Tag : 'kernel-fixed-upstream' Hi, Joseph Salisbury (jsalisbury).
I tested with Ver. 3.16 kernel. I test ran for fourty minutes. To see with 'top' command, the kernel consumes as cache memory 700MB. First it consumed 500MB and after thirty minutes, 700MB was consumed. To release cache memory with 'cache_release.sh', cosumed cache memory became 100MB. It seems to me, as for Ver. 3.16 kernel, cache memory management bug is already fixed. -- 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/1331186 Title: Ubuntu Linux kernel memory leak, cache memory trouble Status in “linux” package in Ubuntu: Confirmed Bug description: As soon as I start Ubuntu 12.04.4 LTS with i386 PAE kernel, 8GB memory, GNU/Linux 3.2.0-64-generic-pae i686, cache memory area increases a little by a little, and It consumes at last, a few hours later, 5GB memory. User memory left will become 200MB. I release cache memory by issuing a shell script, cache_release.sh. It is like that : #!/bin/bash /bin/sync /bin/sync /bin/sync /bin/sync /bin/sync /sbin/sysctl -w vm.drop_caches=1 /sbin/sysctl -w vm.drop_caches=2 /sbin/sysctl -w vm.drop_caches=3 I registered this shell script to crontab and I issue this script command once a hour. Maybe kernel requires patches. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.2.0-64-generic-pae 3.2.0-64.97 ProcVersionSignature: Ubuntu 3.2.0-64.97-generic-pae 3.2.59 Uname: Linux 3.2.0-64-generic-pae i686 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu17.6 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC665 Analog [ALC665 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: hiroshi 4448 F.... pulseaudio /dev/snd/controlC0: hiroshi 4448 F.... pulseaudio /dev/snd/pcmC0D0p: hiroshi 4448 F...m pulseaudio Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xf0a00000 irq 57' Mixer name : 'Realtek ALC665' Components : 'HDA:10ec0665,1028046e,00100003' Controls : 26 Simple ctrls : 13 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xcdefc000 irq 17' Mixer name : 'Nvidia GPU 14 HDMI/DP' Components : 'HDA:10de0014,10de0101,00100100' Controls : 24 Simple ctrls : 4 Date: Wed Jun 18 05:27:20 2014 HibernationDevice: RESUME=UUID=02e8790f-b82d-416f-8a25-de64b1bac6e9 InstallationMedia: Ubuntu 12.04 "Precise" - Build i386 LIVE Binary 20120501-03:27 MachineType: Dell Inc. XPS L501X MarkForUpload: True ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-64-generic-pae root=UUID=1dff47dd-b881-4de7-b290-b74b48753d63 ro quiet splash RelatedPackageVersions: linux-restricted-modules-3.2.0-64-generic-pae N/A linux-backports-modules-3.2.0-64-generic-pae N/A linux-firmware 1.79.15 SourcePackage: linux StagingDrivers: mei UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/26/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.vendor: Dell Inc. dmi.board.version: A08 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: A08 dmi.modalias: dmi:bvnDellInc.:bvrA08:bd07/26/2011:svnDellInc.:pnXPSL501X:pvrA08:rvnDellInc.:rn:rvrA08:cvnDellInc.:ct8:cvrA08: dmi.product.name: XPS L501X dmi.product.version: A08 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1331186/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
