From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 84515] New: [NV96] HDMI audio works, but has audio gaps or pauses Date: Tue, 30 Sep 2014 15:36:05 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0521918777==" Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Nouveau" To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============0521918777== Content-Type: multipart/alternative; boundary="1412091365.0bB37D0A1.24620"; charset="us-ascii" --1412091365.0bB37D0A1.24620 Date: Tue, 30 Sep 2014 15:36:05 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=84515 Priority: medium Bug ID: 84515 Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Summary: [NV96] HDMI audio works, but has audio gaps or pauses QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org Severity: normal Classification: Unclassified OS: Linux (All) Reporter: ppaalanen-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Hardware: x86-64 (AMD64) Status: NEW Version: unspecified Component: Driver/nouveau Product: xorg Created attachment 107133 --> https://bugs.freedesktop.org/attachment.cgi?id=107133&action=edit output of lspci -nn I'm running 3.16.3-gentoo kernel with a nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x096500a1 nouveau [ DEVICE][0000:01:00.0] Chipset: G96 (NV96) On a whim, I decided to try HDMI audio. I plugged in the TV, and extended my desktop there. To my surprise, 'alsamixer' reports "Card: HDA Intel" and "Chip: Nvidia MCP77/78 HDMI". In audacious' ALSA settings, I found a "PCM device" hw:0,3 labeled as "HDMI 0". When I choose that as the output and play a song: - The laptop internal speakers, i.e. the whole normal analog audio output system, produces a loud static, which I have to mute in Alsamixer by muting "Speaker". - The song comes out mostly fine on the TV! (Was this supposed to work??) I found I can mute the HDMI audio in alsamixer by setting "S/PDIF" off. No other control I tried has any effect on it. That is ok for me. Apart from the static in the laptop speakers, the primary annoying problem is that the HDMI audio has short gaps or pauses. I measured it by ear for a couple of minutes, and the gaps occur roughly 33 second intervals. The length of a gap is less than a second, maybe a half second. This bug is about the gaps. This is the same system as in my bug #60680 where we eventually got HDMI video output regression solved. You can find an old mmiotrace there, and VBIOS dump. -- You are receiving this mail because: You are the assignee for the bug. --1412091365.0bB37D0A1.24620 Date: Tue, 30 Sep 2014 15:36:05 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"
Priority medium
Bug ID 84515
Assignee nouveau@lists.freedesktop.org
Summary [NV96] HDMI audio works, but has audio gaps or pauses
QA Contact xorg-team@lists.x.org
Severity normal
Classification Unclassified
OS Linux (All)
Reporter ppaalanen@gmail.com
Hardware x86-64 (AMD64)
Status NEW
Version unspecified
Component Driver/nouveau
Product xorg 

Created attachment 107133 [details]
output of lspci -nn

I'm running 3.16.3-gentoo kernel with a
 nouveau  [  DEVICE][0000:01:00.0] BOOT0  : 0x096500a1
 nouveau  [  DEVICE][0000:01:00.0] Chipset: G96 (NV96)

On a whim, I decided to try HDMI audio. I plugged in the TV, and extended my
desktop there. To my surprise, 'alsamixer' reports "Card: HDA Intel" and "Chip:
Nvidia MCP77/78 HDMI".

In audacious' ALSA settings, I found a "PCM device" hw:0,3 labeled as "HDMI 0".
When I choose that as the output and play a song:

- The laptop internal speakers, i.e. the whole normal analog audio output
system, produces a loud static, which I have to mute in Alsamixer by muting
"Speaker".

- The song comes out mostly fine on the TV! (Was this supposed to work??)

I found I can mute the HDMI audio in alsamixer by setting "S/PDIF" off. No
other control I tried has any effect on it. That is ok for me.

Apart from the static in the laptop speakers, the primary annoying problem is
that the HDMI audio has short gaps or pauses. I measured it by ear for a couple
of minutes, and the gaps occur roughly 33 second intervals. The length of a gap
is less than a second, maybe a half second.

This bug is about the gaps.

This is the same system as in my bug #60680 where we eventually got HDMI video
output regression solved. You can find an old mmiotrace there, and VBIOS dump.

You are receiving this mail because:
  • You are the assignee for the bug.
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