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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: eoan
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https://bugs.launchpad.net/bugs/1856308
Title:
[Realtek Audio Codec ALC294] [ASUS R542UF] Since Linux 4.20 and newer
no sound at all
Status in linux package in Ubuntu:
Incomplete
Bug description:
Similar issue https://bugs.launchpad.net/ubuntu/+source/alsa-
driver/+bug/1784485
tl;dr
I have sound only under 4.19.x series.
I have NOT sound at all under newer kernel series.
HW Details:
```
kubuntu@kubuntu:~$ sudo hwinfo --sound
20: PCI 1f.3: 0403 Audio device
[Created at pci.386]
Unique ID: nS1_.b28td23g3aB
SysFS ID: /devices/pci0000:00/0000:00:1f.3
SysFS BusID: 0000:00:1f.3
Hardware Class: sound
Model: "Intel Sunrise Point-LP HD Audio"
Vendor: pci 0x8086 "Intel Corporation"
Device: pci 0x9d71 "Sunrise Point-LP HD Audio"
SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
SubDevice: pci 0x1a00
Revision: 0x21
Driver: "snd_hda_intel"
Driver Modules: "snd_hda_intel"
Memory Range: 0xef528000-0xef52bfff (rw,non-prefetchable)
Memory Range: 0xef500000-0xef50ffff (rw,non-prefetchable)
IRQ: 132 (1577 events)
Module Alias: "pci:v00008086d00009D71sv00001043sd00001A00bc04sc03i00"
Driver Info #0:
Driver Status: snd_hda_intel is active
Driver Activation Cmd: "modprobe snd_hda_intel"
Driver Info #1:
Driver Status: snd_soc_skl is active
Driver Activation Cmd: "modprobe snd_soc_skl"
Config Status: cfg=new, avail=yes, need=no, active=unknown
```
```
Linux version 5.3.0-24-generic (buildd@lgw01-amd64-035) (gcc version 9.2.1
20191008 (Ubuntu 9.2.1-9ubuntu2)) #26-Ubuntu SMP Thu Nov 14 01:33:18 UTC 2019
(Ubuntu 5.3.0-24.26-generic 5.3.10)
```
```
[ 0.000000] efi: EFI v2.60 by American Megatrends
[ 0.000000] efi: TPMFinalLog=0x8adf0000 ACPI 2.0=0x8a98d000
ACPI=0x8a98d000 SMBIOS=0x8b214000 SMBIOS 3.0=0x8b213000 ESRT=0x884d4e98
MEMATTR=0x8739a018
[ 0.000000] secureboot: Secure boot could not be determined (mode 0)
[ 0.000000] SMBIOS 3.0.0 present.
[ 0.000000] DMI: ASUSTeK COMPUTER INC. VivoBook 15_ASUS Laptop
X542UF/X542UF, BIOS X542UF.307 06/13/2019
[ 0.000000] tsc: Detected 1800.000 MHz processor
[ 0.000000] [Firmware Bug]: TSC ADJUST: CPU0: -214721515 force to 0
```
```
kubuntu@kubuntu:~$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor
Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200
v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 08)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI
Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP
Thermal subsystem (rev 21)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP
Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP
Serial IO I2C Controller #1 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME
HECI #1 (rev 21)
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller
[AHCI mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port
#1 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port
#5 (rev f1)
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port
#6 (rev f1)
00:1e.0 Signal processing controller: Intel Corporation Sunrise Point-LP
Serial IO UART Controller #0 (rev 21)
00:1e.2 Signal processing controller: Intel Corporation Sunrise Point-LP
Serial IO SPI Controller #0 (rev 21)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point LPC Controller/eSPI
Controller (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 3D controller: NVIDIA Corporation GM108M [GeForce MX130] (rev a2)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
03:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless
Network Adapter (rev 31)
```
```
kubuntu@kubuntu:~$ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: ALC294 Analog [ALC294 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
Subdevices: 1/1
Subdevice #0: subdevice #0
```
FULL DMESG https://pastebin.com/raw/Bwbd846d
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