Public bug reported:
I experience that my desktop (Ubuntu 15.04) gets unresponsive maybe once a week.
When this happens the whole machine gets unresponsive immediately and only
restarting helps.
It only turns out from the atop logs what happened after the machine was
restarted. Atop is configured to run every 30 secs.
It is visible from the atop logs that kswapd0 is eating up all the CPU
resources.
Strange thing is that this happens despite there is no swap enabled.
This happens mostly when Virtualbox is running and only a few amount of
memory is available.
cat /proc/version_signature
Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
If you need any addition information please let me know.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-30-generic 3.19.0-30.34
ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
Uname: Linux 3.19.0-30-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: viktor 1636 F.... pulseaudio
/dev/snd/controlC1: viktor 1636 F.... pulseaudio
CurrentDesktop: GNOME-Flashback:Unity
Date: Thu Oct 15 14:04:37 2015
HibernationDevice: RESUME=UUID=592359f8-ccbf-4781-8a65-50b258ce63b6
InstallationDate: Installed on 2015-06-26 (110 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
IwConfig:
vpn0 no wireless extensions.
eth1 no wireless extensions.
lo no wireless extensions.
MachineType: Hewlett-Packard HP EliteDesk 800 G1 SFF
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic
root=/dev/mapper/system_vg-root_lv ro noprompt persistent quiet splash
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.19.0-30-generic N/A
linux-backports-modules-3.19.0-30-generic N/A
linux-firmware 1.143.3
RfKill:
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/09/2013
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: L01 v02.18
dmi.board.asset.tag: CZC4033CYV
dmi.board.name: 1998
dmi.board.vendor: Hewlett-Packard
dmi.chassis.asset.tag: CZC4033CYV
dmi.chassis.type: 4
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrL01v02.18:bd09/09/2013:svnHewlett-Packard:pnHPEliteDesk800G1SFF:pvr:rvnHewlett-Packard:rn1998:rvr:cvnHewlett-Packard:ct4:cvr:
dmi.product.name: HP EliteDesk 800 G1 SFF
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
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https://bugs.launchpad.net/bugs/1506454
Title:
kswapd kills the whole OS by eaing up resources
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