[ATrpms-users] nvidia upgrade problem

[John Robinson]

On 16/01/2011 14:23, Jeffrey J. Kosowsky wrote:
> John Robinson wrote at about 11:47:01 +0000 on Sunday, January 16, 2011:
>   >  On 16/01/2011 00:18, Jeffrey J. Kosowsky wrote:
>   >  >  I just ran yum update and got the latest 2.60.19.29 drivers that
>   >  >  replace the previous 2.60.19.21 version.
>   >  >
>   >  >  However, X11 is no longer working and the syslog shows the following
>   >  >  message:
>   >  >  	NVRM: API mismatch: the client has the version 260.19.29, but
>   >  >  	NVRM: this kernel module has the version 260.19.21.  Please
>   >  >  	NVRM: make sure that this kernel module and all NVIDIA driver
>   >  >  	NVRM: components have the same version.
>   >  [...]
>   >  >  Graphics was working fine before the yum update. I didn't reboot.
>   >  >  All I did was "stop prefdm; start prefdm"
>   >
>   >  There's the problem right there. You're still running the older kernel
>   >  module because you didn't reboot (or otherwise switch to the newer
>   >  kernel module; I imagine you could have stopped prefdm, unloaded the old
>   >  module, loaded the new one, and started prefdm instead of rebooting).
>   >
> But I did "stop prefdm"; did the nvidia-graphics-switch and then
> "start prefdm"

But had you logged out of X (Gnome, KDE or whatever) and switched to a 
text console?

> That is supposed to change the kernel modules.
> I also btw tried it manually...

It will change which one is auto-loaded. It can't unload the kernel 
modules if X is still running.

Cheers,

John.