Re: USB errors on boot with plugged-in devices

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On Thu, 18 Nov 2010, Manuel Lauss wrote:

> Hello,
> 
> Current Linux kernels have problems with my current USB setup:
> I have a HP zr24w monitor with an integrated USB2 hub attached to
> an ATI SB850 OHCI/EHCI controller, and an old logitech wireless receiver
> plugged into one of the monitors' hub ports.
> 
> When linux boots and the zr24w is plugged in, linux usb core throws
> the errors below.   Unplugging/replugging on other ports doesn't work
> either.  However if when linux boots the zr24w is disconnected and
> plugged in when linux has finished booting, it works without a hitch.
> No problems on window or the BIOS for that matter.

It's not clear what the problem is, other than the fact that the 
monitor's integrated hub isn't working right.  What happens if you plug 
the wireless receiver directly into the computer instead of plugging it 
into the monitor?

Alan Stern

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