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Message #160204
[Bug 1540013] Re: Ubuntu gets slow and freezes, because 'invisible' processes use all memory
Arne Henningsen, one would want to keep up with update cadence of
upstream.
Hence, could you please advise to the later version?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags removed: bios-outdated-f.50
** Tags added: bios-outdated-f.60
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https://bugs.launchpad.net/bugs/1540013
Title:
Ubuntu gets slow and freezes, because 'invisible' processes use all
memory
Status in linux package in Ubuntu:
Incomplete
Bug description:
I usually suspend my computer (HP EliteBook 8560w) to RAM if I
tranport it or I don't need it and I restart it only once a month or
so. However, since a few weeks, my computer gets slow, sluggish, and
ultimately freezes after using it for some hours, because some
'invisible' processes use all the RAM (8 GB). When I notice in time
that there is no or little memory left in RAM so that the computer
starts to use swap memory and I immediately close all programs, I can
restart the computer before it gets unresponsive. I have to restart my
computer at least once per day (often by pressing the on/off button
for a long time, when I did not manage to restart the computer before
it became unresponsive). Although a lot of memory is used, the
processes that use most of the memory are not listed by "System
Activity" or "top" (I will attached a screen shot and a text file that
illustrate this). Hence, it seems that some 'invisible' processes use
nearly all of the memory.
I ran MemTest86 (from the boot menu) but it did not find any errors.
I did not use 'apport' to report this bug, because it does not really
work:
https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1539263
but I managed to save the information collected by apport, which I
will attach.
Which further information do you need?
---
ApportVersion: 2.19.4-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ubuntu 1679 F.... pulseaudio
/dev/snd/controlC0: ubuntu 1679 F.... pulseaudio
CasperVersion: 1.366
CurrentDesktop: Unity
DistroRelease: Ubuntu 16.04
LiveMediaBuild: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160131)
MachineType: Hewlett-Packard HP EliteBook 8560w
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 nouveaufb
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash --- maybe-ubiquity
ProcVersionSignature: Ubuntu 4.3.0-7.18-generic 4.3.3
RelatedPackageVersions:
linux-restricted-modules-4.3.0-7-generic N/A
linux-backports-modules-4.3.0-7-generic N/A
linux-firmware 1.155
Tags: xenial
Uname: Linux 4.3.0-7-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/15/2013
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68SVD Ver. F.42
dmi.board.name: 1631
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 01.3D
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68SVDVer.F.42:bd07/15/2013:svnHewlett-Packard:pnHPEliteBook8560w:pvrA0001D02:rvnHewlett-Packard:rn1631:rvrKBCVersion01.3D:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8560w
dmi.product.version: A0001D02
dmi.sys.vendor: Hewlett-Packard
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