Still having this problem in 2020 (18.04)
Spent the last 4-5 hours trying to fix it.
Just found this thread.
Not sure how relevant (new to Ubuntu/Linux since 2019), but I noticed this...
When running 'sudo lspci -v'
BEFORE SUSPEND/SLEEP
00:1f.3 Audio device: Intel Corporation 100 Series/C230 Series Chipset Family
HD Audio Controller (rev 31)
Subsystem: ASUSTeK Computer Inc. Sunrise Point-H HD Audio
Flags: bus master, fast devsel, latency 32, IRQ 141
Memory at dd428000 (64-bit, non-prefetchable) [size=16K]
Memory at dd400000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 3
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
AFTER SUSPEND
00:1f.3 Audio device: Intel Corporation 100 Series/C230 Series Chipset Family
HD Audio Controller (rev 31)
Subsystem: ASUSTeK Computer Inc. Sunrise Point-H HD Audio
Flags: bus master, fast devsel, latency 32, IRQ 131
Memory at dd428000 (64-bit, non-prefetchable) [size=16K]
Memory at dd400000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 3
Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
The IRQ number is changed. Not sure why that is happening or if it
should be of concern, or creating some sort of conflict?
However, when I run 'pacmd list-cards', I see 'alsa.long_card_name =
"HDA Intel PCH at 0xdd428000 irq 141"', so I'm wondering if the OS gets
confused somehow upon sleep/hibernate?
I can't get any fixes to work besides rebooting - would really love even a
temporary fix here.
(the old fix doesn't work for me on 18.04
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1547024/comments/3 )
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https://bugs.launchpad.net/bugs/1547024
Title:
[N501VW, Realtek ALC668, Black Headphone Out, Right] Static Noise
Problem
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