Question on Freebsd 9.1, usb interface to a UPSonic CXR 2000 using NUT code.

[Hans Petter Selasky]

On 02/12/14 18:29, Chris Duffy wrote:
> I have a customer of mine that just bought a
>
>   UPSonic CXR 2000
>
> and is trying to connect the usb cable from this UPS
> to a Freebsd 9.1 system running the 2.6.5 NUT code.
> Freebsd/NUT does not see the device properly.
>
> I have also been working with the NUT people and
> they suggested that I discuss this issue with the freebsd-usb
> folks.....
>
> Here are some command output that the NUT people asked for
> and after seeing it, they think it may be a bug on Freebsd
> so here I am asking for help :)  They also stated that they
> had thought that others may have gotten the blazer_usb
> driver to work properly on Freebsd but........
>
> I deactivated the uhidd stuff since NUT suggested this
> in order to get more debug info....
>
>
> # uhidd -v -u /dev/ugen1.3
>
> ugen1.3[0]-> Report descriptor size = 27
> ugen1.3[0]-> Kernel driver is active
> ugen1.3[0]-> kernel driver detached!
> ugen1.3[0]-> Find IN interrupt ep: 0x81 packet_size=0x8
>
>
> # /usr/local/libexec/nut/blazer_usb -a UPSonic -u root -DDDD
>
>     0.000000    debug level is '4'
>     0.176793    Checking device (06DA/0005) (/dev/usb//dev/ugen1.3)
>     0.183672    - VendorID: 06da
>     0.183696    - ProductID: 0005
>     0.183699    - Manufacturer: PPC
>     0.183703    - Product: USB UPS
>     0.183707    - Serial Number: unknown
>     0.183710    - Bus: /dev/usb
>     0.183714    Trying to match device
>     0.183718    Device matches
>     0.183746    Trying megatec protocol...
>     0.184566    send: Q1
>     0.423946    read: (239.3 239.3 229.9 027 50.0 2.19 22.8 00000001
>     0.423988    Status read in 1 tries
>     0.424000    Supported UPS detected with megatec protocol
>     1.455927    send: Unknown error
>     1.455973    Permissions problem: Input/output error
>
>
> Network UPS Tools - Megatec/Q1 protocol USB driver 0.09
> (2.6.5-Unversioned directory)
>
> I have checked all the ownership/permissions on the /dev
> related files and confirmed with NUT the proper stuff....
>
> Is there something I am missing to support the usb attachment
> for UPS driver for this particular UPS?
>
> Thx for any pointers/help.

Hi,

For ugenX.Y run:

usbdump -i usbusX -f Y -s 65536 -vvv

And you will see right away what USB traffic is causing the problem.

--HPS