Yes, creating /var/lock/sane resolves the problem (for me) in 1.0.31. The problem is that /var/lock is a temp fs under Debian/Ubuntu and thus should be recreated on every boot, instead of once during installation (or by sane on startup).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to sane-backends in Ubuntu. https://bugs.launchpad.net/bugs/1898905 Title: Unfunctional plustek scanner in Ubuntu 20.10 Status in sane-backends package in Ubuntu: Confirmed Status in sane-backends package in Debian: Unknown Bug description: There are multiple reports now of failing plustek backend in libsane 1.0.31-2 as shipped in Ubuntu 20.10 and Debian dev My report: https://gitlab.com/sane-project/backends/-/issues/363 Another report: https://gitlab.com/sane-project/backends/-/issues/360 Debian bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=971584 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1898905/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

