[Freeciv-Dev] Re: Consistent core dumps from CVS's civserver

[Jason Dorje Short <vze2zq63@xxxxxxxxxxx>]

"Pieter J. Kersten" wrote:
> 
> Hi Raimar,
> 
> On Mon, 12 Nov 2001, Raimar Falke wrote:
> 
> > On Mon, Nov 12, 2001 at 01:43:59PM +0100, Pieter J. Kersten wrote:
> > > L.S.,
> > >
> > > The latest CVS civserver no longer runs. After a start, it consistently
> > > core dumps with the message:
> > >
> > > civserver: map.c:1166: map_get_continent: Assertion \
> > > `is_normal_map_pos(((x)),((y)))' failed
> > >
> > > Can someone correct this please?
> >
> > Can you please give a backtrace or a savegame?
> >
> 
> Ok, here is the backtrace:
> 
> #0  0x400f08d1 in __kill () from /lib/libc.so.6
> #1  0x400f064d in raise (sig=6) at ../sysdeps/posix/raise.c:27
> #2  0x400f1cb8 in abort () at ../sysdeps/generic/abort.c:88
> #3  0x400e9d71 in __assert_fail (assertion=0x80d18c0  \
> "is_normal_map_pos(((x)),((y)))",
>     file=0x80d1559 "map.c", line=1166, function=0x80d18df \
> "map_get_continent")
>     at assert.c:74
> #4  0x080965a9 in map_get_continent (x=82, y=15) at map.c:1166
> #5  0x0806f40f in fill_island_rivers (coast=1, bucket=0x80fe95c) at \
> mapgen.c:1515
> #6  0x080700d6 in make_island (islemass=42, starters=0) at mapgen.c:1727
> #7  0x080709c5 in mapgenerator4 () at mapgen.c:1963
> #8  0x0806e71c in map_fractal_generate () at mapgen.c:1197
> #9  0x0804f258 in srv_main () at srv_main.c:1916
> #10 0x08049f89 in main (argc=3, argv=0xbffff8dc) at civserver.c:147
> #11 0x400de306 in __libc_start_main (main=0x8049a70 <main>, argc=3, \
> ubp_av=0xbffff8dc,
>     init=0x80493c4 <_init>, fini=0x80b6a90 <_fini>, rtld_fini=0x4000d2cc \
> <_dl_fini>,
>     stack_end=0xbffff8cc) at ../sysdeps/generic/libc-start.c:129
> 
> It happens right after the start command.
> The start script I've used is:
> 
> set bar 1
> set fog 0
> set aif 5
> set max 5
> set gen 4
> set saveturns 0
> cmdlevel hack first
> normal

There is a bug in the make_island code that causes the assertion to fail
ever since the CHECK_MAP_POS patch was applied recently.  No doubt this
will be fixed soon; in the meantime you can either compile without
debugging and hope, use an earlier version of freeciv (for instance CVS
from last week), or stick to map generator 1.

jason