Date: Sun, 30 Jun 2013 19:36:57 +0400 From: Boris Samorodov <bsam@passap.ru> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Debugging a crash Message-ID: <51D05099.8060001@passap.ru>
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Hi All, I get an application crashing. Build some libs with debug symbols. Here is the gdb log: ----- Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 809806400 (LWP 101133/photoprint)] strtol_l (nptr=0x0, endptr=0x0, base=10, locale=<value optimized out>) at /usr/src/lib/libc/stdlib/strtol.c:73 73 } while (isspace_l((unsigned char)c, locale)); Current language: auto; currently minimal (gdb) bt #0 strtol_l (nptr=0x0, endptr=0x0, base=10, locale=<value optimized out>) at /usr/src/lib/libc/stdlib/strtol.c:73 #1 0x00000008017d951c in ps_parameters (v=0x809d0dc00, name=0x80996c120 "JCLBOXHOLDTYPE", description=0x7fffffffd0a8) at print-ps.c:380 #2 0x00000008017996df in stp_describe_parameter (v=0x809d0dc00, name=0x80996c120 "JCLBOXHOLDTYPE", description=0x7fffffffd0a8) at print-vars.c:1687 #3 0x000000000046cfd2 in ?? () #4 0x00000000004627a1 in ?? () #5 0x0000000000461da4 in ?? () #6 0x00000000004657fe in ?? () #7 0x0000000000422863 in ?? () #8 0x0000000000421f45 in ?? () #9 0x000000000041054f in ?? () #10 0x0000000800719000 in ?? () #11 0x0000000000000000 in ?? () (gdb) fr 0 #0 strtol_l (nptr=0x0, endptr=0x0, base=10, locale=<value optimized out>) at /usr/src/lib/libc/stdlib/strtol.c:73 73 } while (isspace_l((unsigned char)c, locale)); (gdb) fr 1 #1 0x00000008017d951c in ps_parameters (v=0x809d0dc00, name=0x80996c120 "JCLBOXHOLDTYPE", description=0x7fffffffd0a8) at print-ps.c:380 380 num_choices = atoi(stp_mxmlElementGetAttr(option, "num_choices")); (gdb) fr 2 #2 0x00000008017996df in stp_describe_parameter (v=0x809d0dc00, name=0x80996c120 "JCLBOXHOLDTYPE", description=0x7fffffffd0a8) at print-vars.c:1687 1687 stp_printer_describe_parameter(v, name, description); (gdb) ----- How should I proceed with debugging? Thanks! -- WBR, Boris Samorodov (bsam) FreeBSD Committer, http://www.FreeBSD.org The Power To Serve
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