I found in my syslog file something interesting maybe,
Sep 13 06:28:26 localhost kernel: nvidia: module license 'NVIDIA' taints kernel.
Sep 13 06:28:26 localhost kernel: ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 16
Sep 13 06:28:26 localhost kernel: PCI: Setting latency timer of device 0000:01:00.0 to 64
Apr 5 12:02:34 localhost kernel: PCI: cache line size of 32 is not supported by device 0000:00:1d.7
00:1d.7 USB Controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller (rev 04)