There are 2 bugs in 3.14.4's handling of serial ups's.
The first is in src/drivers/apcsmart/smart.c
UPSlinkCheck should have a write_unlock(ups) to match the write_lock(ups) it calls.
The second is in src/drivers/apcsmart/smartsetup.c
apcsmart_ups_setup() should drain the serial line before it tries to send/receive
data. I added:
for(;;) {
char answer[10];
*answer = 0;
getline(answer, sizeof(answer), ups);
if( *answer == 0 )
break;
}
just before the first write(ups->fd, &a,1 );
--
Roger Fujii <
rmf@...>
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