Re: [Chicken-users] Chicken segfault

[Felix]

From: Sven Hartrumpf <address@hidden>
Subject: Re: [Chicken-users] Chicken segfault
Date: Thu, 16 Jun 2011 21:04:11 +0200 (CEST)

> Hi all.
> 
> Thu, 16 Jun 2011 19:12:22 +0200, Peter.Bex wrote:
> 
>>> How should I investigate this problem?
>> 
>> Tried gdb?
> 
> Good idea. I rebuilt chicken with DEBUGBUILD=1
> and ran gdb on chicken:
> 
> (gdb) run r-matcher-ch.scm -output-file r-matcher-ch.c -debug-level 1 
> -optimize-level 3
> Program received signal SIGSEGV, Segmentation fault.
> 0x00002aaaab1b6ab6 in C_i_list_tail (lst=6, i=5) at runtime.c:4837
> 4837      if(lst != C_SCHEME_END_OF_LIST && C_block_header(lst) != C_PAIR_TAG)
> (gdb) bt
> #0  0x00002aaaab1b6ab6 in C_i_list_tail (lst=6, i=5) at runtime.c:4837
> #1  0x00002aaaaadf8aa2 in f_6485 (c=4, t0=46912838379416, t1=140737488226416, 
> t2=6, t3=5) at library.c:37514
> #2  0x00002aaaab202c78 in l3 () from free/chicken-4.7.0-64/lib/libchicken.so.6
> #3  0x00002aaabf1dec68 in ?? ()
> #4  0x00002aaaab1b9e77 in C_apply (c=4, closure=0, k=140737488226416, 
> fn=46912838379416) at runtime.c:5834
> #5  0x0000000000580643 in f_12524 (c=2, t0=140737488281200, 
> t1=140737488281008) at support.c:5168

Hey, that's good. "list-tail" is called with a "#f" argument. If you send me the
source file, I should be able to find the cause quickly. Otherwise I can check
the 4.7.0 tarball and find out what f_12524 is. The former would be better, 
though.


cheers,
felix