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** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Tags added: kernel-request-3.19.0-15.15
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1460434
Title:
System Freeze On Low Memory
Status in linux package in Ubuntu:
Incomplete
Bug description:
System freeze occurs when memory is almost full and there is no chance
to kill processes. Everything is unresponsive, hdd is trashing, even
ssh connection does not show any reaction. I set vm.swappiness = 1 to
minimize swapping but those lock ups are still there. I think this
could be related to disk caching. Few times I observed in iotop that
several processes use %90+ disk I/O while memory is close to its
limit. I increased vm.min_free_kbytes (default value was 65536) but
not tested yet. Current disk scheduler is set to deadline.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-18-generic 3.19.0-18.18
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: user 2571 F.... pulseaudio
CurrentDesktop: LXDE
Date: Sun May 31 16:29:04 2015
InstallationDate: Installed on 2014-11-15 (197 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
MachineType: Packard Bell ENNS44HR
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic
root=UUID=88ea410e-70cc-49a6-b2b3-326fc63a4e7d ro quiet splash elevator=deadline
RelatedPackageVersions:
linux-restricted-modules-3.19.0-18-generic N/A
linux-backports-modules-3.19.0-18-generic N/A
linux-firmware 1.143.1
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-05-04 (27 days ago)
dmi.bios.date: 04/28/2011
dmi.bios.vendor: Phoenix Technologies Ltd.
dmi.bios.version: V1.23
dmi.board.asset.tag: No Asset Tag
dmi.board.name: ENNS44HR
dmi.board.vendor: Packard Bell
dmi.board.version: V1.23
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Packard Bell
dmi.chassis.version: V1.23
dmi.modalias:
dmi:bvnPhoenixTechnologiesLtd.:bvrV1.23:bd04/28/2011:svnPackardBell:pnENNS44HR:pvrV1.23:rvnPackardBell:rnENNS44HR:rvrV1.23:cvnPackardBell:ct9:cvrV1.23:
dmi.product.name: ENNS44HR
dmi.product.version: V1.23
dmi.sys.vendor: Packard Bell
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