[CentOS] nvidia-related messages in /var/log/messages

[Fred Smith]

On Thu, May 01, 2014 at 12:50:55PM -0700, Thomas Eriksson wrote:
> 
> 
> On 05/01/2014 12:32 PM, Fred Smith wrote:
> > Just discovered these messages in /var/log/messages, while looking at
> > the USB problem I just posted about, separately.
> > 
> > Apr 27 20:23:16 fcshome kernel: NVRM: API mismatch: the client has the version 331.67, but
> > Apr 27 20:23:16 fcshome kernel: NVRM: this kernel module has the version 331.49.  Please
> > Apr 27 20:23:16 fcshome kernel: NVRM: make sure that this kernel module and all NVIDIA driver
> > Apr 27 20:23:16 fcshome kernel: NVRM: components have the same version.
> > Apr 27 20:23:16 fcshome kernel: NVRM: nvidia_frontend_ioctl: minor 255, module->ioctl failed, error -22
> > Apr 29 19:22:30 fcshome kernel: NVRM: API mismatch: the client has the version 331.67, but
> > Apr 29 19:22:30 fcshome kernel: NVRM: this kernel module has the version 331.49.  Please
> > Apr 29 19:22:30 fcshome kernel: NVRM: make sure that this kernel module and all NVIDIA driver
> > 
> > but I cannot find anything relating to Nvidia that has a 331.49 version number.
> > "yum list installed | grep 331.49" returns no hits
> > "yum list installed | grep 331.[0-9]" returns ONLY hits on 331.67.
> > "find 331" finds lots of things, but none of them is 331.49.
> > 
> > So, I'd be appreciative if someone could shine a light on this for me.
> > 
> > thanks!
> > 
> 
> You updated the NVIDIA driver/kernel module  while the old one was
> loaded into the kernel.
> 
> As root:
> # telinit 3
> # rmmod nvidia
> # telinit 5

That could well be the problem,... I tend to lose track of such things
sometimes.

for some reason telinit 3 went bonkers so I ended up doing a reboot
which should (and seems to have) also solve(d) the problem.

Thanks!
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