kernel-packages team mailing list archive

[Launchpad Bug Tracker <630399@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

-- 
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/630399

Title:
  Issue when using USB mass storage devices with EHCI enabled

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  When I attach any USB mass storage device (external HDD or flash
  drive) it is either not mounted at all or it disappears during file
  transfer as long as it is running in USB 2.0 mode with EHCI.

  Disabling USB 2.0 – support in BIOS slows transfer rates down considerably but it gets stable and did not fail yet.
  My 3 flash drive and 2 USB – HDDs run fine on an other computer also set up with the same releases of Ubuntu.
  Using Windows on this computer, USB runs fine at USB 2.0 rates => hardware damage can't be the problem.
  Adding an USB 2.0 controller card per PCI – interface, these USB 2.0 – ports provide full EHCI support and good transfer rates.

  Seems to be related to the USB – controller used in this machine.

  I'm seeing this issue with Ubuntu 10.04 current updates (2010-09-04)
  as well as the beta release of Ubuntu 10.10; last booted by iso – file
  from hard disk.

  Output of dmesg, lspci, lsusb, lsb_release and uname while running
  Ubuntu 10.10 beta are included as zip – file attached to this bug
  report.

  When can be done to solve this issue? Let me know what I can do or
  what additional information should be provided by me.

  Thank you! lisajo

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/630399/+subscriptions