Hi, Am Mo 21 Mär 2016 23:29:01 CET schrieb Andreas Beckmann <a...@debian.org>:
> So let's try what should happen within clinfo manually: > > (as root) > # modprobe -r nvidia-uvm > > (as user) > $ modprobe -v nvidia-uvm I had to add /sbin to the path, the results are similar to what you are expecting: $ PATH=$PATH:/sbin modprobe -v nvidia-uvm install modprobe nvidia ; modprobe -i nvidia-current-uvm $CMDLINE_OPTS insmod /lib/modules/4.4.0-1-amd64/updates/dkms/nvidia-current.ko modprobe: ERROR: could not insert 'nvidia_current_uvm': Operation not permitted modprobe: ERROR: ../libkmod/libkmod-module.c:977 command_do() Error running install command for nvidia_uvm modprobe: ERROR: could not insert 'nvidia_uvm': Operation not permitted > But the libnvidia-opencl.so.1 library does not call modprobe directly, > it uses the nvidia-modprobe setuid root wrapper instead: > > (as user) > $ nvidia-modprobe -u > $ dmesg | tail > $ ls -la /usr/bin/nvidia-modprobe > > Does that work? > If it doesn't, do you use anything for extra hardening of the system? > (selinux, apparmor, ...?) It doesn't work: $ nvidia-modprobe -u modprobe: ERROR: could not insert 'nvidia_current_uvm': Operation not permitted modprobe: ERROR: ../libkmod/libkmod-module.c:977 command_do() Error running install command for nvidia_uvm modprobe: ERROR: could not insert 'nvidia_uvm': Operation not permitted $ dmesg|tail [ 30.210734] systemd[1]: proc-sys-fs-binfmt_misc.automount: Got automount request for /proc/sys/fs/binfmt_misc, triggered by 724 (update-binfmts) [ 30.225790] systemd[1]: Mounting Arbitrary Executable File Formats File System... [ 30.310574] systemd[1]: Started Journal Service. [ 30.788185] systemd-journald[717]: Received request to flush runtime journal from PID 1 [ 33.445899] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 36.568635] tg3 0000:3f:00.0 eth0: Link is up at 1000 Mbps, full duplex [ 36.568658] tg3 0000:3f:00.0 eth0: Flow control is on for TX and on for RX [ 36.568686] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 134.948174] snd_hda_codec_hdmi hdaudioC0D0: HDMI: invalid ELD data byte 7 [ 257.279351] snd_hda_codec_hdmi hdaudioC0D0: HDMI: invalid ELD data byte 7 $ ls -la /usr/bin/nvidia-modprobe -rwsr-xr-x 1 root root 31224 Feb 17 00:47 /usr/bin/nvidia-modprobe apparmor is installed, but I have not changed the configuration. Maybe they have tightened the rules in a recent update? Should I remove it? Cheers Michael
