journalctl -b | grep nvidia

journalctl -b | grep nvidia
jul 24 08:37:20 area52 kernel: nvidia: module license 'NVIDIA' taints kernel.
jul 24 08:37:20 area52 kernel: Modules linked in: nvidia(PO+) ath9k ath9k_common ath9k_hw x86_pkg_temp_thermal kvm_intel psmouse kvm ath atkbd alx i2c_i801 led_class mdio xhci_hcd ehci_pci ehci_hcd snd_hda_intel(+) snd_hda_codec usbcore snd_hwdep usb_common
jul 24 08:37:20 area52 kernel: CPU: 1 PID: 185 Comm: nvidia-smi Tainted: P          IO 3.12.21-gentoo-r1 #7
jul 24 08:37:20 area52 kernel:  [<ffffffffa0d25727>] nvidia_open+0x567/0x8f0 [nvidia]
jul 24 08:37:20 area52 kernel:  [<ffffffffa0d2fb2f>] nvidia_frontend_open+0x4f/0xa0 [nvidia]
jul 24 08:37:20 area52 kernel: nvidia-smi (185) used greatest stack depth: 4136 bytes left