Hello,

On Jul 19 09:24 Paul van der Vlis wrote (shortened):
> dmesg after a reboot:
...
> ehci_hcd 0000:00:1d.7: USB 2.0 started, EHCI 1.00, driver 10 Dec 2004

I am no USB expert, therefore I can only guess:

I know about some reports that this or that particular USB stuff
doesn't work for the fast USB2 but works for the slow USB1, e.g. see
http://en.opensuse.org/SDB:Configuring_Scanners_from_SUSE_LINUX_9.2#USB_Cable_Connection_and_Additional_USB_Hubs

Whether or not USB2 is used (or it falls back to USB1) depends
on your particular USB hardware on your particular mainboard
and on whatever magic in the kernel's USB system.

Perhaps the computer where it works uses only USB1?
Perhaps the computer where it works has reliable USB2 hardware?
Perhaps whatever else...


Kind Regards
Johannes Meixner
-- 
SUSE LINUX Products GmbH, Maxfeldstrasse 5, 90409 Nuernberg, Germany
AG Nuernberg, HRB 16746, GF: Markus Rex

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