Thanks.
It looks like some unusual things are happening in the kernel a couple
of times:
[ 81.158861] ath10k_pci 0000:6b:00.0: Unknown eventid: 118809
[ 81.161868] ath10k_pci 0000:6b:00.0: Unknown eventid: 90118
and
[ 9845.821302] ath10k_pci 0000:6b:00.0: Unknown eventid: 118809
[ 9845.824344] ath10k_pci 0000:6b:00.0: Unknown eventid: 90118
So this may be a problem with the kernel module.
Can you please also send us output from 'lsusb' and 'journalctl'?
Ideally just after the problem has occurred.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1776080
Title:
After initial install of Bionic, bluetooth stops working QCA6714
Status in bluez package in Ubuntu:
Incomplete
Status in linux package in Ubuntu:
Incomplete
Bug description:
Installed fresh Bionic, everything works. After a few hours,
bluetooth stops working on Qualcomm QCA6714, Lenovo Yoga 920.
Duplicated it twice.
From CLI, it indicates that everything is unblocked and operational.
From GUI, can't get BT switch to turn on BT. Nothing I found online
could fix BT. Requested driver from Qualcomm. No help.
http://paste.ubuntu.com/p/XC5PWRFywp/
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.19
ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17
Uname: Linux 4.15.0-22-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 10 10:34:49 2018
InstallationDate: Installed on 2018-06-09 (0 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
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