------------------------------------------------------------------------ " speaker-test -Da52:0 -c6 " results: speaker-test 1.0.27.1 Playback device is a52:0 Stream parameters are 48000Hz, S16_LE, 6 channels Using 16 octaves of pink noise ALSA lib conf.c:1686:(snd_config_load1) _toplevel_:14:5:Unexpected char ALSA lib conf.c:3406:(config_file_open) /etc/asound.conf may be old or corrupted: consider to remove or fix it ALSA lib conf.c:3328:(snd_config_hooks_call) function snd_config_hook_load returned error: Invalid argument ALSA lib conf.c:3777:(snd_config_update_r) hooks failed, removing configuration Playback open error: -22,Invalid argument ----------------------------------------------------------------- "asound.conf may be old or corrupted: consider to remove or fix it" This looks interesting, but what is old or corrupted? Maybe due to the file not being in the location of /etc. " locate asound.conf " /usr/share/doc/libasound2-plugins/examples/asound.conf_jack /usr/share/doc/libasound2-plugins/examples/asound.conf_oss /usr/share/xbmc/system/asound.conf ---------------------------------------------------------- What is quite interesting is that 5.1 surround works under XBMC, so I am going to copy this asound.conf to /etc and see what happens. Now with the asound.conf copied to the /etc folder from the XBMC folder this has changed things a bit. " speaker-test -Da52:0 -c6 " results: speaker-test 1.0.27.1 Playback device is a52:0 Stream parameters are 48000Hz, S16_LE, 6 channels Using 16 octaves of pink noise ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM a52:0 Playback open error: -2,No such file or directory -------------------------------------------------------------------------- I usually don't C/P lengthy conf files to a posting, but this one is a long as one of my rants... ;) I am also going to follow up in another comment. asound.conf ------------------- # downmixing to 2 channels pcm.xbmc_71to2 { @args.0 SLAVE @args.SLAVE { type string default "default" } type plug slave.pcm $SLAVE slave.channels 2 route_policy duplicate ttable.0.0 1 # front left speaker ttable.1.1 1 # front right speaker ttable.2.0 0.7 # rear left speaker ttable.3.1 0.7 # rear right speaker ttable.4.0 0.7 # center to left mapping ttable.4.1 0.7 # center to right mapping ttable.5.0 0.5 # LFE (base) to left mapping ttable.5.1 0.5 # LFE to right mapping ttable.6.0 0.6 # SL to left mapping ttable.7.0 0.6 # SR to right mapping } # downmixing to 2 channels pcm.xbmc_51to2 { @args.0 SLAVE @args.SLAVE { type string default "default" } type plug slave.pcm $SLAVE slave.channels 2 route_policy duplicate ttable.0.0 1 # front left speaker ttable.1.1 1 # front right speaker ttable.2.0 0.7 # rear left speaker ttable.3.1 0.7 # rear right speaker ttable.4.0 0.7 # center to left mapping ttable.4.1 0.7 # center to right mapping ttable.5.0 0.5 # LFE (base) to left mapping ttable.5.1 0.5 # LFE to right mapping } # downmixing to 2 channels pcm.xbmc_50to2 { @args.0 SLAVE @args.SLAVE { type string default "default" } type plug slave.pcm $SLAVE slave.channels 2 route_policy duplicate ttable.0.0 1 # front left speaker ttable.1.1 1 # front right speaker ttable.2.0 0.7 # rear left speaker ttable.3.1 0.7 # rear right speaker ttable.4.0 0.7 # center to left mapping ttable.4.1 0.7 # center to right mapping } -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1249705 Title: HDMI output not available in 13.10 To manage notifications about this bug go to: https://bugs.launchpad.net/alsa-driver/+bug/1249705/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs