This is what I get with the new libvirt amd64box ago # LC_ALL="C" virsh start x86 error: failed to connect to the hypervisor error: no valid connection error: no connection driver available for (null) error: Failed to reconnect to the hypervisor the downgrade to the stable solves for me. [ebuild R ] app-emulation/libvirt-1.0.3-r2 USE="caps libvirtd macvtap nls policykit python qemu udev vepa -audit -avahi -firewalld -fuse -iscsi -lvm -lxc -nfs -numa -openvz -parted -pcap -phyp -rbd -sasl (-selinux) -uml -virt-network -virtualbox -xen" ebuild R ] app-emulation/qemu-1.4.1 USE="caps filecaps ncurses opengl seccomp threads uuid vhost-net vnc -aio -alsa -bluetooth -brltty -curl -debug -doc -fdt -iscsi -jpeg -mixemu -png -pulseaudio -python -rbd -sasl -sdl (-selinux) -smartcard -spice -static -static-softmmu -static-user -systemtap -tci {-test} -tls -usbredir -vde -virtfs -xattr -xen -xfs" QEMU_SOFTMMU_TARGETS="x86_64 -alpha -arm -cris -i386 -lm32 -m68k -microblaze -microblazeel -mips -mips64 -mips64el -mipsel -or32 -ppc -ppc64 -ppcemb -s390x -sh4 -sh4eb -sparc -sparc64 -unicore32 -xtensa -xtensaeb" QEMU_USER_TARGETS="-alpha -arm -armeb -cris -i386 -m68k -microblaze -microblazeel -mips -mipsel -or32 -ppc -ppc64 -ppc64abi32 -s390x -sh4 -sh4eb -sparc -sparc32plus -sparc64 -unicore32 -x86_64" Portage 2.1.11.62 (default/linux/amd64/13.0, gcc-4.6.3, glibc-2.15-r3, 3.8.13-gentoo x86_64) ================================================================= System uname: Linux-3.8.13-gentoo-x86_64-Intel-R-_Core-TM-_i3_CPU_540_@_3.07GHz-with-gentoo-2.2 KiB Mem: 3914856 total, 2676408 free KiB Swap: 2056316 total, 2056316 free Timestamp of tree: Wed, 05 Jun 2013 12:00:01 +0000 ld GNU ld (GNU Binutils) 2.22 app-shells/bash: 4.2_p45 dev-java/java-config: 2.1.12-r1 dev-lang/python: 2.7.3-r3, 3.2.3-r2 dev-util/cmake: 2.8.10.2-r2 dev-util/pkgconfig: 0.28 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.11.8 sys-apps/sandbox: 2.5 sys-devel/autoconf: 2.13, 2.69 sys-devel/automake: 1.11.6, 1.12.6 sys-devel/binutils: 2.22-r1 sys-devel/gcc: 4.6.3 sys-devel/gcc-config: 1.7.3 sys-devel/libtool: 2.4-r1 sys-devel/make: 3.82-r4 sys-kernel/linux-headers: 3.7 (virtual/os-headers) sys-libs/glibc: 2.15-r3 Repositories: gentoo ago x-portage ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="*" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-march=native -g0 -O2" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/polkit-1/actions /var/qmail/alias /var/qmail/control" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-march=native -O2" DISTDIR="/media/sources/" EMERGE_DEFAULT_OPTS="--with-bdeps y --keep-going y -1" FCFLAGS="-O2 -pipe" FEATURES="assume-digests binpkg-logs collision-protect config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync multilib-strict news parallel-fetch protect-owned sandbox sfperms sign split-log strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" INSTALL_MASK="/usr/lib/systemd/system/ /usr/share/doc" LANG="it_IT.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu" MAKEOPTS="-j4" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/var/lib/layman/ago /usr/local/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="X acl alsa amd64 berkdb bzip2 cli consolekit cracklib crypt cxx dbus dri fortran gdbm gpm iconv kde minizip mmx modules mp3 mudflap multilib ncurses nls nptl opengl openmp pam pcre policykit qt3support qt4 readline session sse sse2 ssl tcpd unicode zlib" ABI_X86="64" ALSA_CARDS="hda-intel" ELIBC="glibc" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LINGUAS="am fil zh af ca cs da de el es et gl hu nb nl pl pt ro ru sk sl sv uk bg cy en eo fo ga he id ku lt lv mk ms nn sw tn zu ja zh_TW en_GB pt_BR ko zh_CN ar en_CA fi kk oc sr tr fa wa nds as be bn bn_BD bn_IN en_US es_AR es_CL es_ES es_MX eu fy fy_NL ga_IE gu gu_IN hi hi_IN is ka kn ml mr nn_NO or pa pa_IN pt_PT rm si sq sv_SE ta ta_LK te th vi ast dz km my om sh ug uz ca@valencia sr@ijekavian sr@ijekavianlatin sr@latin csb hne mai se es_LA fr_CA zh_HK br la no es_CR et_EE sr_CS bo hsb hy mn sr@Latn lb ne bs tg uz@cyrillic xh be_BY brx ca_XV dgo en_ZA gd kok ks ky lo mni nr ns pap ps rw sa_IN sat sd ss st sw_TZ ti ts ve mt ia az me tl ak hy_AM lg nso son ur_PK it fr nb nb_NO hr nan ur tk cs_CZ da_DK de_1901 de_CH en_AU lt_LT pl_PL sa sk_SK th_TH ta_IN tt sco ha mi ven ar_SY el_GR ro_RO ru_RU sl_SI uk_UA vi_VN ar_SY te_IN de_DE es_VE fa_IR fr_FR hu_HU id_ID it_IT ja_JP ka_GE nl_NL sr_BA sr_RS ca_ES fi_FI he_IL jv ru_gold yi eu_ES bg_BG chr jp" NGINX_MODULES_HTTP="access auth_basic autoindex browser charset empty_gif fastcgi geo gzip limit_req limit_zone map memcached proxy referer rewrite scgi split_clients ssi upstream_ip_hash userid uwsgi addition cache_purge dav degradation flv geoip gzip_static headers_more image_filter perl push random_index realip secure_link stub_status sub xslt ey_balancer slowfs_cache upload fancyindex limit_conn lua mp4 upload_progress auth_pam gunzip metrics spdy upstream_check" NGINX_MODULES_MAIL="imap pop3 smtp" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-3 php5-4" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_2" QEMU_SOFTMMU_TARGETS="x86_64" RUBY_TARGETS="ruby18 ruby19" USERLAND="GNU" VIDEO_CARDS="nouveau" USE_PYTHON="2.7 3.2"
you don't have the driver built for what you are attempting to do. Include USE flags for the version you are having this issue with and include your log files. e.g. /var/log/libvirt/libvirtd.log and /var/log/libvirt/$driver/x86.log I honestly expect better bug reports from developers, especially arch team members.
Sorry, it was a report in a hurry. libvirtd.log says: 2013-06-09 18:37:54.553+0000: 3929: error : virDriverLoadModule:78 : failed to load module /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so /usr/lib64/libvirt/connection-driver/libvirt_driver_qemu.so: undefined symbol: VIR_STRDUP This happens after I start the service. There aren't any other logs. [ebuild R ] app-emulation/libvirt-1.0.5.1-r2 USE="caps libvirtd macvtap nls policykit python qemu udev vepa -audit -avahi -firewalld -fuse -iscsi -lvm -lxc -nfs -numa -openvz -parted -pcap -phyp -rbd -sasl (-selinux) -systemd -uml -virt-network -virtualbox -xen" 1.0.6 works fine here.
Fixed in revbump 1.0.5.1-r3.