Yes.
There is no noise or any other distortion when sound card is playing.
The noise starts 5-10 seconds after the playback is stopped.
In addition there are very loud clicks and pops during boot and shutdown.
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Is the problem like that: when playing something from speaker, there is
no noise. While let speaker standby, there is noise?
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https://bugs.launchpad.net/bugs/1468582
Title:
They patch was applied successfully but that did not help.
Just to be sure I've tested with Kernels 4.4.0-21 and 4.6.0-999.
Attaching new alsa-info.txt.
** Attachment added: "alsa-info.noisy.psn0.txt"
Let us test if disable power_save_node help or not.
edit /etc/modprobe.d/snd_hda_intel.conf to add:
options snd_hda_intel patch=onboard-patch
and specified the hint in /lib/firmware/onboard-patch:
$ cat /lib/firmware/onboard-patch
[codec]
0x10ec0256 0x10280704 0
[hint]
power_save_node = 0
Attaching requested alsa-info.txt pair and the diff.
Besides constant noise there are terrible clicks and pops during system startup
and shutdown.
I've attached corresponding audio recordings.
** Patch added: "alsa-info.noisy.diff"
** Attachment added: "alsa-info.normal.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645619/+files/alsa-info.normal.txt
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** Attachment added: "alsa-info.noisy.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645620/+files/alsa-info.noisy.txt
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** Attachment added: "Shutdown.mp3"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645629/+files/Shutdown.mp3
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** Attachment added: "Startup.mp3"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1468582/+attachment/4645628/+files/Startup.mp3
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utopic has seen the end of its life and is no longer receiving any
updates. Marking the utopic task for this ticket as "Won't Fix".
** Changed in: linux (Ubuntu Utopic)
Status: Fix Committed => Won't Fix
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Please generate two alsa-info.txt, one without the noise and another
with the noise.
Please refer to https://wiki.ubuntu.com/Audio/AlsaInfo
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@anthonywong
Referenced report seems as unrelated.
On my machine, the sound is clear and loud but 10 seconds after playback
ends the noise starts.
I am not familiar with specific design of the soundcard but It
looks/sounds like when it suspended by the driver, analog amplifier left
active
Hi Eugene, can you check the original upstream bug at
https://bugzilla.kernel.org/show_bug.cgi?id=99851 and see if your
problem is the same?
** Bug watch added: Linux Kernel Bug Tracker #99851
http://bugzilla.kernel.org/show_bug.cgi?id=99851
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Seems like Xenial is also affected by that issue, at least when audio device is
idling.
Should I create a new bug report for Xenial?
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This bug was fixed in the package linux - 3.19.0-26.28
---
linux (3.19.0-26.28) vivid; urgency=low
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1483630
[ Upstream Kernel Changes ]
* Revert Bluetooth: ath3k: Add support of 04ca:300d AR3012 device
linux
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
vivid' to 'verification-done-vivid'.
If verification is not done by 5 working days from
** Tags removed: verification-needed-trusty verification-needed-vivid
** Tags added: verification-done-trusty verification-done-vivid
** Changed in: hwe-next
Status: Fix Committed = Fix Released
** Changed in: linux (Ubuntu)
Status: Fix Committed = Fix Released
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** Branch linked: lp:ubuntu/trusty-proposed/linux-lts-vivid
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Title:
Noisy (pop noise + white noise) headphone audio on Dell XPS 13
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Vivid)
Status: New = Fix Committed
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** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Utopic)
Status: New = Fix Committed
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** Changed in: linux (Ubuntu Trusty)
Status: New = Fix Committed
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Title:
Noisy (pop noise + white noise) headphone audio on
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided = High
** Changed in: linux (Ubuntu Utopic)
Importance: Undecided = High
** Changed in: hwe-next
Status: In Progress = Fix Committed
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** Changed in: linux (Ubuntu)
Status: In Progress = Fix Committed
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Title:
Noisy (pop noise + white noise) headphone audio on
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