Ubuntu
linux-source-2.6.22 package

  1. Bug #88746 (ehci-hcd)
  2. Comment #439

Comment 439 for bug 88746

Revision history for this message
Forest Bond (forest-bond) wrote : Re: [Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices

Hi Daniel,

On Sun, Dec 21, 2008 at 11:15:40PM -0000, Daniel T Chen wrote:
> For those of you with USB 2.0 controllers still experiencing this bug,
> try building ehci_hcd into your initramfs, i.e., echo ehci_hcd|sudo tee
> -a /etc/initramfs-tools/modules && sudo update-initramfs -u .
>
> (To note, for 9.04, the usb controller drivers may be built with =Y
> instead of =M, which works around an embarrassingly high number of
> symptoms.)

It sounds like this defect is understood. Can you provide a link to some kind
of reading material characterizing the bug? I've been seeing this on a lot of
hardware for quite a while, and I'd really like to understand it myself.

Thanks,
Forest
--
Forest Bond
http://www.alittletooquiet.net
http://www.pytagsfs.org