I just checked: I cannot reproduce the effect with linux-
image-5.4.0-173-generic, i.e. the mentioned problem seems to have been
silently fixed.
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1909474
Title:
System hangs after attaching Mediatek mt76x2u based USB Wifi network
adapter
Status in linux package in Ubuntu:
Fix Released
Bug description:
After attaching a Mediatek mt76x2u based USB Wifi network adapter the
system (Ubuntu 20.04.1 LTS linux version 5.4.0-58-generic) hangs
My findings after some testing:
- A freshly installed Ubuntu 20.04 (for testing purposes) with an outdated
kernel 5.4.0-26 is not affected as the USB Wifi network adapter works without
any problems.
- After updating this system to kernel version 5.4.0-58 the problem can be
reproduced.
- After upgrading to Ubuntu 20.10 with kernel version 5.8.0-33 the USB Wifi
network adapter works without any problems.
So I guess it could be a software problem (maybe linux-image oder
linux-modules?).
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: joerg 821 F.... pulseaudio
CasperMD5CheckResult: skip
DistroRelease: Ubuntu 20.04
InstallationDate: Installed on 2020-03-14 (291 days ago)
InstallationMedia: Xubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
IwConfig:
enp0s25 no wireless extensions.
lo no wireless extensions.
MachineType: FUJITSU ESPRIMO P7936
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcEnviron:
LANGUAGE=de_DE
TERM=xterm-256color
PATH=(custom, no user)
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-58-generic
root=UUID=62b871bf-f08a-4cd3-90a5-d6e3d83c7e9c ro quiet splash
ProcVersionSignature: Ubuntu 5.4.0-58.64-generic 5.4.73
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-5.4.0-58-generic N/A
linux-backports-modules-5.4.0-58-generic N/A
linux-firmware 1.187.6
RfKill:
Tags: focal
Uname: Linux 5.4.0-58-generic x86_64
UpgradeStatus: Upgraded to focal on 2020-12-27 (2 days ago)
UserGroups: N/A
_MarkForUpload: True
dmi.bios.date: 04/21/2011
dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd.
dmi.bios.version: 6.00 R1.06.3012.A1
dmi.board.name: D3012-A1
dmi.board.vendor: FUJITSU
dmi.board.version: S26361-D3012-A1
dmi.chassis.type: 6
dmi.chassis.vendor: FUJITSU
dmi.chassis.version: C$PIP1
dmi.modalias:
dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvr6.00R1.06.3012.A1:bd04/21/2011:svnFUJITSU:pnESPRIMOP7936:pvr:rvnFUJITSU:rnD3012-A1:rvrS26361-D3012-A1:cvnFUJITSU:ct6:cvrC$PIP1:
dmi.product.name: ESPRIMO P7936
dmi.sys.vendor: FUJITSU
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