[Bug 16351] with ehci-hcd, kernel needs 3 minutes to detect USB stick

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http://bugzilla.ubuntu.com/show_bug.cgi?id=16351
Ubuntu | linux


martin.pitt at ubuntu.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|martin.pitt at ubuntu.com      |ben.collins at ubuntu.com
             Status|NEEDINFO                    |UNCONFIRMED
            Summary|USB memory stick takes very |with ehci-hcd, kernel needs
                   |long to automount           |3 minutes to detect USB
                   |                            |stick




------- Additional Comments From martin.pitt at ubuntu.com  2005-10-11 14:23 UTC -------
Hi Kondrad!

(In reply to comment #15)
> > One question: are you sure that you rebooted? An uptime of 4294977 seconds means
> > 49.7 days! Maybe there is another bug in here?
> 
> Hhehe... I do reboot this PC at least once a day :) And that means total
> power-off. So there could be a bug in the Kernel ?? :)

Could be, I leave this to our kernel guru.

> USB1.1 and USB2.0 is not that crucial. This could be a problem when connecting
> external HDs or some other devices. It would be great if USB2.0 worked just as
> good as the USB1.1 kernel driver. Maybe it will get fixed one day...

OK, then I reassign this to the kernel, but I'm afraid you have to live with the
current workaround for a while.

> Is there a way to automatically unload ehci-hcd module on boot
> (without typing this each time I reboot?).

Yes, just add the module to /etc/hotplug/blacklist with:

  echo ehci_hcd | sudo tee -a /etc/hotplug/blacklist


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