[Nut-upsuser] LibUSB-1.0+0.1 testing wanted, NUT 2.7.5 pending

Yogesh Bhanu yogesh.bhanu at gmail.com
Mon Dec 27 10:00:07 GMT 2021

Hi Jim,

I was able to test it on Arch linux on RPI3 against my Tripplite
SMC1000LCD. It Works.
P.S: on Arch Linux there is libusb-compat (0.1) and libusb (1.0) .
Also the git version is still 2.7.4 ~ v2.7.4.r3891.gea87c8c7.

Good Luck and a Happy new year.



On Sun, Dec 26, 2021 at 10:51 AM Jim Klimov via Nut-upsuser <
nut-upsuser at alioth-lists.debian.net> wrote:

> Reminder: I plan to merge
> https://github.com/networkupstools/nut/tree/fightwarn-libusb-1.0+0.1 as
> "libusb-1.0+0.1" branch and as master after that, early next week.
> If anyone has tested this codebase against hardware, or needs a few more
> days to do so, please let me know here or in issue #300.
> Happy holidays,
> Jim
> On Tue, Dec 21, 2021, 21:42 Jim Klimov <jimklimov+nut at gmail.com> wrote:
>> Hello fellow NUTs :)
>>   It seems the magic of the season might just help us finish some long
>> story arcs and tie up loose ends... oh, wait, that is wording about other
>> "seasons" ;)
>>   In our case, the "fightwarn" effort is reaching a major milestone to
>> finally pass the builds with "medium" level of warnings treated as fatal
>> errors - with zero warnings. This achievement took a bit over a year, and
>> almost 3000 commits to analyze and stomp out different small bugs, and it
>> allows to set that tolerance level as default and insist on non-regressions
>> with future iterations - as well as to work towards clearing the "hard"
>> level eventually. And this became one of the criteria for cutting a new
>> official NUT release (especially as new platforms refused to build release
>> 2.7.4 with their default settings).
>>   This work has originally delayed merging of libusb-1.0 support (from
>> issue https://github.com/networkupstools/nut/issues/300 and several
>> candidate branches to pick from), in particular because with the original
>> codebase sporting thousands of build warnings, it was hard to notice any
>> new "offences" introduced by this large set of changes. I was afraid that
>> merging it would even have to wait until after the next NUT release, but in
>> the end found that some remaining warnings in the original USB-related NUT
>> codebase made those branches' changes the better solution.
>>   Now, before we find the hard way if the cure is worse than the disease,
>> I would like to ask people with USB-connected UPSes (and also those using
>> the MGE SHUT protocol) to build and test
>> https://github.com/networkupstools/nut/tree/fightwarn-libusb-1.0+0.1
>> branch with their setups - hopefully hitting as many OSes and CPU types as
>> feasible, as well as trying both libusb-0.1, libusb-1.0 (and not sure about
>> libusb-0.1-compat).
>>   For building from scratch, note we now have a list of prerequisite
>> packages for several platforms at
>> https://github.com/networkupstools/nut/blob/master/docs/config-prereqs.txt
>> - and as for other code, PRs there are welcome too.
>> Note also the new `ci_build.sh` script to automate a number of
>> configurations and setups, usually reducing the typing needed to reproduce
>> build attempts :)
>>   I understand that some people would be away for holidays, but also
>> realize that for others these days may be among the few times in the year
>> that can be dedicated to such experiments and other hobbies. It would be
>> much appreciated if you can help bring the official new confident NUT
>> release date closer ;)
>>   The NUT CI farm is busy testing hundreds of build combinations formally
>> in software, but it is no replacement for tests against actual hardware.
>>   Also, great thanks to dozens of individual and corporate contributors
>> adding and fixing NUT drivers and other features (a few are still being
>> tested and may become part of the new release too), and sharing findings
>> and ideas in the issue tracker -- you guys and gals are our real heroes!
>>   Finally, on behalf of the NUT core team, please let me wish you all a
>> happy holiday season and some quality time to rest, walk, ski and be with
>> family and friends!
>> Jim Klimov
>> _______________________________________________
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