Please open a terminal and run 'top' in it to find out if any process is
hogging the CPU when this happens.
Tip: DON'T run gnome-system-monitor because it uses too many resources
itself :)
If no offending process is found then the next thing to check is for
over-aggressive power management:
1. Make sure you don't have 'tlp' installed.
2. Install and run 'powetop' as root to see if your machine is being
throttled to low frequency.
** Package changed: xorg-server (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1845541
Title:
OS becomes unresponsive when power is plugged in and battery is low
Status in Ubuntu:
Incomplete
Bug description:
Occasionally when I plug in my laptop at low (close to shut-down
levels, <10%) battery, the OS becomes unresponsive. The GUI doesn't
work, Ctrl+Alt+T doesn't work, nothing works. This makes it difficult
to collect information about the problem, since I basically have to
shutdown with the power button and reboot. It is probably related to
whichever processes monitor the battery and put the computer to sleep
when the battery gets low. Almost like it wants to put the computer to
sleep since the battery is at critical levels, but it just stalls
since the power is plugged in.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xserver-xorg-core 2:1.19.6-1ubuntu4.3
ProcVersionSignature: Ubuntu 4.15.0-62.69-generic 4.15.18
Uname: Linux 4.15.0-62-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Sep 26 11:41:31 2019
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.2.32, 4.15.0-58-generic, x86_64: installed
virtualbox, 5.2.32, 4.15.0-62-generic, x86_64: installed
ExecutablePath: /usr/lib/xorg/Xorg
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07)
(prog-if 00 [VGA controller])
Subsystem: Hewlett-Packard Company Skylake GT2 [HD Graphics 520]
[103c:81cb]
InstallationDate: Installed on 2019-01-28 (241 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 002: ID 1bcf:2c83 Sunplus Innovation Technology Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP ENVY Notebook
MonitorsUser.xml:
<monitors version="2">
</monitors>
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/usr/bin/fish
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-62-generic
root=UUID=fcfb9abf-573d-4d5e-bc54-c8a65f678302 ro quiet splash vt.handoff=1
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/17/2016
dmi.bios.vendor: Insyde
dmi.bios.version: F.22
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 81CB
dmi.board.vendor: HP
dmi.board.version: KBC Version 60.26
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.22:bd08/17/2016:svnHP:pnHPENVYNotebook:pvrType1ProductConfigId:rvnHP:rn81CB:rvrKBCVersion60.26:cvnHP:ct10:cvrChassisVersion:
dmi.product.family: 103C_5335KV G=N L=CON B=HP S=ENV
dmi.product.name: HP ENVY Notebook
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.97-1ubuntu1~18.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.0.8-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 19.0.8-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4.3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
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