* Regression from 2.6.21 to 2.6.22 and above
@ 2007-10-11 10:41 Stefan Scheler
2007-10-11 23:15 ` Chuck Ebbert
0 siblings, 1 reply; 3+ messages in thread
From: Stefan Scheler @ 2007-10-11 10:41 UTC (permalink / raw)
To: linux-kernel
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.
--
Stefan Scheler
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Regression from 2.6.21 to 2.6.22 and above
2007-10-11 10:41 Regression from 2.6.21 to 2.6.22 and above Stefan Scheler
@ 2007-10-11 23:15 ` Chuck Ebbert
2007-10-12 7:13 ` Stefan Scheler
0 siblings, 1 reply; 3+ messages in thread
From: Chuck Ebbert @ 2007-10-11 23:15 UTC (permalink / raw)
To: Stefan Scheler; +Cc: linux-kernel
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.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Regression from 2.6.21 to 2.6.22 and above
2007-10-11 23:15 ` Chuck Ebbert
@ 2007-10-12 7:13 ` Stefan Scheler
0 siblings, 0 replies; 3+ messages in thread
From: Stefan Scheler @ 2007-10-12 7:13 UTC (permalink / raw)
To: Stefan Scheler; +Cc: linux-kernel
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> 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.
Doesn't help. You also might have a look at the linux-usb-devel list. I
posted a couple of logs there.
--
Stefan Scheler
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2007-10-11 10:41 Regression from 2.6.21 to 2.6.22 and above Stefan Scheler
2007-10-11 23:15 ` Chuck Ebbert
2007-10-12 7:13 ` Stefan Scheler
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