On 10/11/2007 06:41 AM, Stefan Scheler wrote:
> Hello,
>
> my Kobil KAAN Professional (USB variant) smartcard reader stopped
> working when upgrading from 2.6.21 to 2.6.22 (and 2.6.23). Not working
> means that the latest libct.so supplied from Kobil is segfaulting when
> trying to access the device. But as far as I can see the kobil_sct
> driver itself didn't change from 2.6.21 to 2.6.22. Any ideas what is
> going on here?
>
> Thanks in advance. I will provide additional information if needed.
>
Try turning off USB autosuspend by adding the kernel option
"usbcore.autosuspend=-1". Or if your USB is modular, add "autosuspend=-1"
to the module parameters.
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