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How to get debug information?

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  How to get debug information? Floris <jkfloris@dds.nl> - 2016-04-06 17:00 +0200
    Re: How to get debug information? Floris <jkfloris@dds.nl> - 2016-04-06 17:10 +0200

#166473 — How to get debug information?

I'm testing the new Nvidia driver module with drm enabled. It is very  
experimental so I know there are bugs in it. I think I found a problem and  
I want to get more information about it from the log messages, but the  
whole system freezes. I can't ssh into the system or change to a tty.  
After a hard reboot the last lines in journalctl are:
	kernel: usb 2-1.7: current rate 0 is different from the runtime rate 48000
	Failed to get journal fields
Not very useful
Is there a way to get more information?

Floris

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#166474

Op Wed, 06 Apr 2016 16:50:10 +0200 schreef Floris <jkfloris@dds.nl>:

> I'm testing the new Nvidia driver module with drm enabled. It is very  
> experimental so I know there are bugs in it. I think I found a problem  
> and I want to get more information about it from the log messages, but  
> the whole system freezes. I can't ssh into the system or change to a  
> tty. After a hard reboot the last lines in journalctl are:
> 	kernel: usb 2-1.7: current rate 0 is different from the runtime rate  
> 48000
> 	Failed to get journal fields
> Not very useful
> Is there a way to get more information?
>
> Floris
>

Some more information

I think the issue is in vdpau

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