[Nut-upsdev] ETIME on FreeBSD

[Daniel O'Connor]

On Sun, 24 Jan 2010, Alexey Loukianov wrote:
> I've been doing some extra tests with the Ippon Back Pro 700 device
> on the Scientific Linux 4.8 and it turned out that it is typical for
> the SL4.8 kernel to return ETIMEDOUT (-110) error instead of ETIME
> (-62) when trying to communicate with the hanged device.
> Looks like ETIME had appeared in the linux kernel some time between
> 2.6.9 and 2.6.26 and ETIMEDOUT was used for such error before the
> introduction of ETIME.
>
> Now, back to the FreeBSD. I had finally read up the FreeBSD handbook
> to the very end and I am almost ready to give the freebsd
> installation a chance. What versions of the FreeBSD are considered to
> be "current" from the NUT perspective?

I would recommend FreeBSD 8.0.

Note that since the USB stack was reimplemented in 8.0 the source for it 
is in /usr/src/lib/libusb (if you want to trace the guts of it).

This library has the same API as the "usual" libusb (it supports 0.1 and 
1.0 APIs).

I believe that things like device resets and re-enumeration and other 
edge cases are much more likely to work (ie at all ;) in 8.0 than older 
versions.

-- 
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
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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