The 3.11 kernel with radeon.audio=1 should work also, it's the method I
was using before. But your system could behave differently as it's a
different and more modern radeon card (HD 7770 in your case).
If the 3.11 kernel does not have the support for it (you could check in
some linux kernel
Then the only solution is upgrade kernel? because adding radeon.audio=1
to boot secuence seems to do nothing.
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https://bugs.launchpad.net/bugs/1268229
Title:
not HDMI output option
I've found this on https://wiki.gentoo.org/wiki/Radeon, but if it works
it means kernel should be recompilated.
Processor type and features ---
[*] MTRR (Memory Type Range Register) support
Device Drivers ---
Graphics support ---
If your card sits in an AGP slot, choose your
BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic
root=UUID=dbd92065-6644-4e70-ab93-bb5447147959 ro quiet splash
radeon.audio=1 vt.handoff=7
[2.205220] [drm] HDMI-A-1
[3.172721] input: HDA ATI HDMI HDMI/DP,pcm=11 as
/devices/pci:00/:00:02.0/:01:00.1/sound/card1/input13
[
After upgrading kernel to http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.13-rc8-trusty/ everything works fine with HDMI.
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Title:
not HDMI
That's also an option; the 3.13 has radeon HDMI audio enabled by
default. Just remember that the 3.13 kernel is not supported in your
current Ubuntu release (13.10).
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Should I go back to 3.11 then?
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Title:
not HDMI output option (audio) xserver-xorg-video-ati
(1:7.2.0-0ubuntu10)
To manage notifications
With a kernel before 3.13 (first included in Ubuntu trusty) the HDMI
output is not enabled by default in the open source driver. Please,
check that you're using the kernel parameter radeon.audio=1 during boot,
or add it to your grub configuration.
** Changed in: xserver-xorg-video-ati (Ubuntu)
How can I eliminate the duplicate
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1268222 ?
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https://bugs.launchpad.net/bugs/1268229
Title:
not HDMI output option (audio)
I added GRUB_CMDLINE_LINUX_DEFAULT=quiet splash radeon.audio=1 in
/etc/default/grub/ then used grub-mkconfig and update-grub with and
without 2, but still doesn't work.
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About the bug itself: can you please add here the output of the command: cat
/proc/cmdline and dmesg | grep HDMI ?
Also, note that, once you have enabled the HDMI audio option in the kernel, you
need to select it for output on the ubuntu sound settings.
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right top of the page (Mark as duplicate) and then indicate the main
bug number from which that bug is a duplicate.
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