powerflute

[Kirill Bychkov-2]

Hi everybody!
I still getting some unpleasant errors from powerflute on OpenBSD. Apcupsd is
3.14.3.
When I start it, I see the next things:
Mutex lock failure. ERR=Resource deadlock avoided
FATAL ERROR in newups.c at line 71
and this longs a lot, than it coredumps.

powerflute compiles without any errors and, as I see, with all needed flags:
c++ -c -fno-exceptions -fno-rtti -O2 -pipe -Wall -pthread
-I/usr/ports/sysutils/apcupsd/w-apcupsd-3.14.3-ncurses/apcupsd-3.14.3/include
 powerflute.c
cc -g -O -pthread powerflute.o
/usr/ports/sysutils/apcupsd/w-apcupsd-3.14.3-ncurses/apcupsd-3.14.3/src/lib/libapc.a
  -lsupc++ -lncurses -lmenu -lform -lpanel -o powerflute

Sometimes I can see borders of powerflute interface, but they are quickly
changing to error.


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[Adam Kropelin]

Kirill S. Bychkov wrote:

> Hi everybody!
> I still getting some unpleasant errors from powerflute on OpenBSD.
> Apcupsd is
> 3.14.3.
> When I start it, I see the next things:
> Mutex lock failure. ERR=Resource deadlock avoided
> FATAL ERROR in newups.c at line 71
> and this longs a lot, than it coredumps.
>
> powerflute compiles without any errors and, as I see, with all needed
> flags: c++ -c -fno-exceptions -fno-rtti -O2 -pipe -Wall -pthread
> -I/usr/ports/sysutils/apcupsd/w-apcupsd-3.14.3-ncurses/apcupsd-3.14.3/include
> powerflute.c
> cc -g -O -pthread powerflute.o
> /usr/ports/sysutils/apcupsd/w-apcupsd-3.14.3-ncurses/apcupsd-3.14.3/src/lib/libapc.a
>  -lsupc++ -lncurses -lmenu -lform -lpanel -o powerflute
>
> Sometimes I can see borders of powerflute interface, but they are
> quickly changing to error.

I looked into this a week or two ago for James Dean. I responded privately
and forgot to forward my message to the list...

Powerflute is unfixable as it stands today. It requires the recently
removed "raw status" interface over NIS. The "raw status" interface was
removed because it is broken by design (it exports the raw UPSINFO
structure, and does so in host byte order). Thus is only works between
idential apcupsd versions and does not work at all across differing
architectures.

Even when it did work, Powerflute was not terribly useful. The same
information is available using apcaccess, multimon, or apctray (win32).

Powerflute can be made to work again if someone modifies it to use the
ascii status interface instead. Doing that is not high on my priority list.
But I accept patches :)

--Adam


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