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.... -- 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/500069 Title: USB file transfer causes system freezes; ops take hours instead of minutes Status in The Linux Kernel: Fix Released Status in linux package in Ubuntu: Incomplete Status in linux package in Fedora: Unknown Bug description: USB Drive is a MP3 Player 2GB sbec@Diamant:~$ lsusb Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 002: ID 046d:c50e Logitech, Inc. MX-1000 Cordless Mouse Receiver Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 004: ID 0402:5661 ALi Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub sbec@Diamant:~$ Linux Diamant 2.6.31-15-generic #50-Ubuntu SMP Tue Nov 10 14:54:29 UTC 2009 i686 GNU/Linux Ubuntu 2.6.31-15.50-generic to test, i issued dd command: dd if=/dev/zero of=/media/usb-disk/test-file bs=32 while dd is running i run dstat.... this is in the log file attached. other logs are also in the tar.gz file... there is a huge USB performance Bug report #1972262. this Report is something simular To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/500069/+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