[Intel-wired-lan] zero-copy between interfaces

Björn Töpel bjorn.topel at intel.com
Mon Jan 20 17:04:15 UTC 2020


On 2020-01-17 18:16, Ryan Goodfellow wrote:
[...]
> 
> https://gitlab.com/mergetb/tech/network-emulation/kernel/snippets/1931080
> 

Ryan, thanks a lot for the detailed report! Much appreciated!

Long story short, the i40e crash is that the drivers tries to allocate 
256 queues, but the HW is short on queues. The drivers enters a broken 
state, which triggers the crash.

I'll make sure we'll get a patch for this.


Björn


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