This is a cross-post from: https://bugs.launchpad.net/ubuntu/+source/udev/+bug/401655 That rule has been removed from the previous version by the following commitment: http://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=8a993fab2f218234f06743bcc127dda61a45711b These was no alternative solution offered and my hardware stopped working. bash# emerge --info Portage 2.2_rc65 (default/linux/x86/10.0/desktop, gcc-4.3.4, glibc-2.10.1-r1, 2.6.32-gentoo-r7 i686) ================================================================= System uname: Linux-2.6.32-gentoo-r7-i686-Intel-R-_Core-TM-2_Duo_CPU_T8300_@_2.40GHz-with-gentoo-2.0.1 Timestamp of tree: Mon, 08 Mar 2010 06:30:01 +0000 app-shells/bash: 4.0_p35 dev-java/java-config: 2.1.10 dev-lang/python: 2.6.4-r1 dev-util/cmake: 2.6.4-r3 sys-apps/baselayout: 2.0.1 sys-apps/openrc: 0.6.0-r1 sys-apps/sandbox: 2.2 sys-devel/autoconf: 2.13, 2.63-r1 sys-devel/automake: 1.9.6-r2, 1.10.3, 1.11.1 sys-devel/binutils: 2.18-r3 sys-devel/gcc: 4.3.4 sys-devel/gcc-config: 1.4.1 sys-devel/libtool: 2.2.6b virtual/os-headers: 2.6.30-r1 ACCEPT_KEYWORDS="x86" ACCEPT_LICENSE="* -@EULA dlj-1.1 PUEL" CBUILD="i686-pc-linux-gnu" CFLAGS="-march=native -O2 -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/X11/xkb /usr/share/config" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-march=native -O2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="assume-digests distlocks fixpackages news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unmerge-logs unmerge-orphans userfetch" GENTOO_MIRRORS="http://gentoo.channelx.biz/" LANG="en_US.utf8" LC_ALL="en_US.utf8" LDFLAGS="-Wl,-O1" LINGUAS="en ru" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage/layman/sectools /usr/local/portage/layman/enlightenment /usr/local/portage" SYNC="rsync://gentoo.o0o.nu/gentoo-portage" USE="X a52 aac acl acpi alsa bash-completion berkdb branding bzip2 cairo cdr cli consolekit cracklib crypt cxx dbus dri dts dvd dvdr eds emboss encode evo firefox flac fortran gdbm gif gpm hal iconv ipv6 java jpeg kde libnotify mad mikmod mng modules mp3 mp4 mpeg mudflap ncurses nls nptl nptlonly nsplugin ogg opengl openmp pam pcre pdf perl png ppds pppd python qt3support qt4 quicktime readline reflection sdl session spell spl ssl startup-notification svg sysfs tcpd thunar tiff truetype unicode usb vorbis win32codecs x264 x86 xcomposite xml xorg xulrunner xv xvid zlib" ALSA_CARDS="intel8x0 hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en ru" LIRC_DEVICES="sir" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="intel vesa radeon" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
As ubuntu bug goes, sys-apps/usb_modeswitch-1.1.1 might be a better solution.
The launchpad bug has been closed: Martin Pitt wrote on 2010-03-30: #24 modem-modeswitch was obsoleted upstream, so please install usb-modeswitch as indicated in the previous comments.