#437872 gnuchess: Increases CPU load to 100% if invoced by xboard

Package:
gnuchess
Source:
gnuchess
Description:
Plays a game of chess, either against the user or against itself
Submitter:
Juergen Kosel
Date:
2013-11-12 15:18:09 UTC
Severity:
normal
#437872#5
Date:
2007-08-14 16:29:22 UTC
From:
To:
If gnuchess is invoced by xboard the CPU load increases to 100%,
even when waiting for the users move.
Which looks like some kind of busy waiting.

ps -l
F S   UID   PID  PPID  C PRI  NI ADDR SZ WCHAN  TTY          TIME CMD
0 S  1000  6900  4672  0  75   0 -  3821 wait   pts/1    00:00:00 bash
0 S  1000  6940  6900  0  75   0 -  5662 -      pts/1    00:00:00 xboard
0 S  1000  6941  6940  0  78   0 -  2684 wait   pts/1    00:00:00 gnuchessx
0 R  1000  6942  6941 94  85   0 -  4173 stext  pts/1    00:01:28 gnuchess
0 R  1000  6963  6900  0  77   0 -  1887 -      pts/1    00:00:00 ps
#437872#10
Date:
2012-08-25 10:57:46 UTC
From:
To:
This is called pondering or thinking on opponent's time.
You can disable it in "Options/Ponder Next Move" or by
starting xboard with the -xponder option.

Please close the bug it that was the reason.
#437872#15
Date:
2012-10-29 19:01:22 UTC
From:
To:
Hi,

I think i got a similar bug (i'll open a new report if really different) :

- When running 'gnuchess' from console, the 'gnuchess' process takes
100% of the CPU.
- When running 'xboard', nothing abnormal (fairymax loads the CPU only
when computer is thinking).


Dear submitter, could you check if the initial behaviour you described 5
years ago still occur and if you're not confronted to my behaviour ?


Thanks,
#437872#18
Date:
2012-10-29 19:01:22 UTC
From:
To:
Hi,

I think i got a similar bug (i'll open a new report if really different) :

- When running 'gnuchess' from console, the 'gnuchess' process takes
100% of the CPU.
- When running 'xboard', nothing abnormal (fairymax loads the CPU only
when computer is thinking).


Dear submitter, could you check if the initial behaviour you described 5
years ago still occur and if you're not confronted to my behaviour ?


Thanks,
#437872#23
Date:
2012-10-30 17:16:48 UTC
From:
To:
Hello,

Am 29.10.2012 20:01, schrieb manuk7:
xboard uses now fairy-max. And CPU load goes low, while waiting for
human player input. (Not tried with gnuchess)


Greetings
	Juergen
#437872#28
Date:
2013-11-12 15:14:12 UTC
From:
To:
5 years and no closure.  This issue should be marked as severity >
Important. It drains the battery for no good. I just yesterday saw
upstream do a new release. Are they acknowleging this bug ?