Public bug reported:
This started happening today so probably a new issue caused by a kernel
update.
Randomly, maybe every 45 minutes wifi disconnects and reconnects.
Attached is a log output from dmesg. Looks like issue is in the iwlwifi
driver. Disconnect causes TCP connections to drop so it's quite annoying
for end user.
ThinkPad T460p, up to date kernel on Ubuntu 17.04.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: linux-image-4.10.0-40-generic 4.10.0-40.44
ProcVersionSignature: Ubuntu 4.10.0-40.44-generic 4.10.17
Uname: Linux 4.10.0-40-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: vranki 2298 F...m pulseaudio
/dev/snd/controlC1: vranki 2298 F.... pulseaudio
/dev/snd/controlC0: vranki 2298 F.... pulseaudio
CurrentDesktop: X-Cinnamon
Date: Wed Nov 22 16:57:46 2017
HibernationDevice: RESUME=UUID=65d76bf9-e895-4dbb-9424-bfd0d498bd43
InstallationDate: Installed on 2017-03-29 (238 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Beta amd64 (20170321)
MachineType: LENOVO 20FW0042MS
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-40-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.10.0-40-generic N/A
linux-backports-modules-4.10.0-40-generic N/A
linux-firmware 1.164.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/26/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R07ET71W (2.11 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FW0042MS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR07ET71W(2.11):bd09/26/2016:svnLENOVO:pn20FW0042MS:pvrThinkPadT460p:rvnLENOVO:rn20FW0042MS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FW0042MS
dmi.product.version: ThinkPad T460p
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
** Attachment added: "Output in dmesg when the issue occurs"
https://bugs.launchpad.net/bugs/1733888/+attachment/5012870/+files/iwlwifi_crash.txt
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https://bugs.launchpad.net/bugs/1733888
Title:
iwlwifi Error sending STATISTICS_CMD: time out after 2000ms.
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