cuda and opencl programs stop working using nvidia-drivers version 334.21 or 334.21-r1. The installed cuda-toolkit is nvidia-toolkit-5.5.22 The programs tested on my machine were gromacs-4.6.5 which doesn't find gpus anymore blender-2.70 which doesn't show the gpu option in the cycles rendering engine anymore and a handwritten opencl application. The OpenCL application threw a segmentation fault using drivers 334.21 and error about a missing kernel module called nivida-umw (nvidia-urw?) and segfaulted again. Reproducible: Always Steps to Reproduce: 1. Install nvidia-drivers-334.21 or nvidia-drivers-334.21-r1 2. Install nvidia-cuda-toolkit-5.5.22 3. run a cuda or opencl program Actual Results: segmentation fault, or cuda options missing Expected Results: the cuda program should run on the graphics card as expected. emerge --info Portage 2.2.8-r1 (default/linux/amd64/13.0/no-multilib, gcc-4.7.3, glibc-2.17, 3.12.13-gentoo x86_64) ================================================================= System uname: Linux-3.12.13-gentoo-x86_64-Intel-R-_Core-TM-_i7-4771_CPU_@_3.50GHz-with-gentoo-2.2 KiB Mem: 16111740 total, 14893172 free KiB Swap: 30427132 total, 30427132 free Timestamp of tree: Thu, 20 Mar 2014 17:30:01 +0000 ld GNU ld (GNU Binutils) 2.23.2 app-shells/bash: 4.2_p45 dev-java/java-config: 2.2.0 dev-lang/python: 2.7.5-r3, 3.3.3 dev-util/cmake: 2.8.11.2 dev-util/pkgconfig: 0.28 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.12.4 sys-apps/sandbox: 2.6-r1 sys-devel/autoconf: 2.13, 2.69 sys-devel/automake: 1.9.6-r3, 1.11.6, 1.13.4 sys-devel/binutils: 2.23.2 sys-devel/gcc: 4.7.3-r1 sys-devel/gcc-config: 1.7.3 sys-devel/libtool: 2.4.2 sys-devel/make: 3.82-r4 sys-kernel/linux-headers: 3.9 (virtual/os-headers) sys-libs/glibc: 2.17 Repositories: gentoo local_ebuilds ACCEPT_KEYWORDS="amd64" ACCEPT_LICENSE="* -@EULA NVIDIA-CUDA" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=native -pipe" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/gnupg/qualified.txt" 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 /etc/texmf/language.dat.d /etc/texmf/language.def.d /etc/texmf/updmap.d /etc/texmf/web2c" CXXFLAGS="-O2 -march=native -pipe" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -march=native -pipe" FEATURES="assume-digests binpkg-logs config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync" FFLAGS="-O2 -march=native -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" LANG="en_US.UTF-8" LDFLAGS="-Wl,-O1 -Wl,--as-needed" MAKEOPTS="-j8" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/src/LOCAL_EBUILDS" USE="acl alsa amd64 avx avx2 berkdb bzip2 cli cracklib crypt cxx dbus dri fma fontconfig fortran freetype gdbm gif iconv jpeg lcms mmx modules ncurses nls nptl opengl openmp pam pcre png readline session sse sse2 sse4_1 sse4_2 ssl ssse3 svg tcpd threads tiff truetype unicode xft zlib" ABI_X86="64" 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" APACHE2_MODULES="authn_core authz_core socache_shmcb unixd 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="kexi words flow plan sheets stage tables krita karbon braindump author" 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 ublox ubx" INPUT_DEVICES="keyboard mouse evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="en de fr" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-5" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby19 ruby20" USERLAND="GNU" VIDEO_CARDS="intel nvidia" 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, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, SYNC, USE_PYTHON
Can I hazard a guess that you have x11-drivers/nvidia-drivers built with USE=-uvm?
I had the same problem but re-emerging nvidia-drivers with USE=uvm fixed it. I suppose that nvidia-cuda-toolkit should depend on this flag.
+ 22 Mar 2014; Justin Lecher <jlec@gentoo.org> + nvidia-cuda-toolkit-4.2.9-r2.ebuild, nvidia-cuda-toolkit-5.5.22.ebuild: + Add uvm UDE-dep to nvidia-drvers, #505198 +
Actually even with the uvm USE flag enabled this does not work for nvidia-drivers-334.21 which is the current stable version. It works perfectly for nvidia-drivers-334.21-r1 and 334.21-r2 though. Maybe in this case nvidia-cuda-toolkit should further depend on a version of nvidia-drivers != 334.21
You shouldn't mix stable and unstable. Some maintainers are very picky with this. I will set the dep.
(In reply to Justin Lecher from comment #5) > You shouldn't mix stable and unstable. Some maintainers are very picky with > this. That doesn't apply here at all. > I will set the dep. That won't fare well when the deps keep changing. Consider that the -r2s are to go stable soonish and you'll have cruft building up in your nvidia-cuda-toolkit ebuilds before you know it. The bug is known, it's fixed. (In reply to Justin Lecher from comment #3) > + 22 Mar 2014; Justin Lecher <jlec@gentoo.org> > + nvidia-cuda-toolkit-4.2.9-r2.ebuild, nvidia-cuda-toolkit-5.5.22.ebuild: > + Add uvm UDE-dep to nvidia-drvers, #505198 Could you get a spell checker, maybe?
Also, the current dep is wrong as 331 already has USE=uvm. FTFY
