[Nut-upsdev] Getting 'Data stale' error with bcmxcp_usb for a PowerWare 5115 on OSX

Charlie Garrison garrison at zeta.org.au
Wed Mar 10 09:08:31 UTC 2010

Good evening,

On 8/03/10 at 11:54 PM -0500, Charles Lepple <clepple at gmail.com> wrote:

>If you have time to add some upslogx() calls to the driver, I 
>would be interested in comparing the errors you are 
>experiencing when not running in debug mode. When the 
>tripplite_usb driver is in the background, it logs the following:
>3/8/10 11:26:04 PM tripplite_usb[22267] Error reading S value: 
>Device detached? (error 0: libusb/darwin.c usb_setup_iterator: 
>IOServiceGetMatchingServices: unknown error

I'm not seeing anything like that.

>One option might be to just use one -D flag, and start the 
>driver from launchd. Then you can have it respawn when the 
>device is disconnected - which I believe the bcmxcp_usb driver 
>does not currently do itself.

Yep, I had thought about that. And I'm happy to run NUT like 
that, but of course I would prefer to solve the underlying issue.

I'm happy to keep testing if there is anything else you would 
like me to try.


    Ꮚ Charlie Garrison ♊ <garrison at zeta.org.au>
    〠 PO Box 141, Windsor, NSW 2756, Australia

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