Public bug reported:
System: Linux Dell-XPS-13-9360 4.15.0-70-generic #79-Ubuntu SMP Tue Nov
12 10:36:11 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Problem: Wifi randomly drops out. For example, I had trouble downloading
a folder from a ssh server at uni. During the download, the wifi
stopped. In the log of journalctl --follow, I found many records of the
kernel complaining about an unknown pci event, which I think is related
to the wifi dropping out. The output of journalctl --follow during the
wifi drop outs is attached as the file log.txt. I deleted all entries
from Nautilus and plank.desktop.
Additional notes: simply turning the wifi on and off again re-
establishes the connection, but obviously irritating if I need to
download lots of files from a ssh server. Furthermore, my iPad has
internet connection after my Linux laptop wifi drops out, so the problem
is not the router/ISP.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-70-generic 4.15.0-70.79
ProcVersionSignature: Ubuntu 4.15.0-70.79-generic 4.15.18
Uname: Linux 4.15.0-70-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.9
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: albert 2011 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 18 14:31:06 2019
HibernationDevice: RESUME=UUID=9f8b6855-caac-4e96-91bd-b366050fd722
InstallationDate: Installed on 2017-02-26 (995 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64
(20170215.2)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0bda:568b Realtek Semiconductor Corp.
Bus 001 Device 003: ID 0cf3:e300 Atheros Communications, Inc.
Bus 001 Device 002: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 13 9360
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-70-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-70-generic N/A
linux-backports-modules-4.15.0-70-generic N/A
linux-firmware 1.173.12
SourcePackage: linux
UpgradeStatus: Upgraded to bionic on 2018-10-06 (407 days ago)
dmi.bios.date: 05/26/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.12.0
dmi.board.name: 0T3FTF
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr2.12.0:bd05/26/2019:svnDellInc.:pnXPS139360:pvr:rvnDellInc.:rn0T3FTF:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.family: XPS
dmi.product.name: XPS 13 9360
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Attachment added: "Output of journalctl --follow"
https://bugs.launchpad.net/bugs/1853005/+attachment/5306205/+files/log.txt
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https://bugs.launchpad.net/bugs/1853005
Title:
Wifi randomly drops out
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