apport information
** Attachment added: "acpidump.txt"
https://bugs.launchpad.net/bugs/1902457/+attachment/5430357/+files/acpidump.txt
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1902457
Title:
regression: no sound cards detected on lenovo yoga c930 after
focal->groovy upgrade
Status in linux package in Ubuntu:
Confirmed
Bug description:
After upgrading to Groovy, my sound cards no longer work. Alsa-info says "no
soundcards detected"
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ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu50
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CasperMD5CheckResult: skip
CurrentDesktop: XFCE
DistroRelease: Ubuntu 20.10
InstallationDate: Installed on 2019-07-25 (465 days ago)
InstallationMedia: Xubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 007: ID 8087:0025 Intel Corp. Wireless-AC 9260 Bluetooth
Adapter
Bus 001 Device 006: ID 06cb:0081 Synaptics, Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Lsusb-t:
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
|__ Port 5: Dev 6, If 0, Class=Vendor Specific Class, Driver=, 12M
|__ Port 8: Dev 7, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 8: Dev 7, If 0, Class=Wireless, Driver=btusb, 12M
MachineType: LENOVO 81C4
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.8.0-26-generic
root=/dev/mapper/xubuntu--c930-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.8.0-26.27-generic 5.8.14
RelatedPackageVersions:
linux-restricted-modules-5.8.0-26-generic N/A
linux-backports-modules-5.8.0-26-generic N/A
linux-firmware 1.190
Tags: groovy
Uname: Linux 5.8.0-26-generic x86_64
UnreportableReason: This report is about a package that is not installed.
UpgradeStatus: Upgraded to groovy on 2020-10-30 (2 days ago)
UserGroups: adm cdrom dialout dip i2c input lpadmin plugdev sambashare sudo
video
_MarkForUpload: False
dmi.bios.date: 10/09/2018
dmi.bios.release: 1.32
dmi.bios.vendor: LENOVO
dmi.bios.version: 8GCN32WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0R32862 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 31
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo YOGA C930-13IKB
dmi.ec.firmware.release: 1.32
dmi.modalias:
dmi:bvnLENOVO:bvr8GCN32WW:bd10/09/2018:br1.32:efr1.32:svnLENOVO:pn81C4:pvrLenovoYOGAC930-13IKB:rvnLENOVO:rnLNVNB161216:rvrSDK0R32862WIN:cvnLENOVO:ct31:cvrLenovoYOGAC930-13IKB:
dmi.product.family: YOGA C930-13IKB
dmi.product.name: 81C4
dmi.product.sku: LENOVO_MT_81C4_BU_idea_FM_YOGA C930-13IKB
dmi.product.version: Lenovo YOGA C930-13IKB
dmi.sys.vendor: LENOVO
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