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gdb shows segfault on reading passwd.db

From: Daniel Kehoe <kehoe_at_fortuity.com>
Date: 2005-03-23 03:08:51 CET

I've compiled and installed Subversion 1.1.3 on a Sun Cobalt Raq550 but
I'm getting a "Segmentation fault" error on use of "svnadmin create".

I've run gdb debug and found "svnadmin create" fails on an attempt to
open "/var/db/passwd.db". It shows "No such file or directory" but the
file *does* exist.

Is there a potential problem with different versions of that file or
Berkeley DB on this system?

Is there a configuration file I need to create?

I'd appreciate any help on resolving this issue. I've already scoured
the FAQ and the mailing list archives.

Here's the debug details.

[root /var]# which svnadmin
/usr/local/bin/svnadmin
[root /var]# svnadmin create /var/subversion
Segmentation fault (core dumped)
[root /var]# gdb svnadmin
GNU gdb 5.0rh-5 Red Hat Linux 7.1
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and
you are
welcome to change it and/or distribute copies of it under certain
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for
details.
This GDB was configured as "i386-redhat-linux"...
(gdb) r create /var/subversion
Starting program: /usr/local/bin/svnadmin create /var/subversion
[New Thread 1024 (LWP 27913)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 27913)]
0x00000000 in __strtol_internal (nptr=0x4041d4a0 "/var/db/passwd.db",
     endptr=0x1, base=16, group=0) at eval.c:35
35 eval.c: No such file or directory.
         in eval.c
(gdb) backtrace
#0 0x00000000 in __strtol_internal (nptr=0x4041d4a0
"/var/db/passwd.db",
     endptr=0x1, base=16, group=0) at eval.c:35
#1 0x4039af9e in db_open () from /lib/libnss_db.so.2
#2 0x4039b050 in internal_setent () from /lib/libnss_db.so.2
#3 0x40399943 in _nss_db_endpwent () from /lib/libnss_db.so.2
#4 0x40399d6f in _nss_db_getpwuid_r () from /lib/libnss_db.so.2
#5 0x402e8d9f in __getpwuid_r (uid=0, resbuf=0xbffff010,
     buffer=0xbfffee10
"\004\005\006\a\b\t\n\013\f\r\016\017\020\021\022\023\024\025\026\027L?
\006\b?\205", buflen=512, result=0xbfffee0c)
     at ../nss/getXXbyYY_r.c:200
#6 0x4019c710 in apr_uid_name_get (username=0xbffff05c, userid=0,
p=0x8058f78)
     at userinfo.c:117
#7 0x40089144 in svn_config__user_config_path (config_dir=0x0,
     path_p=0xbffff0a0, fname=0x4009dbc1 "servers", pool=0x8058f78)
     at subversion/libsvn_subr/config_file.c:324
#8 0x400876ac in get_category_config (cfg=0xbffff0d8, config_dir=0x0,
     category=0x4009dbc1 "servers", pool=0x8058f78)
     at subversion/libsvn_subr/config.c:213
#9 0x4008775a in svn_config_get_config (cfg_hash=0xbffff110,
config_dir=0x0,
     pool=0x8058f78) at subversion/libsvn_subr/config.c:233
#10 0x08049eb7 in subcommand_create (os=0x8058fb0, baton=0xbffff230,
     pool=0x8058f78) at subversion/svnadmin/main.c:457
#11 0x0804bc46 in main (argc=3, argv=0xbffff304)
     at subversion/svnadmin/main.c:1228
#12 0x4025ceab in __libc_start_main (main=0x804b19c <main>, argc=3,
     ubp_av=0xbffff304, init=0x80493d8 <_init>, fini=0x804bdbc <_fini>,
     rtld_fini=0x4000c090 <_dl_fini>, stack_end=0xbffff2fc)
     at ../sysdeps/generic/libc-start.c:129

  --
   Daniel
  kehoe@fortuity.com

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Received on Wed Mar 23 03:11:18 2005

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