USB config SX lock deadlock

[Daniel O'Connor]

On 09/10/2013, at 20:59, Hans Petter Selasky <hps at bitfrost.no> wrote:
>> I have previously run the same hardware on 9.0 (where there was a panic in devfs triggered if the DAQ card disconncted sometimes) and 9.1 (where I have not seen any problems).
>> 
>> Does anyone have an idea about how I could go about gathering more information if it happens again?
>> 
> It is not a deadlock. It is just that the reference in /dev/cuaUX does not go away. Have you tried 9-stable?


It is actually running r253505, sorry I should have mentioned that before.

It isn't a serial device, although the driver is a thin wrapper around the usb_fifo code (which is very useful - thanks :)

> There are also some sysctls you can set, see hw.usb to change the shutdown behaviour.

This would be hw.usb.no_shutdown_wait ?

--
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
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