Damir Butmir, thank you for reporting this and helping make Ubuntu better. Could you please test the latest upstream kernel available from the very top line at the top of the page (the release names are irrelevant for testing, and please do not test the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue.
If the test did not allow you to test to the issue (ex. you couldn't boot into the OS) please make a comment in your report about this, and continue to test the next most recent kernel version until you can test to the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags by clicking on the yellow circle with a black pencil icon, next to the word Tags, located at the bottom of the report description: kernel-fixed-upstream kernel-fixed-upstream-3.XY-rcZ Where XY and Z are numbers corresponding to the kernel version. If the mainline kernel does not fix this bug, please add the following tags: kernel-bug-exists-upstream kernel-bug-exists-upstream-3.XY-rcZ Once testing of the upstream kernel is complete, please mark this bug's Status as Confirmed. Please let us know your results. Thank you for your understanding. ** Description changed: - Created at the request of Christopher M. Penalver (from - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/500069). My - original comment; - - - "Still not fixed under Ubuntu 12.04 LTS x64 at least, even with the latest kernel.... - - Linux damir-macbook 3.13.0-45-generic #74~precise1-Ubuntu SMP Thu Jan 15 - 20:21:55 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux - Writing to a 16GB USB 2.0 stick (NTFS) goes at ~17MB/s while under - Windows (same amount, machine, stick, everything) goes at 30+MB/s...." + Windows (same amount, machine, stick, everything) goes at 30+MB/s. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-45-generic 3.13.0-45.74~precise1 ProcVersionSignature: Ubuntu 3.13.0-45.74~precise1-generic 3.13.11-ckt13 Uname: Linux 3.13.0-45-generic x86_64 NonfreeKernelModules: wl AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-45-generic. ApportVersion: 2.0.1-0ubuntu17.8 Architecture: amd64 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC1: damir 4030 F.... pulseaudio - /dev/snd/controlC0: damir 4030 F.... pulseaudio - /dev/snd/pcmC0D0p: damir 4030 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC1: damir 4030 F.... pulseaudio + /dev/snd/controlC0: damir 4030 F.... pulseaudio + /dev/snd/pcmC0D0p: damir 4030 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: - Card hw:0 'PCH'/'HDA Intel PCH at 0xa0810000 irq 49' - Mixer name : 'Intel PantherPoint HDMI' - Components : 'HDA:10134206,106b5200,00100302 HDA:80862806,80860101,00100000' - Controls : 48 - Simple ctrls : 14 + Card hw:0 'PCH'/'HDA Intel PCH at 0xa0810000 irq 49' + Mixer name : 'Intel PantherPoint HDMI' + Components : 'HDA:10134206,106b5200,00100302 HDA:80862806,80860101,00100000' + Controls : 48 + Simple ctrls : 14 Card1.Amixer.info: - Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:00:14.0-1.1.2, high speed' - Mixer name : 'USB Mixer' - Components : 'USB046d:0825' - Controls : 3 - Simple ctrls : 1 + Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:00:14.0-1.1.2, high speed' + Mixer name : 'USB Mixer' + Components : 'USB046d:0825' + Controls : 3 + Simple ctrls : 1 Card1.Amixer.values: - Simple mixer control 'Mic',0 - Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum - Capture channels: Mono - Limits: Capture 0 - 16 - Mono: Capture 14 [88%] [27.00dB] [on] + Simple mixer control 'Mic',0 + Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum + Capture channels: Mono + Limits: Capture 0 - 16 + Mono: Capture 14 [88%] [27.00dB] [on] Date: Sun Feb 22 21:43:07 2015 InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213) MachineType: Apple Inc. MacBookPro9,2 MarkForUpload: True ProcEnviron: - LANGUAGE=en_CA:en - TERM=xterm - PATH=(custom, no user) - LANG=en_CA.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_CA:en + TERM=xterm + PATH=(custom, no user) + LANG=en_CA.UTF-8 + SHELL=/bin/bash ProcFB: - 0 EFI VGA - 1 inteldrmfb + 0 EFI VGA + 1 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=ff870fab-18e7-4850-bd2b-d73ad107be8c ro quiet splash vt.handoff=7 RelatedPackageVersions: - linux-restricted-modules-3.13.0-45-generic N/A - linux-backports-modules-3.13.0-45-generic N/A - linux-firmware 1.79.18 + linux-restricted-modules-3.13.0-45-generic N/A + linux-backports-modules-3.13.0-45-generic N/A + linux-firmware 1.79.18 SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/08/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP91.88Z.00D3.B08.1208081132 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-6F01561E16C75D06 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro9,2 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-6F01561E16C75D06 dmi.modalias: dmi:bvnAppleInc.:bvrMBP91.88Z.00D3.B08.1208081132:bd08/08/2012:svnAppleInc.:pnMacBookPro9,2:pvr1.0:rvnAppleInc.:rnMac-6F01561E16C75D06:rvrMacBookPro9,2:cvnAppleInc.:ct10:cvrMac-6F01561E16C75D06: dmi.product.name: MacBookPro9,2 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. ** Tags added: latest-bios ** Package changed: linux-lts-trusty (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-lts-trusty in Ubuntu. https://bugs.launchpad.net/bugs/1424443 Title: Slow transfer rate to USB Stick (NTFS). Status in linux package in Ubuntu: Incomplete Bug description: Writing to a 16GB USB 2.0 stick (NTFS) goes at ~17MB/s while under Windows (same amount, machine, stick, everything) goes at 30+MB/s. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: linux-image-3.13.0-45-generic 3.13.0-45.74~precise1 ProcVersionSignature: Ubuntu 3.13.0-45.74~precise1-generic 3.13.11-ckt13 Uname: Linux 3.13.0-45-generic x86_64 NonfreeKernelModules: wl AlsaVersion: Advanced Linux Sound Architecture Driver Version k3.13.0-45-generic. ApportVersion: 2.0.1-0ubuntu17.8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: damir 4030 F.... pulseaudio /dev/snd/controlC0: damir 4030 F.... pulseaudio /dev/snd/pcmC0D0p: damir 4030 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xa0810000 irq 49' Mixer name : 'Intel PantherPoint HDMI' Components : 'HDA:10134206,106b5200,00100302 HDA:80862806,80860101,00100000' Controls : 48 Simple ctrls : 14 Card1.Amixer.info: Card hw:1 'U0x46d0x825'/'USB Device 0x46d:0x825 at usb-0000:00:14.0-1.1.2, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0825' Controls : 3 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum Capture channels: Mono Limits: Capture 0 - 16 Mono: Capture 14 [88%] [27.00dB] [on] Date: Sun Feb 22 21:43:07 2015 InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213) MachineType: Apple Inc. MacBookPro9,2 MarkForUpload: True ProcEnviron: LANGUAGE=en_CA:en TERM=xterm PATH=(custom, no user) LANG=en_CA.UTF-8 SHELL=/bin/bash ProcFB: 0 EFI VGA 1 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-45-generic root=UUID=ff870fab-18e7-4850-bd2b-d73ad107be8c ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-45-generic N/A linux-backports-modules-3.13.0-45-generic N/A linux-firmware 1.79.18 SourcePackage: linux-lts-trusty UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 08/08/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP91.88Z.00D3.B08.1208081132 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-6F01561E16C75D06 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro9,2 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-6F01561E16C75D06 dmi.modalias: dmi:bvnAppleInc.:bvrMBP91.88Z.00D3.B08.1208081132:bd08/08/2012:svnAppleInc.:pnMacBookPro9,2:pvr1.0:rvnAppleInc.:rnMac-6F01561E16C75D06:rvrMacBookPro9,2:cvnAppleInc.:ct10:cvrMac-6F01561E16C75D06: dmi.product.name: MacBookPro9,2 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. 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