[sane-devel] linux-2.6.1-smp,usb,oops,sane-backends-1.0.13,epson-1640

Karl Heinz Kremer khk@khk.net
Thu, 15 Jan 2004 17:32:41 -0500

If you want to try libusb, I have a page that describes the steps 
necessary to get it
configured: http://khk.net/sane/libusb.html

On Jan 15, 2004, at 4:30 PM, Henning Meier-Geinitz wrote:

> Hi,
> On Thu, Jan 15, 2004 at 10:19:49PM +0100, Klaus Dittrich wrote:
>>> Does using libusb instead work for you?
>> as far as I know libusb in no more necessary with linunx-2.6
>> so I have not installed it.
> In fact it's more the other way round. Ther kernel scanner driver is
> marked "obsolete" so it may go away anytime soon. So your only choice
> is to use libusb in future.
> Programs could also access USB devices directly by uing
> /proc/bus/usb/*, but libusb is just more portable and does this low
> level suff for us.
>> I think it would things confuse even more.
> If libusb worked, I would be sure that it's a bug in the kernel
> scanner driver and not the kernel USB low level drivers.
>> I have no probles to go with sane-backends-1.0.12 in the meantime.
> Tha one works? I don't think that there are any USB realted changes
> that may be able to cause oopses. Well, nothing should be able to
> generate kernels oopses anyway.
>> If you want test your changes I will do.
> It will take some time until I've found the bug in the kernel. Don't
> expect anything in the next 10 days.
>> I have made script to simplify build and install,
>> so a switch between versions is a matter of a few seconds.
> The kernel or sane-backends? Isn't it just a make; make install for 
> both
> cases anyway?
> If you want to test libusb, just make sure that it's available
> (including its header files) when SANE is built.
> Bye,
>   Henning
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