I have same bug too, when starting xsane for network scan (server debian wjeezy, client debian sid)
keeper@keeper:~$ xsane xsane: simple-watch.c:454: avahi_simple_poll_prepare: Проверочное утверждение «s->state == STATE_INIT || s->state == STATE_DISPATCHED || s->state == STATE_FAILURE» не выполнено. Аварийный останов keeper@keeper:~$ ii libcommon-sense-perl 3.72-5 amd64 ii libksane-data 4:4.12.3-2 all ii libksane-dev 4:4.12.3-2 amd64 ii libksane0 4:4.12.3-2 amd64 ii libsane:amd64 1.0.24-1.1+b1 amd64 ii libsane-common 1.0.24-1.1 all ii libsane-dev 1.0.24-1.1+b1 amd64 ii libsane-extras:amd64 1.0.22.3 amd64 ii libsane-extras-common 1.0.22.3 amd64 ii libsane-extras-dev 1.0.22.3 amd64 ii libsane-hpaio 3.14.1-1 amd64 ii libwine-sane:i386 1.6.2-8 i386 ii sane-utils 1.0.24-1.1+b1 amd64 ii xsane 0.998-5+b1 amd64 ii xsane-common 0.998-5 root@keeper:/home/keeper# cat /etc/sane.d/net.conf 192.168.0.20 avahi-daemon.service - Avahi mDNS/DNS-SD Stack Loaded: loaded (/lib/systemd/system/avahi-daemon.service; enabled) Active: active (running) since Чт 2014-05-22 08:41:52 IRKT; 8h ago Main PID: 1688 (avahi-daemon) Status: "Server startup complete. Host name is keeper.alocal. Local service cookie is 2186472304." CGroup: name=systemd:/system/avahi-daemon.service ├─1688 avahi-daemon: running [keeper.alocal] └─1689 avahi-daemon: chroot helper -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org