I can confirm that creating /var/lock/sane solves the problem for packaged libsane-plustek.so.1.0.31. I don't need to add the USB device id to plustek.conf to make it work though.
Martin On Mon, Oct 12, 2020 at 9:51 AM Andreas Tscharner <a...@stupidmail.ch> wrote: > Hello World, > > I've had the same problem with my Canon CanoScan N650U. These are the > following steps that I had to do to make it work again. > > * In the driver configuration (plustek.conf in my case): instead of just > [usb] > I had to change this section name to > [usb] 0x04A9 0x2209 > I'm not sure about the exact numbers; these are the USB idVendor and > idProduct attributes > Without these numbers the "device auto" directive did not work. > > * I had to create the /var/lock/sane directory with correct permissions; > it is missing and without it, the driver says something about "error > -11, lock failed" > > HTH > Andreas > -- > ("`-''-/").___..--''"`-._ > `o_ o ) `-. ( ).`-.__.`) > (_Y_.)' ._ ) `._ `. ``-..-' > _..`--'_..-_/ /--'_.' .' > (il).-'' (li).' ((!.-' > > Andreas Tscharner a...@stupidmail.ch ICQ-No. 14356454 > > -- > To unsubscribe, send mail to 971584-unsubscr...@bugs.debian.org. > -- If 'but' was any useful, it would be a logic operator