The behavior seems odd on the face of it, but I'm not an expert on the
memory controller cgroup implementation. Our implementation is the same
as in upstream Linux, so if you feel there are problems then it's
probably best to raise these with the upstream developers directly. If
they make changes then we would consider porting these changes back to
xenial.
For now I'm going to close this bug as invalid. If there are upstream
changes in the future that you'd like to see backported to xenial,
please open a new bug and assign it to me. Thanks!
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1568592
Title:
bug of "memory.kmem.limit_in_bytes" and "memory.kmem.usage_in_bytes"
Status in linux package in Ubuntu:
Invalid
Bug description:
In ubuntuxenial with linux kernel 4.4,
"memory.kmem.limit_in_bytes" cannot be written,
and the value of "memory.kmem.usage_in_bytes" is always 0.
This issue doesn't happen in ubuntu wily (kernel = 4.2)
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-generic 4.4.0.18.19
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Uname: Linux 4.4.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k4.4.0-18-generic.
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ghostplant 2724 F.... pulseaudio
/dev/snd/controlC1: ghostplant 2724 F.... pulseaudio
CurrentDesktop: GNOME-Flashback:Unity
Date: Mon Apr 11 03:24:49 2016
JournalErrors:
Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000']
failed with exit code 1: Hint: You are currently not seeing messages from other
users and the system.
Users in the 'systemd-journal' group can see all messages. Pass -q to
turn off this notice.
No journal files were opened due to insufficient permissions.
MachineType: Micro-Star International Co., Ltd. GE60 2PG
PciMultimedia:
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-18-generic
root=UUID=9b9acac2-b16b-4328-abc9-407fe4ce4e4d ro quiet swapaccount=1
RelatedPackageVersions:
linux-restricted-modules-4.4.0-18-generic N/A
linux-backports-modules-4.4.0-18-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 12/01/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: E16GFIMS.626
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: MS-16GF
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:0.B
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrE16GFIMS.626:bd12/01/2014:svnMicro-StarInternationalCo.,Ltd.:pnGE602PG:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16GF:rvrREV0.B:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: GE60 2PG
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
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