Hey Mathias,

> On 19 May 2017, at 09:58, Mathias Nyman <mathias.ny...@linux.intel.com> wrote:
> 
>> 
> 
> 4.11 kernel has xhci traces enabled, could you try to reproduce it with 4.11?
> xhci traces can be enabled with:
> 
> echo 1 > /sys/kernel/debug/tracing/events/xhci-hcd/enable
> 
> If you know how to reliably reproduce this then please enable tracing just 
> before
> triggering this. It generates a lot of data.
> 
> -Mathias
I would be able to do xhci traces with a 4.10 kernel (4.10.0-21-generic 
#23~16.04.1-Ubuntu SMP). Don’t really want to go to 4.11. . Still interested?

Where do these traces go?

Cheers,
Christoph






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