[Nut-upsuser] nutdrv_qx hangs after send: QS

Richard Flint richard.flint at gmail.com
Sun Apr 5 02:45:58 UTC 2015


Apologies for the many replies. I have found this documentation:

(I am using the ugen driver).


On Sun, Apr 5, 2015 at 3:34 AM Richard Flint <richard.flint at gmail.com>

> Hi,
> I have to admit this sounds like it could screw up the system if not done
> right - particularly because the solaris packaging system is unlikely to
> allow me to remove the libusb package if many things are dependent on it.
> Are there any other options - e.g. doing something with the libusb that
> ships with solaris - are we sure it doesn't support timeouts?
> I think I found some code relating to it here:
> https://java.net/projects/solaris-userland/sources/gate/show/components/libusb/wrapper/src
> Regards,
> Richard
> On Sun, Apr 5, 2015 at 3:10 AM Charles Lepple <clepple at gmail.com> wrote:
>> On Apr 4, 2015, at 9:48 PM, Richard Flint <richard.flint at gmail.com>
>> wrote:
>> Again, apologies for my ignorance - are you suggesting that if the NUT
>> application was built against openusb this would probably be fixed?
>> Yes, that is my current theory. It's a little complicated in practice -
>> openusb has a different API than libusb-0.1.x, but it supposedly includes a
>> compatibility layer.
>> If openusb works, I would not expect it to wait for more than 1 or 5
>> seconds when reading the reply.
>> If so I'm happy to give this a try - any idea how can I tell NUT to build
>> against openusb instead of libusb?
>> Not sure exactly, but to be safe, I'd make an extra backup of wherever
>> libusb is installed - my concern is that other things might be using
>> libusb, and openusb could interfere. Ideally, openusb is a strict superset
>> of libusb, but I haven't used it myself.
>> openusb does seem to use the same library name as libusb, so if libusb
>> was installed by a package, you might want to uninstall libusb first to
>> avoid conflicts.
>> NUT uses either the generic pkg-config tool or a libusb-config binary to
>> find the USB library. openusb seems to install an openusb-config file which
>> could be symlinked to libusb-config in /usr/local/bin (once the original
>> libusb package is out of the way). At that point, you can re-run the NUT
>> ./configure script, and it should list the openusb version number (1.1.11?)
>> instead of 0.1.7.
>> --
>> Charles Lepple
>> clepple at gmail
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