[sane-devel] Hotplug and udev files created automatically now, please test!

[m. allan noah]

we take patches :)

allan

On Tue, 2 May 2006, Peter Christy wrote:

> I'm running Slackware-current, and using udev *without* hotplug to try and
> improve start-up times.
>
> I've built the latest cvs of sane and installed it, but it seems that it still
> relies on hotplug to set permissions for USB devices. My system no longer has
> hotplug (nor does Debian, I believe, and many others are in the process of
> dropping hotplug and just using udev).
>
> When using udev without hotplug, the actual position of the usb device on
> the /sys bus seems to be variable. However, it is quite easy to make a
> symlink (/dev/usbscanner) that will always point to the scanner wherever it
> is actually mounted. Unfortunately, this symlink - or rather the device it
> ultimately links to - is under the /sys mount point rather than /proc.
>
> I can't find anyway of making sane use the /sys (or /dev) devices rather
> than /proc. Neither does it seem possible to make udev change the permissions
> of devices mounted under /proc. (The naming systems are different)
>
> At present I am forced to manually alter the permissions of my scanner after
> each boot, having first located where it has appeared. This is not an optimal
> solution!
>
> I think sane needs to offer an option as to whether it should seek /proc
> or /dev devices for USB (and possibly others, which I don't have!)
>
> I have tried to force it to look for /dev devices by using the old .conf
> options from the kernel module days, but that doesn't work either!
>
> If I have missed something here, I would be grateful for any pointers as to
> how to resolve this problem. However, I suspect the solution probably lies in
> updating sane to reflect the current thinking on hotplugging.
>
> Cheers,
>
>

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