Abdul Rehman, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1497383
** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- 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) 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