Aug 3 16:45:09 yi kernel: ------------[ cut here ]------------ Aug 3 16:45:09 yi kernel: WARNING: CPU: 4 PID: 10481 at fs/proc/generic.c:315 proc_register+0xc0/0x140() Aug 3 16:45:09 yi kernel: proc_dir_entry 'driver/nvidia' already registered Aug 3 16:45:09 yi kernel: Modules linked in: nvidia(PO+) snd_usb_audio bbswitch(O) uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev snd_usbmidi_lib snd_rawmidi alx mdio ath3k btusb shpchp asus_nb_wmi asus_wmi wmi x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm psmouse vboxnetadp(O) vboxnetflt(O) vboxdrv(O) efivarfs virtio_pci virtio_balloon virtio_ring virtio fuse ext3 jbd linear dm_raid raid456 async_raid6_recov async_memcpy async_pq async_xor xor async_tx raid6_pq raid1 raid10 md_mod dm_crypt dm_mirror dm_region_hash dm_log dm_mod firewire_core crc_itu_t Aug 3 16:45:09 yi kernel: CPU: 4 PID: 10481 Comm: modprobe Tainted: P W O 3.15.8-gentoo #1 Aug 3 16:45:09 yi kernel: Hardware name: ASUSTeK COMPUTER INC. N76VZ/N76VZ, BIOS N76VZ.214 07/09/2013 Aug 3 16:45:09 yi kernel: 0000000000000009 ffffffff8182bb9f ffff88018ad9bc50 ffffffff81073287 Aug 3 16:45:09 yi kernel: ffff8801fdce6a00 ffff88018ad9bca0 ffff880222ab6000 ffff880226405d80 Aug 3 16:45:09 yi kernel: ffff8801fdce6a00 ffffffff810732ec ffffffff81c05ea0 ffff880200000028 Aug 3 16:45:09 yi kernel: Call Trace: Aug 3 16:45:09 yi kernel: [] ? dump_stack+0x49/0x6a Aug 3 16:45:09 yi kernel: [] ? warn_slowpath_common+0x77/0x90 Aug 3 16:45:09 yi kernel: [] ? warn_slowpath_fmt+0x4c/0x50 Aug 3 16:45:09 yi kernel: [] ? proc_register+0xc0/0x140 Aug 3 16:45:09 yi kernel: [] ? proc_mkdir_data+0x4c/0x70 Aug 3 16:45:09 yi kernel: [] ? nv_register_procfs+0x4c/0x1e0 [nvidia] Aug 3 16:45:09 yi kernel: [] ? nvidia_init_module+0x285/0x786 [nvidia] Aug 3 16:45:09 yi kernel: [] ? nv_drm_init+0xf/0xf [nvidia] Aug 3 16:45:09 yi kernel: [] ? nvidia_frontend_init_module+0x81/0xb1 [nvidia] Aug 3 16:45:09 yi kernel: [] ? do_one_initcall+0x112/0x160 Aug 3 16:45:09 yi kernel: [] ? notifier_call_chain+0x4c/0x70 Aug 3 16:45:09 yi kernel: [] ? __blocking_notifier_call_chain+0x51/0x60 Aug 3 16:45:09 yi kernel: [] ? load_module+0x1a46/0x21e0 Aug 3 16:45:09 yi kernel: [] ? store_uevent+0x40/0x40 Aug 3 16:45:09 yi kernel: [] ? SyS_finit_module+0x6d/0x70 Aug 3 16:45:09 yi kernel: [] ? system_call_fastpath+0x16/0x1b Aug 3 16:45:09 yi kernel: ---[ end trace a021dba8bcfd39d8 ]--- Aug 3 16:45:09 yi kernel: NVRM: This is a 64-bit BAR mapped above 4GB by the system\x0aNVRM: BIOS or the Linux kernel, but the PCI bridge\x0aNVRM: immediately upstream of this GPU does not define\x0aNVRM: a matching prefetchable memory window. Aug 3 16:45:09 yi kernel: NVRM: This may be due to a known Linux kernel bug. Please\x0aNVRM: see the README section on 64-bit BARs for additional\x0aNVRM: information. Aug 3 16:45:09 yi kernel: nvidia: probe of 0000:01:00.0 failed with error -1 Aug 3 16:45:09 yi kernel: NVRM: The NVIDIA probe routine failed for 1 device(s). Aug 3 16:45:09 yi kernel: NVRM: None of the NVIDIA graphics adapters were initialized! Aug 3 16:45:09 yi kernel: [drm] Module unloaded Aug 3 16:45:09 yi kernel: NVRM: NVIDIA init module failed! Aug 3 16:45:11 yi gdm-Xorg-:0[4690]: removing GPU device /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card1 /dev/dri/card1