Further testing with different devices showed that we need more rules to drive gl backends with nvidia cards. Related denies look like: apparmor="DENIED" operation="open" name="/usr/share/egl/egl_external_platform.d/" requested_mask="r" apparmor="DENIED" operation="open" name="/proc/modules" requested_mask="r" apparmor="DENIED" operation="open" name="/proc/driver/nvidia/params" requested_mask="r" apparmor="DENIED" operation="mknod" name="/dev/nvidiactl" requested_mask="c" Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1817943 Signed-off-by: Christian Ehrhardt <christian.ehrhardt@xxxxxxxxxxxxx> --- src/security/virt-aa-helper.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/security/virt-aa-helper.c b/src/security/virt-aa-helper.c index e9120213ff..13b507ff69 100644 --- a/src/security/virt-aa-helper.c +++ b/src/security/virt-aa-helper.c @@ -1279,6 +1279,11 @@ get_files(vahControl * ctl) virBufferAddLit(&buf, " \"/usr/share/drirc.d/{,*.conf}\" r,\n"); virBufferAddLit(&buf, " \"/etc/glvnd/egl_vendor.d/{,*}\" r,\n"); virBufferAddLit(&buf, " \"/usr/share/glvnd/egl_vendor.d/{,*}\" r,\n"); + virBufferAddLit(&buf, " \"/usr/share/egl/egl_external_platform.d/\" r,\n"); + virBufferAddLit(&buf, " \"/usr/share/egl/egl_external_platform.d/*\" r,\n"); + virBufferAddLit(&buf, " \"/proc/modules\" r,\n"); + virBufferAddLit(&buf, " \"/proc/driver/nvidia/params\" r,\n"); + virBufferAddLit(&buf, " \"/dev/nvidiactl\" rw,\n"); virBufferAddLit(&buf, " # Probe DRI device attributes\n"); virBufferAddLit(&buf, " \"/dev/dri/\" r,\n"); virBufferAddLit(&buf, " \"/sys/devices/*/*/{uevent,vendor,device,subsystem_vendor,subsystem_device}\" r,\n"); -- 2.17.1 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list