default dirty_ratio = 60 and dirty_background_ratio = 40 Changed them to 5 and 10 respectively.
-- 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/1497383 Title: While copying from hdd to hdd or hdd to usb ubuntu freezes Status in linux package in Ubuntu: Incomplete Bug description: WDC WD7500BPVT 750GB Advanced format HDD changing dirty_ratio or dirty_background_ratio prevents freezes but it slows down HDD R/W operations deadline scheduler is selected parted informs that partitions are aligned logical sectors are 512B while physical sectors are 4096 bytes hdparm informs speed 96MB/s Programs startup is slow. S.M.A.R.T assessment is OK. HDD operations make system unusable. Hardware Specification Intel Core-i7 3612qm 4GB DDR3 RAM intel HD 4000m ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-49-generic 3.16.0-49.65~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-49.65~14.04.1-generic 3.16.7-ckt15 Uname: Linux 3.16.0-49-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.13 Architecture: amd64 CurrentDesktop: Unity Date: Fri Sep 18 22:08:23 2015 InstallationDate: Installed on 2015-09-13 (5 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) --- ApportVersion: 2.14.1-0ubuntu3.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: abdulrehman 2823 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=0b208e3a-f2f2-4531-882b-8fbcc2671510 InstallationDate: Installed on 2015-09-13 (103 days ago) InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) MachineType: FUJITSU LIFEBOOK AH532 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-53-generic.efi.signed root=UUID=d5974a91-a720-43fb-8e16-3d2e9c7468f0 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.16.0-53.72~14.04.1-generic 3.16.7-ckt18 RelatedPackageVersions: linux-restricted-modules-3.16.0-53-generic N/A linux-backports-modules-3.16.0-53-generic N/A linux-firmware 1.127.18 Tags: trusty Uname: Linux 3.16.0-53-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo wireshark _MarkForUpload: True dmi.bios.date: 05/22/2012 dmi.bios.vendor: FUJITSU // Phoenix Technologies Ltd. dmi.bios.version: Version 1.09 dmi.board.name: FJNBB1C dmi.board.vendor: FUJITSU dmi.chassis.type: 10 dmi.chassis.vendor: FUJITSU dmi.modalias: dmi:bvnFUJITSU//PhoenixTechnologiesLtd.:bvrVersion1.09:bd05/22/2012:svnFUJITSU:pnLIFEBOOKAH532:pvr:rvnFUJITSU:rnFJNBB1C:rvr:cvnFUJITSU:ct10:cvr: dmi.product.name: LIFEBOOK AH532 dmi.sys.vendor: FUJITSU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1497383/+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
