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Subject: Re: Seg fault problems on 64bit linux

Author: Andreas Guettinger

Date: 01:32:37 09/05/05

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On September 04, 2005 at 21:31:59, Ryan B. wrote:

>First off I use 64 bit linux. I just went back to gcc 3.4.2 after having issues
>compiling my own program with gcc4.  To see if it was just my program I tried
>some other programs to see if they had the same problem.  I did not find the
>same problem but did find that some other programs got a seg fault running after
>compile.   I assumed gcc 4 to be a POS and went back to gcc 3.4.2 fixing my
>original problem but I still can't get some programs to work on 64bit.
>
>Amy-0.8.7 seg faults on startup when compiled on 64bit (works just fine with
>32bit gcc)
>Scorpio 1.2 seg faults on go when compiled on 64bit even after fixing the
>redefinition to long.  (works just fine with 32bit gcc)
>Beowulf works just fine but I notice it uses long long still. (wow stronger than
>I expected)
>
>I don't use Bitboards so I dont know if it is a bitboard issue.  Has anyone else
>had problems like this on 64bit using gcc?  If it is somthing simple that I
>overlooked, sorry.  For now I assume it has somthing to do with the size of long
>and I am not smart enought to find the problem using grep.


Amy is one of the few progs I couldn't get to run on my 64 bit linux system at
all. Seg faults.
For Scorpio 1.2 I think I just used the precompiled binary. Scorpio runs fine
here.
Another one that dosen't run on my system is Jonny. It starts fine, but dosent
ponder. When forcing a move after some time it's still at depth 3 or 4.
As for interfaces, eboard segfaults like crazy. Couldn't get it to run at all.
Apart of that, all the other progs I tried run stable.

regards
Andy



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