*** This bug is a duplicate of bug 1720219 ***
https://bugs.launchpad.net/bugs/1720219
> On 23 Nov 2017, at 5:32 AM, Surfer <[email protected]> wrote:
>
> Yes, after
> $ sudo modprobe -r peaq-wmi
> the problems with ^@ and UI are gone. But live system failed to shutdown
> properly... Just blinking underscore into left-upper corner... Will it gone
> after persistent install?
>
> I can add the peaq-wmi module into blacklist, but what is the
> consequence after it?
I don’t think the shutdown issue is related to it.
>
> --
> You received this bug notification because you are subscribed to
> network-manager in Ubuntu.
> https://bugs.launchpad.net/bugs/1733203
>
> Title:
> ^@ about twice a second in active pure terminal (affects some UI).
> Fail to shutdown properly.
>
> Status in network-manager package in Ubuntu:
> New
>
> Bug description:
> I am not sure that this is a network-manager fault... just because it
> causes troubles on shutdown (see shutdown section below). Network
> manager is fine while system is running...
>
> PROBLEMS
>
> I used Ubuntu Mate 17.04 and was happy. After 17.10 release I upgraded
> system with Software Updater tool. Upgrade was successful. But after a day or
> so I noticed some problems with UI:
> - When try to select a group of object on desktop or in the caja file
> manager the selection is gone in about a second.
> - Some popups (my translator plugin in firefox) was closed after appearing.
> - When press and hold a key (arrow key to navigate in text or just a symbol)
> the input was interrupted in about a second, like I release the button. (For
> different desktops UI troubles are different, but problem with pressing and
> holding key is common for KDE 5, Gnome 3 and Mate).
>
> Then I noticed "^@" (without quotes) sequence appears in pure terminal
> (Ctrl + Alt + F[1-8]) a bit more frequently than a second. Probably it
> brakes UI.
>
> I reinstalled Ubuntu Mate 17.10 from scratch, but the problem remains.
> I also tried Kubuntu 17.10 and now Ubuntu 17.10 (with Gnome 3) with
> persistent install but problem is still here. More the problem is
> present when I boot from usb stick. But I have no troubles on Ubuntu
> 17.04 Mate and Windows 10
>
> WHAT I TRIED
> - Update BIOS to the latest version
> - Update Intel microcode
> - Uncheck "Use Intel Microcode" from Device Manager
> - Switch between proprietary and Xorg drivers for NVidia
> - Unmount and spin off HDD
> - Add wi-fi kernel modules (ath, ath10k_core, ath10k_pci) into blacklist
> (seems that it had no effect, they were loaded)
> - Install all updates
>
> SHUTDOWN PROBLEM
> System cannot shutdown properly. It can hung (or maybe just waits and
> doesn't show any logs or shows only a few lines - once it happens) or, in
> most cases, I see:
> [ *** ] A stop job is running for Network Manager (<waiting time>/<max time
> to wait>)
> OR
> [ *** ] A stop job is running for WPA supplicant (<waiting time>/<max time
> to wait>)
> And later this
> INFO task kworker/<info> blocked for more than 120 seconds
> is added to the line
> Where <info> could be different, for example: u8:2:169 or 0:1:33
> If I wait about 6 or so minutes I finally can see:
> Reached target Shutdown
> But the laptop is still on and I have have to hold power button a few
> seconds to halt it.
> (for more information see attached photo-screenshots
>
> HARDWARE
> I have used Lenovo ideapad 700-15ISK all the time without hardware
> modifications.
>
> P.S.
> Feel free to ping me if you need additional info. Also I always can
> experiment from live usb stick.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 17.10
> Package: network-manager 1.8.4-1ubuntu3
> ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
> Uname: Linux 4.13.0-16-generic x86_64
> ApportVersion: 2.20.7-0ubuntu3.4
> Architecture: amd64
> CurrentDesktop: ubuntu:GNOME
> Date: Sun Nov 19 11:22:44 2017
> IfupdownConfig:
> # interfaces(5) file used by ifup(8) and ifdown(8)
> auto lo
> iface lo inet loopback
> InstallationDate: Installed on 2017-11-19 (0 days ago)
> InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
> IpRoute:
> default via 192.168.1.1 dev wlp2s0 proto static metric 600
> 169.254.0.0/16 dev wlp2s0 scope link metric 1000
> 192.168.1.0/24 dev wlp2s0 proto kernel scope link src 192.168.1.10 metric
> 600
> ProcEnviron:
> TERM=xterm-256color
> PATH=(custom, no username)
> XDG_RUNTIME_DIR=<set>
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> SourcePackage: network-manager
> UpgradeStatus: No upgrade log present (probably fresh install)
> nmcli-con:
> NAME UUID TYPE
> TIMESTAMP TIMESTAMP-REAL AUTOCONNECT
> AUTOCONNECT-PRIORITY READONLY DBUS-PATH
> ACTIVE DEVICE STATE ACTIVE-PATH
> SLAVE
> MNANSHFF 31d5cdf0-fc8c-49e9-8a3d-e3dcb0d6d609 802-11-wireless
> 1511108472 Sun 19 Nov 2017 11:21:12 AM EST yes 0
> no /org/freedesktop/NetworkManager/Settings/1 yes wlp2s0
> activated /org/freedesktop/NetworkManager/ActiveConnection/1 --
> Wired connection 1 3b76cb02-e9c2-3733-8cbd-8544a235b4f5 802-3-ethernet
> 1511105771 Sun 19 Nov 2017 10:36:11 AM EST yes 4294966297
> no /org/freedesktop/NetworkManager/Settings/2 no -- --
> -- --
> nmcli-dev:
> DEVICE TYPE STATE DBUS-PATH
> CONNECTION CON-UUID CON-PATH
>
> wlp2s0 wifi connected /org/freedesktop/NetworkManager/Devices/3
> MNANSHFF 31d5cdf0-fc8c-49e9-8a3d-e3dcb0d6d609
> /org/freedesktop/NetworkManager/ActiveConnection/1
> enp3s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/2
> -- -- --
>
> lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1
> -- -- --
> nmcli-nm:
> RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
> WIFI WWAN-HW WWAN
> running 1.8.4 connected started full enabled enabled
> enabled enabled enabled
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1733203/+subscriptions
** This bug has been marked a duplicate of bug 1720219
Repeated keys stop after a few characters (^@ character spam every second)
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https://bugs.launchpad.net/bugs/1733203
Title:
^@ about twice a second in active pure terminal (affects some UI).
Fail to shutdown properly.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1733203/+subscriptions
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