[Expired for xserver-xorg-video-nouveau (Ubuntu) because there has been
no activity for 60 days.]
** Changed in: xserver-xorg-video-nouveau (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1123097
Title:
Nouveau advertises HDMI audio capability over minidisplayport and mini
dvi connectors
Status in “xserver-xorg-video-nouveau” package in Ubuntu:
Expired
Bug description:
After updating to Quantal (worked fine in Precise and previous
revisions), My TV is being fooled into thinking that an audio signal
is being carried from the HDMI input (not possible as using a DVI-HDMI
cable). As a result, the TV looks for HDMI audio and ignores the
analogue input TV analogue input making it impossible to get audio to
the TV.
I believe this relates to recent changes in nouveau.
Using "nouveau.hdmi_disable" parameter fixes the audio issue but limits the
resolution I can use. It seems some of this behaviour is addressed by EDID
quirks (https://bugzilla.redhat.com/show_bug.cgi?id=806091 , and
https://patchwork.kernel.org/patch/1309291/) which allow for selectively
disabling the HDMI audio component in nouveau. but I don't think they are
implemented yet in Quantal kernel?
Hardware us Mac mini 3,1. Same behaviour occurs using mini DP or mini DVI
connector.
TV is an LG 32LE5900, The same is probably true of all LE5900s.
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