Re: [PATCH net-next 0/4] selftests: drv-net: improve the queue test for XSK

Joe Damato
2025-02-18T21:55:11Z

On Tue, Feb 18, 2025 at 11:50:44AM -0800, Jakub Kicinski wrote:
> We see some flakes in the the XSK test:
>
> Exception| Traceback (most recent call last):
> Exception| File "/home/virtme/testing-18/tools/testing/selftests/net/lib/py/ksft.py", line 218, in ksft_run
> Exception| case(*args)
> Exception| File "/home/virtme/testing-18/tools/testing/selftests/drivers/net/./queues.py", line 53, in check_xdp
> Exception| ksft_eq(q['xsk'], {})
> Exception| KeyError: 'xsk'
>
> I think it's because the method or running the helper in the background
> is racy. Add more solid infra for waiting for a background helper to be
> initialized.

Sorry for the raciness I introduced. I think overall the direction
this is going is good - thanks for cleaning this up.

Please see my comments on patch 2 and the hang introduced with this
change.