Bug#469693: Turned out to be a topology problem

[Moritz Muehlenhoff <jmm@inutil.org>]

On Wed, Sep 10, 2008 at 02:32:58PM +0200, Juergen Pfennig wrote:
> Hi,
> the problem can be avoided by connecting the keyboard/mouse dongle directly 
> (without an extra hub). The card-reader itself works fine and causes no extra 
> problems. Occasional USB-stick problems are gone. Summary:
> 
> - If the cherry-marlin keyboard/mouse usb dongle is connected via a hub the 
> USB stack becomes instable and will hang after a while.
> 
> - If the same dongle is connected directly to the mobo all problems are gone.
> 
> I still consider this as a serious bug because with linux the whole USB stack 
> hangs while Windows 2003 can recover this problem (the mouse hangs only for a 
> second). I tried a different hub with no effect, but I did not try a 
> different keyboard.

Could you file a bug report on this at bugzilla.kernel.org and post the bug
number to this bug report?

Cheers,
        Moritz