Nvidia-kernel-dkms crashes whole system.

Taras Zakharchenko taras at zakharchenko.in.ua
Fri Oct 25 08:41:03 UTC 2013

I have NVIDIA VGA adapter on my optimus laptop.

It runs Jessie
Linux nadia 3.10-3-amd64 #1 SMP Debian 3.10.11-1 (2013-09-10) x86_64

lspci data:
01:00.0 VGA compatible controller: NVIDIA Corporation GK107M [GeForce GT
650M] (rev a1) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. N56VZ

Here is Nvidia kernel module version:
filename:       /lib/modules/3.10-3-amd64/updates/dkms/nvidia-current.ko
alias:          char-major-195-*
version:        304.108
supported:      external
license:        NVIDIA

Something strange with it.
First of all, the kernel module can not be loaded at boottime. However I
see kernelmessage starting with [info], which shows that system loads it.
Actually it does not. Here some kernel messages
[  592.940668] nvidia: module license 'NVIDIA' taints kernel.
[  593.370363] nvidia 0000:01:00.0: power state changed by ACPI to D0
[  593.386146] nvidia 0000:01:00.0: enabling device (0006 -> 0007)
[  593.386420] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  304.108  Wed
Jul 31 19:35:17 PDT 2013

When i trying to load it manually it does nothing when trying "modprobe
nvidia", however alias to nvidia-current exists. When I trying "modprobe
nvidia-current", it finally loads. But if I start any application with
optirun/primus, whole systtem crashed and laptop automatically reboots if
it can be called "reboot", because at startap OS trying to. (I can not find
any connected log messages), partly may be because the filessystem was
damaged with such "reboot".

Taras Zakharchenko
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