Public bug reported: Each time I copy a movie to an USB stick, everything becomes slow. Mouse polling gets frozen. System becomes unstable until the copy process is complete.
But the following dmesg output tells me something interesting: [ 7430.732424] usb 2-5: new high-speed USB device number 3 using ehci-pci [ 7430.938484] usb 2-5: New USB device found, idVendor=1b1c, idProduct=1ab1 [ 7430.938488] usb 2-5: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 7430.938490] usb 2-5: Product: Voyager [ 7430.938492] usb 2-5: Manufacturer: Corsair [ 7430.938493] usb 2-5: SerialNumber: AA40000000000825 [ 7430.960121] usb-storage 2-5:1.0: USB Mass Storage device detected [ 7430.960661] scsi12 : usb-storage 2-5:1.0 [ 7430.960752] usbcore: registered new interface driver usb-storage [ 7430.962543] usbcore: registered new interface driver uas [ 7432.214019] scsi 12:0:0:0: Direct-Access Corsair Voyager 1100 PQ: 0 ANSI: 0 CCS [ 7432.214286] sd 12:0:0:0: Attached scsi generic sg5 type 0 [ 7432.707330] sd 12:0:0:0: [sdd] 15663104 512-byte logical blocks: (8.01 GB/7.46 GiB) [ 7432.708416] sd 12:0:0:0: [sdd] Write Protect is off [ 7432.708420] sd 12:0:0:0: [sdd] Mode Sense: 43 00 00 00 [ 7432.709552] sd 12:0:0:0: [sdd] No Caching mode page found [ 7432.709556] sd 12:0:0:0: [sdd] Assuming drive cache: write through [ 7432.714896] sdd: sdd1 [ 7432.718793] sd 12:0:0:0: [sdd] Attached SCSI removable disk This is interesting: [ 7432.709552] sd 12:0:0:0: [sdd] No Caching mode page found [ 7432.709556] sd 12:0:0:0: [sdd] Assuming drive cache: write through Any clues? ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-24-generic 3.16.0-24.32 ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4 Uname: Linux 3.16.0-24-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: michael-heuberger 2171 F.... pulseaudio /dev/snd/controlC1: michael-heuberger 2171 F.... pulseaudio /dev/snd/controlC0: michael-heuberger 2171 F.... pulseaudio CurrentDesktop: Unity Date: Tue Nov 4 15:26:38 2014 HibernationDevice: RESUME=UUID=b0b47183-895a-4f27-bb25-40bd23028028 InstallationDate: Installed on 2014-10-31 (3 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) MachineType: System manufacturer System Product Name ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic root=UUID=b5b38333-3694-4441-8a13-50bf4dbf2f41 ro quiet RelatedPackageVersions: linux-restricted-modules-3.16.0-24-generic N/A linux-backports-modules-3.16.0-24-generic N/A linux-firmware 1.138 RfKill: 0: phy0: Wireless LAN Soft blocked: yes Hard blocked: no SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/06/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 0803 dmi.board.asset.tag: To Be Filled By O.E.M. dmi.board.name: P6X58D-E dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: Rev 1.xx dmi.chassis.asset.tag: Asset-1234567890 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0803:bd08/06/2012:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6X58D-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer ** Affects: linux (Ubuntu) Importance: Undecided Status: Confirmed ** Tags: amd64 apport-bug third-party-packages utopic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1389043 Title: Copying to USB slows down whole system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1389043/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs