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Bug 369579

Summary: app-emulation/qemu-kvm: Can't run kvm as user: open /dev/kvm: Permission denied
Product: Gentoo Linux Reporter: Alec Meyers <alecm_88>
Component: Current packagesAssignee: Gentoo Linux bug wranglers <bug-wranglers>
Status: RESOLVED DUPLICATE    
Severity: normal CC: alecm_88
Priority: Normal    
Version: unspecified   
Hardware: IA64   
OS: Linux   
Whiteboard:
Package list:
Runtime testing required: ---

Description Alec Meyers 2011-05-31 20:36:34 UTC
kvm no longer starts when run as user, even though I'm in the kvm group.

Reproducible: Always

Steps to Reproduce:
1. Run: qemu -enable-kvm

Actual Results:  
$ qemu -enable-kvm
open /dev/kvm: Permission denied
failed to initialize KVM: Operation not permitted


Expected Results:  
A virtual machine window should pop up (this happens as root)


Portage 2.2.0_alpha37 (default/linux/amd64/10.0/desktop, gcc-4.5.2, glibc-2.13-r2, 2.6.39 x86_64)
=================================================================
                        System Settings
=================================================================
System uname: Linux-2.6.39-x86_64-Intel-R-_Core-TM-_i7_CPU_M_620_@_2.67GHz-with-gentoo-2.0.2
Timestamp of tree: Mon, 30 May 2011 17:45:01 +0000
app-shells/bash:          4.2_p10
dev-java/java-config:     2.1.11-r3
dev-lang/python:          2.7.1-r1, 3.2
dev-util/cmake:           2.8.4-r1
sys-apps/baselayout:      2.0.2
sys-apps/openrc:          0.8.2-r1
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.13, 2.68
sys-devel/automake:       1.9.6-r3, 1.10.3, 1.11.1-r1
sys-devel/binutils:       2.21
sys-devel/gcc:            4.5.2, 4.6.0
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82
sys-kernel/linux-headers: 2.6.38 (virtual/os-headers)
sys-libs/glibc:           2.13-r2
Repositories: gentoo x11 local
Installed sets: @hphp, @kde4, @ooffice-tmp, @texlive, @xfce4
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA AdobeFlash-10.1 dlj-1.1"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-O2 -march=native -pipe -fno-ident -floop-interchange -floop-strip-mine -floop-block -ggdb"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt /usr/share/themes/oxygen-gtk/gtk-2.0"
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 /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c"
CXXFLAGS="-O2 -march=native -pipe -fno-ident -floop-interchange -floop-strip-mine -floop-block -ggdb"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests binpkg-logs buildsyspkg distlocks ebuild-locks fixlafiles fixpackages news preserve-libs protect-owned sandbox sfperms splitdebug strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://mirrors.rit.edu/gentoo/"
LANG="en_US.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu"
LINGUAS="en"
MAKEOPTS="-j5"
PKGDIR="/usr/portage/packages"
PORTAGE_COMPRESS="gzip"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_EXTRA_OPTS="--exclude-from=/etc/portage/rsync_excludes"
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/tree/official"
PORTDIR_OVERLAY="/usr/portage/tree/layman/x11 /usr/portage/tree/local"
SYNC="rsync://rsync21.us.gentoo.org/gentoo-portage"
USE="X a52 aac aalib acl acpi aio alsa amd64 apng audiofile avi bash-completion berkdb bluetooth branding bzip2 cairo cdr chm cli cracklib crypt css cups curl custom-optimization cxx dbus dell dirac dri dts dvd dvdr emboss encode exif expat ffmpeg fftw firefox flac foomaticdb fortran ftp gallium gdu gif git gmp gpm gtk iconv imagemagick imlib inotify java5 java6 jpeg kde kdehiddenvisibility kvm laptop latex lcms libnotify logrotate lqr lzma lzo mad mmx mmxext mng modules mp3 mp4 mpeg mplayer mudflap multilib musepack ncurses nptl nptlonly nsplugin nvidia ogg opengl openmp openssl pam pango pch pcre pdf perl png ppds pppd python qt qt3support qt4 quicktime rar readline resolvconf rtmp samba schroedinger sdl session sndfile speex spell sqlite sqlite3 srt sse sse2 sse3 sse4 ssl ssse3 startup-notification subversion svg sysfs tcpd theora threads tiff tokyocabinet truetype udev unicode usb v4l v4l2 vaapi vcd videos vim-syntax vorbis vpx webkit webp wifi wmf x264 xcb xcomposite xft xorg xscreensaver xulrunner xv xvid xvmc xz zip zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci 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 authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid 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" CALLIGRA_FEATURES="braindump flow karbon kexi kpresenter krita tables words" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="keyboard mouse synaptics evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="en" PHP_TARGETS="php5-3" QEMU_SOFTMMU_TARGETS="arm i386 x86_64" QEMU_USER_TARGETS="arm i386 x86_64" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="intel i965" XFCE_PLUGINS="clock logout menu" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" 
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS_FLAGS

=================================================================
                        Package Settings
=================================================================

app-emulation/qemu-kvm-0.14.1 was built with the following:
USE="aio alsa bluetooth curl jpeg (multilib) ncurses png sdl threads -brltty -debug -esd -fdt -hardened -pulseaudio -qemu-ifup -rbd -sasl -spice -ssl -static -vde -vhost-net -xen" QEMU_SOFTMMU_TARGETS="(arm) i386 x86_64 -cris (-m68k) -microblaze (-mips) -mips64 -mips64el -mipsel (-ppc) (-ppc64) -ppcemb -sh4 -sh4eb (-sparc) -sparc64" QEMU_USER_TARGETS="(arm) i386 x86_64 (-alpha) -armeb -cris (-m68k) -microblaze (-mips) -mipsel (-ppc) (-ppc64) -ppc64abi32 -sh4 -sh4eb (-sparc) -sparc32plus -sparc64"
Comment 1 Agostino Sarubbo gentoo-dev 2011-05-31 21:49:53 UTC
works for me also when the user isn't in kvm group
Comment 2 Alec Meyers 2011-05-31 21:54:06 UTC
(In reply to comment #1)
> works for me also when the user isn't in kvm group

Are you using qemu-kvm-0.14.1? It used to work recently, so it's likely it was caused by the recent update.
Comment 3 Alec Meyers 2011-05-31 23:11:49 UTC
Looks like it was fixed in -r1.

*** This bug has been marked as a duplicate of bug 369187 ***