$ mod N:System Cannot open assembly '/usr/lib/mono/2.0/mod.exe': No such file or directory. Below emerge --info, if any other info is needed just ask :) Reproducible: Always Steps to Reproduce: # emerge --info Portage 2.1.6.4 (default/linux/x86/2008.0/desktop, gcc-4.1.2, glibc-2.6.1-r0, 2.6.27-gentoo-r7 i686) ================================================================= System uname: Linux-2.6.27-gentoo-r7-i686-Intel-R-_Pentium-R-_4_CPU_2.50GHz-with-glibc2.0 Timestamp of tree: Tue, 20 Jan 2009 09:05:01 +0000 app-shells/bash: 3.2_p39 dev-java/java-config: 1.3.7-r1, 2.1.6-r1 dev-lang/python: 2.5.2-r7 dev-util/cmake: 2.6.2-r1 sys-apps/baselayout: 1.12.11.1 sys-apps/sandbox: 1.2.18.1-r2 sys-devel/autoconf: 2.13, 2.63 sys-devel/automake: 1.5, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10.2 sys-devel/binutils: 2.18-r3 sys-devel/gcc-config: 1.4.0-r4 sys-devel/libtool: 1.5.26 virtual/os-headers: 2.6.27-r2 ACCEPT_KEYWORDS="x86" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=i686 -mmmx -msse -msse2 -pipe -fomit-frame-pointer" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/revdep-rebuild /etc/terminfo /etc/texmf/web2c /etc/udev/rules.d" CXXFLAGS="-O2 -march=i686 -mmmx -msse -msse2 -pipe -fomit-frame-pointer" DISTDIR="/usr/portage/distfiles" FEATURES="buildpkg distlocks fixpackages parallel-fetch protect-owned sandbox sfperms strict unmerge-orphans userfetch" FFLAGS="-O2 -march=i686 -mmmx -msse -msse2 -pipe -fomit-frame-pointer" GENTOO_MIRRORS="http://mirror.switch.ch/ftp/mirror/gentoo/ http://gentoo.mirror.dkm.cz/pub/gentoo/ http://mirror.jamit.de/gentoo/" LANG="it_IT.UTF-8" LC_ALL="it_IT.UTF-8" LDFLAGS="-Wl,-z,now -Wl,--as-needed -Wl,-O1 -Wl,--hash-style=gnu -Wl,--enable-new-dtags" LINGUAS="it" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" 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/portage/local/layman/science /usr/portage/local/layman/sunrise /usr/portage/local/layman/gechi /usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X a52 aac aalib acpi alsa apache2 audiofile berkdb bluetooth branding bzip2 cairo cddb cdparanoia cdr cli cracklib crypt cups curl dbus dga directfb dri dts dvb dvd dvdr dvdread eds emacs emboss encode evo exif fam fbcon ffmpeg firefox flac fortran ftp gdbm gif gnome gnome-keyring gpm gstreamer gtk gtk2 gtkhtml hal iconv imagemagick imlib ipod isdnlog java jikes jpeg jpeg2k lame lcms ldap libnotify mad midi mikmod mmx mng mono mp3 mpeg mtp mudflap musicbrainz nautilus ncurses nls nptl nptlonly offensive ogg openal opengl openmp pam pcre pdf perl png ppds pppd python quicktime readline reflection ruby samba schroedinger sdl session sndfile spell spl sse sse2 ssl startup-notification svg sysfs tcpd theora threads tiff truetype unicode usb v4l v4l2 vcd vorbis wavpack win32codecs wmf x264 x86 xine xml xorg xulrunner xv xvid zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1 emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" 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 auth_digest authn_anon authn_dbd 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 dbd deflate dir disk_cache env expires ext_filter file_cache filter headers ident imagemap include info log_config logio mem_cache mime mime_magic negotiation proxy proxy_ajp proxy_balancer proxy_connect proxy_http rewrite setenvif so speling status unique_id userdir usertrack vhost_alias" CAMERAS="canon ptp2" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="it" USERLAND="GNU" VIDEO_CARDS="nv nvidia vesa" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS
Good catch, I see we're the first distro to notice.
Submitted upstream, a local fix is forthcoming.
+*mono-2.2-r2 (20 Jan 2009) + + 20 Jan 2009; Peter Alfredsen <loki_val@gentoo.org> + +files/mono-2.2-r121596-work-around-runtime-crash.patch, + -mono-2.2-r1.ebuild, +mono-2.2-r2.ebuild: + Fix bug 255610, /usr/bin/mod doesn't work. Also include patch for upstream + bug 458168, crasher bug that could be triggered during compilation. + Fixed with a(nother) sed.