Re: panic: kernel diagnostic assertion "xfer->ux_state == XFER_BUSY" failed

[Michael van Elst <mlelstv%serpens.de@localhost>]

On Sat, May 25, 2019 at 01:52:27PM -0700, Michael Cheponis wrote:
> I've had this issue multiple times.  It seems to be related to high USB I/O
> load; in my case to an external USB spinning disk, perhaps with network I/O
> simultaneously.
> 
> I've not been able to reproduce it on demand, tho; when re-starting similar
> traffic, it seems fine for quite a while, often longer than it takes the
> disk transfer and network I/O to complete.

I could reproduce it easily with iperf3. I've just committed something
that fixes it for me.

Probably a similar change is needed for axen(4).


Greetings,
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."