Public bug reported:
I had just done a power and BIOS reset to fix a battery problem --
disconnected the battery and the CMOS battery, and held down buttons to
reset the power configuration and BIOS. (Not sure I would recommend
this, but it worked!)
Booting back into Ubuntu, I had this problem. Things seemed normal, but
WiFi wouldn't connect, and any interaction with the system (trying to
change wifi networks, turn off wifi, power down, restart) just resulted
in no response. I did a Alt-SysRq REISUB and booted back in, saw this
error report, and here we are.
ProblemType: KernelOops
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-15-generic 4.15.0-15.16 [modified:
boot/vmlinuz-4.15.0-15-generic]
ProcVersionSignature: Ubuntu 4.15.0-15.16-generic 4.15.15
Uname: Linux 4.15.0-15-generic x86_64
Annotation: Your system might become unstable now and might need to be
restarted.
ApportVersion: 2.20.9-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: steve 1266 F.... pulseaudio
Date: Sun Apr 22 14:25:35 2018
Failure: oops
InstallationDate: Installed on 2018-04-21 (1 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180420)
MachineType: Acer Spin SP515-51GN
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-15-generic.efi.signed
root=UUID=9e351fb3-4ce7-444e-bfe9-07b1c7cd1519 ro quiet splash vt.handoff=1
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions: kerneloops-daemon N/A
SourcePackage: linux
Title: watchdog: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:1:75]
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/26/2017
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.03
dmi.board.name: Buzz_KL
dmi.board.vendor: KBL
dmi.board.version: V1.03
dmi.chassis.type: 31
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.03
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.03:bd10/26/2017:svnAcer:pnSpinSP515-51GN:pvrV1.03:rvnKBL:rnBuzz_KL:rvrV1.03:cvnAcer:ct31:cvrV1.03:
dmi.product.family: Spin 5
dmi.product.name: Spin SP515-51GN
dmi.product.version: V1.03
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-kerneloops bionic kernel-oops
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https://bugs.launchpad.net/bugs/1766078
Title:
watchdog: BUG: soft lockup - CPU#7 stuck for 23s! [kworker/7:1:75]
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