# Raymond (superquad-vortex2) wrote on 2013-09-24 > ftp://download.nvidia.com/XFree86/gpu-hdmi-audio-document/gpu-hdmi-audio.html#_verify_your_eld_is_valid > do you have valid ELD ?
With a nod to the immortal ABBA: I do, I do; oh well - only 2: ;-) $ cat /proc/asound/card1/eld#0.0 monitor_present 0 eld_valid 0 $ cat /proc/asound/card1/eld#0.1 monitor_present 1 eld_valid 1 monitor_name SANYO Z4000 connection_type HDMI eld_version [0x2] CEA-861D or below edid_version [0x3] CEA-861-B, C or D manufacture_id 0x2e4c product_id 0xba0c port_id 0x20000 support_hdcp 0 support_ai 0 audio_sync_delay 0 speakers [0xf] FL/FR LFE FC RL/RR sad_count 4 sad0_coding_type [0x1] LPCM sad0_channels 2 sad0_rates [0x6e0] 32000 44100 48000 88200 96000 sad0_bits [0xe0000] 16 20 24 sad1_coding_type [0x1] LPCM sad1_channels 6 sad1_rates [0x6e0] 32000 44100 48000 88200 96000 sad1_bits [0xe0000] 16 20 24 sad2_coding_type [0x2] AC-3 sad2_channels 6 sad2_rates [0xe0] 32000 44100 48000 sad2_max_bitrate 640000 sad3_coding_type [0x7] DTS sad3_channels 6 sad3_rates [0xe0] 32000 44100 48000 sad3_max_bitrate 1536000 For the record, this results from the combined EDID (as attached, per /etc/X11/xorg.conf) of projector and 5.1 audio system through which the HDMI to display is routed (i.e. the audio sink, forced permanently detectable lest it crashes the machine in the middle of anything important due to the snd_hda_codec_hdmi bug when turned on later while that module is loaded): Section "Device" Identifier "Device0" Driver "nvidia" VendorName "NVIDIA Corporation" BoardName "GeForce GT 520" Option "ConnectedMonitor" "DFP-1" Option "CustomEDID" "DFP-1:/etc/X11/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin" EndSection The other port is DVI. ** Attachment added: "/etc/X11/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203520/+attachment/3848633/+files/SANYO_Z4000_thru_Samsung_HT-C5500.edid.bin -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1203520 Title: 10de:1040 snd_hda_codec_hdmi (via pavucontrol or applications playing sound) freezes Ubuntu 12.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1203520/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs