Ubuntu
linux package

Linux reports Samson Meteor USB mic as an output device

Bug #1762725 reported by Carlos Echenique on 2018-04-10

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Expired	Medium	Unassigned

Bug Description

Whenever I reboot my system, pulseaudio selects my Samson Meteor USB mic as the default output device. I have to manually select the analog output every time. Also, the Default effect sound does not make any noise.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pulseaudio 1:11.1-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
Uname: Linux 4.15.0-13-generic x86_64
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: guru 2355 F.... pulseaudio
/dev/snd/controlC1: guru 2355 F.... pulseaudio
/dev/snd/controlC0: guru 2355 F.... pulseaudio
CurrentDesktop: Budgie:GNOME
Date: Tue Apr 10 08:54:30 2018
InstallationDate: Installed on 2018-04-07 (2 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/06/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A.52
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
dmi.board.vendor: MSI
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 4
dmi.chassis.vendor: MSI
dmi.chassis.version: 2.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A37
dmi.product.version: 2.0
dmi.sys.vendor: MSI
---
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: guru 2402 F.... pulseaudio
/dev/snd/controlC1: guru 2402 F.... pulseaudio
/dev/snd/controlC0: guru 2402 F.... pulseaudio
CurrentDesktop: Budgie:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2018-04-07 (3 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
IwConfig:
enp30s0 no wireless extensions.

lo no wireless extensions.
MachineType: MSI MS-7A37
Package: linux (not installed)
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=9407e2de-9df6-494d-8d4a-ab6fd82dbe85 ro quiet splash vt.handoff=1
ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
RelatedPackageVersions:
linux-restricted-modules-4.15.0-13-generic N/A
linux-backports-modules-4.15.0-13-generic N/A
linux-firmware 1.173
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Tags: bionic
Uname: Linux 4.15.0-13-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 06/06/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: A.52
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
dmi.board.vendor: MSI
dmi.board.version: 2.0
dmi.chassis.asset.tag: To be filled by O.E.M.
dmi.chassis.type: 4
dmi.chassis.vendor: MSI
dmi.chassis.version: 2.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7A37
dmi.product.version: 2.0
dmi.sys.vendor: MSI
---
ApportVersion: 2.20.9-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: guru 2402 F.... pulseaudio
/dev/snd/controlC1: guru 2402 F.... pulseaudio
/dev/snd/controlC0: guru 2402 F.... pulseaudio
CurrentDesktop: Budgie:GNOME
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2018-04-07 (3 days ago)
InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
IwConfig:
enp30s0 no wireless extensions.

See original description

Tags:

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-10:

AlsaInfo.txt Edit (65.2 KiB, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (88.1 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (3.2 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (136 bytes, text/plain; charset="utf-8")
PulseList.txt Edit (37.5 KiB, text/plain; charset="utf-8")

Revision history for this message

Daniel van Vugt (vanvugt) wrote on 2018-04-11:

PulseAudio is selecting the USB device for output because that's correct behaviour for USB speakers. And PulseAudio thinks the mic is a speaker because that's what ALSA seems to be telling it.

The real problem here is that the Linux kernel seems to be reporting the mic is an output device. Much like bug 1749207.

affects:	pulseaudio (Ubuntu) → linux (Ubuntu)
summary:	- Ubuntu Budgie selects USB mic as default audio output after every - reboot. + Linux reports Samson Meteor USB mic as an output device

Revision history for this message

Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote on 2018-04-11: Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1762725

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status:	New → Incomplete

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: AlsaInfo.txt

AlsaInfo.txt Edit (65.3 KiB, text/plain)

apport information

tags:	added: apport-collected
description:	updated

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: CRDA.txt

CRDA.txt Edit (454 bytes, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: CurrentDmesg.txt

CurrentDmesg.txt Edit (86.8 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: Lspci.txt

Lspci.txt Edit (21.5 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: Lsusb.txt

Lsusb.txt Edit (1.3 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcCpuinfo.txt

ProcCpuinfo.txt Edit (21.2 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcCpuinfoMinimal.txt

#10

ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcEnviron.txt

#11

ProcEnviron.txt Edit (136 bytes, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcInterrupts.txt

#12

ProcInterrupts.txt Edit (10.2 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcModules.txt

#13

ProcModules.txt Edit (4.5 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: PulseList.txt

#14

PulseList.txt Edit (36.9 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: UdevDb.txt

#15

UdevDb.txt Edit (259.7 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: WifiSyslog.txt

#16

WifiSyslog.txt Edit (116.0 KiB, text/plain)

apport information

description:

updated

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: AlsaInfo.txt

#17

AlsaInfo.txt Edit (65.3 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: CRDA.txt

#18

CRDA.txt Edit (426 bytes, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: CurrentDmesg.txt

#19

CurrentDmesg.txt Edit (87.1 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: Lspci.txt

#20

Lspci.txt Edit (21.5 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: Lsusb.txt

#21

Lsusb.txt Edit (1.3 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcCpuinfo.txt

#22

ProcCpuinfo.txt Edit (21.2 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcCpuinfoMinimal.txt

#23

ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcEnviron.txt

#24

ProcEnviron.txt Edit (136 bytes, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcInterrupts.txt

#25

ProcInterrupts.txt Edit (10.2 KiB, text/plain)

apport information

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Carlos Echenique (etrigan63) wrote on 2018-04-11: ProcModules.txt

#26

ProcModules.txt Edit (4.6 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: PulseList.txt

#27

PulseList.txt Edit (36.9 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: UdevDb.txt

#28

UdevDb.txt Edit (259.6 KiB, text/plain)

apport information

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: WifiSyslog.txt

#29

WifiSyslog.txt Edit (116.4 KiB, text/plain)

apport information

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-04-11:

#30

Oops, didn't see Daniel already triaged this.

no longer affects:

pulseaudio (Ubuntu)

Daniel van Vugt (vanvugt) on 2018-04-11

Changed in linux (Ubuntu):
status:	Incomplete → New

Revision history for this message

Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote on 2018-04-11: Status changed to Confirmed

#31

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-04-11:

#32

Please try daily kernel at [1]. I think this commit is to solve the issue. The fix is not in mainline yet.

commit 5a222e8494524d04cc8de63726644759e5b132f7
Author: Andrew Chant <email address hidden>
Date: Fri Mar 23 19:25:23 2018 -0700

ALSA: usb-audio: UAC2 jack detection

[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-04-11: Re: [Bug 1762725] Re: Linux reports Samson Meteor USB mic as an output device

#33

Download full text (6.6 KiB)

I am not that brave. I will wait until it is mainlined.

Carlos EcheniquePhotographer
<email address hidden> (https://link.getmailspring<email address hidden>/0?redirect=mailto%3Acarlos%40echenique.com&recipient=MTc2MjcyNUBidWdzLmxhdW5jaHBhZC5uZXQ%3D)
305-219-2433 (tel:305-219-2433)
http://www.cephotographic.com (https://link.getmailspring<email address hidden>/1?redirect=http%3A%2F%2Fwww.cephotographic.com&recipient=MTc2MjcyNUBidWdzLmxhdW5jaHBhZC5uZXQ%3D)

On Apr 11 2018, at 1:47 am, Kai-Heng Feng <email address hidden> wrote:
>
> Please try daily kernel at [1]. I think this commit is to solve the
> issue. The fix is not in mainline yet.
>
> commit 5a222e8494524d04cc8de63726644759e5b132f7
> Author: Andrew Chant <email address hidden>
> Date: Fri Mar 23 19:25:23 2018 -0700
>
> ALSA: usb-audio: UAC2 jack detection
> [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1762725
>
> Title:
> Linux reports Samson Meteor USB mic as an output device
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> Whenever I reboot my system, pulseaudio selects my Samson Meteor USB
> mic as the default output device. I have to manually select the analog
> output every time. Also, the Default effect sound does not make any
> noise.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 18.04
> Package: pulseaudio 1:11.1-1ubuntu7
> ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
> Uname: Linux 4.15.0-13-generic x86_64
> ApportVersion: 2.20.9-0ubuntu4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: guru 2355 F.... pulseaudio
> /dev/snd/controlC1: guru 2355 F.... pulseaudio
> /dev/snd/controlC0: guru 2355 F.... pulseaudio
> CurrentDesktop: Budgie:GNOME
> Date: Tue Apr 10 08:54:30 2018
> InstallationDate: Installed on 2018-04-07 (2 days ago)
> InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
> SourcePackage: pulseaudio
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 06/06/2017
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: A.52
> dmi.board.asset.tag: To be filled by O.E.M.
> dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
> dmi.board.vendor: MSI
> dmi.board.version: 2.0
> dmi.chassis.asset.tag: To be filled by O.E.M.
> dmi.chassis.type: 4
> dmi.chassis.vendor: MSI
> dmi.chassis.version: 2.0
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: MS-7A37
> dmi.product.version: 2.0
> dmi.sys.vendor: MSI
> ---
> ApportVersion: 2.20.9-0ubuntu4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: guru 2402 F.... pulseaudio
> /dev/snd/controlC1: guru 2402 F.... pulseaudio
> /dev/snd/controlC0: guru 2402 F.... pulseaudio
> CurrentDesktop: Budgie:GNOME
> DistroRelease: Ubuntu 18.04
> InstallationD...

I am not that brave. I will wait until it is mainlined.

Carlos EcheniquePhotographer
carlos@echenique.com (https://link.getmailspring.com/link/1523426190.local-9f4ce629-c6e6-v1.2.1-7e7447b6@getmailspring.com/0?redirect=mailto%3Acarlos%40echenique.com&recipient=MTc2MjcyNUBidWdzLmxhdW5jaHBhZC5uZXQ%3D)
305-219-2433 (tel:305-219-2433)
http://www.cephotographic.com (https://link.getmailspring.com/link/1523426190.local-9f4ce629-c6e6-v1.2.1-7e7447b6@getmailspring.com/1?redirect=http%3A%2F%2Fwww.cephotographic.com&recipient=MTc2MjcyNUBidWdzLmxhdW5jaHBhZC5uZXQ%3D)

On Apr 11 2018, at 1:47 am, Kai-Heng Feng <kai.heng.feng@canonical.com> wrote:
>
> Please try daily kernel at [1]. I think this commit is to solve the
> issue. The fix is not in mainline yet.
>
> commit 5a222e8494524d04cc8de63726644759e5b132f7
> Author: Andrew Chant <achant@google.com>
> Date: Fri Mar 23 19:25:23 2018 -0700
>
> ALSA: usb-audio: UAC2 jack detection
> [1] http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1762725
>
> Title:
> Linux reports Samson Meteor USB mic as an output device
>
> Status in linux package in Ubuntu:
> Confirmed
>
> Bug description:
> Whenever I reboot my system, pulseaudio selects my Samson Meteor USB
> mic as the default output device. I have to manually select the analog
> output every time. Also, the Default effect sound does not make any
> noise.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 18.04
> Package: pulseaudio 1:11.1-1ubuntu7
> ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
> Uname: Linux 4.15.0-13-generic x86_64
> ApportVersion: 2.20.9-0ubuntu4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: guru 2355 F.... pulseaudio
> /dev/snd/controlC1: guru 2355 F.... pulseaudio
> /dev/snd/controlC0: guru 2355 F.... pulseaudio
> CurrentDesktop: Budgie:GNOME
> Date: Tue Apr 10 08:54:30 2018
> InstallationDate: Installed on 2018-04-07 (2 days ago)
> InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
> SourcePackage: pulseaudio
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 06/06/2017
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: A.52
> dmi.board.asset.tag: To be filled by O.E.M.
> dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
> dmi.board.vendor: MSI
> dmi.board.version: 2.0
> dmi.chassis.asset.tag: To be filled by O.E.M.
> dmi.chassis.type: 4
> dmi.chassis.vendor: MSI
> dmi.chassis.version: 2.0
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: MS-7A37
> dmi.product.version: 2.0
> dmi.sys.vendor: MSI
> ---
> ApportVersion: 2.20.9-0ubuntu4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: guru 2402 F.... pulseaudio
> /dev/snd/controlC1: guru 2402 F.... pulseaudio
> /dev/snd/controlC0: guru 2402 F.... pulseaudio
> CurrentDesktop: Budgie:GNOME
> DistroRelease: Ubuntu 18.04
> InstallationDate: Installed on 2018-04-07 (3 days ago)
> InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
> IwConfig:
> enp30s0 no wireless extensions.
>
> lo no wireless extensions.
> MachineType: MSI MS-7A37
> Package: linux (not installed)
> ProcFB: 0 amdgpudrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=9407e2de-9df6-494d-8d4a-ab6fd82dbe85 ro quiet splash vt.handoff=1
> ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
> RelatedPackageVersions:
> linux-restricted-modules-4.15.0-13-generic N/A
> linux-backports-modules-4.15.0-13-generic N/A
> linux-firmware 1.173
> RfKill:
> 0: hci0: Bluetooth
> Soft blocked: no
> Hard blocked: no
> Tags: bionic
> Uname: Linux 4.15.0-13-generic x86_64
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
> _MarkForUpload: True
> dmi.bios.date: 06/06/2017
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: A.52
> dmi.board.asset.tag: To be filled by O.E.M.
> dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
> dmi.board.vendor: MSI
> dmi.board.version: 2.0
> dmi.chassis.asset.tag: To be filled by O.E.M.
> dmi.chassis.type: 4
> dmi.chassis.vendor: MSI
> dmi.chassis.version: 2.0
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: MS-7A37
> dmi.product.version: 2.0
> dmi.sys.vendor: MSI
> ---
> ApportVersion: 2.20.9-0ubuntu4
> Architecture: amd64
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC2: guru 2402 F.... pulseaudio
> /dev/snd/controlC1: guru 2402 F.... pulseaudio
> /dev/snd/controlC0: guru 2402 F.... pulseaudio
> CurrentDesktop: Budgie:GNOME
> DistroRelease: Ubuntu 18.04
> InstallationDate: Installed on 2018-04-07 (3 days ago)
> InstallationMedia: Ubuntu-Budgie 18.04 LTS "Bionic Beaver" - Beta amd64 (20180404)
> IwConfig:
> enp30s0 no wireless extensions.
>
> lo no wireless extensions.
> MachineType: MSI MS-7A37
> Package: linux (not installed)
> ProcFB: 0 amdgpudrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed root=UUID=9407e2de-9df6-494d-8d4a-ab6fd82dbe85 ro quiet splash vt.handoff=1
> ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
> RelatedPackageVersions:
> linux-restricted-modules-4.15.0-13-generic N/A
> linux-backports-modules-4.15.0-13-generic N/A
> linux-firmware 1.173
> RfKill:
> 0: hci0: Bluetooth
> Soft blocked: no
> Hard blocked: no
> Tags: bionic
> Uname: Linux 4.15.0-13-generic x86_64
> UpgradeStatus: No upgrade log present (probably fresh install)
> UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
> _MarkForUpload: True
> dmi.bios.date: 06/06/2017
> dmi.bios.vendor: American Megatrends Inc.
> dmi.bios.version: A.52
> dmi.board.asset.tag: To be filled by O.E.M.
> dmi.board.name: B350M MORTAR ARCTIC (MS-7A37)
> dmi.board.vendor: MSI
> dmi.board.version: 2.0
> dmi.chassis.asset.tag: To be filled by O.E.M.
> dmi.chassis.type: 4
> dmi.chassis.vendor: MSI
> dmi.chassis.version: 2.0
> dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA.52:bd06/06/2017:svnMSI:pnMS-7A37:pvr2.0:rvnMSI:rnB350MMORTARARCTIC(MS-7A37):rvr2.0:cvnMSI:ct4:cvr2.0:
> dmi.product.family: To be filled by O.E.M.
> dmi.product.name: MS-7A37
> dmi.product.version: 2.0
> dmi.sys.vendor: MSI
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1762725/+subscriptions
>

Joseph Salisbury (jsalisbury) on 2018-04-11

Changed in linux (Ubuntu):
importance:	Undecided → Medium
status:	Confirmed → Incomplete

Revision history for this message

Launchpad Janitor (janitor) wrote on 2018-06-11:

#34

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

Changed in linux (Ubuntu):
status:	Incomplete → Expired

Revision history for this message

Carlos Echenique (etrigan63) wrote on 2018-06-11:

#35

Any idea when that kernel will be pushed out to regular users? I am still experiencing this issue.

Revision history for this message

Kai-Heng Feng (kaihengfeng) wrote on 2018-06-19:

#36

If trying mainline kernel is not an option, wait for Cosmic (18.10).

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Linux reports Samson Meteor USB mic as an output device

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