I don't claim to be an expert at gdb at all, but after compiling with debugging symbols here's what I got: GNU gdb (GDB) 7.0.1-debian Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/local/src/freeswitch/libs/spandsp/src/make_modem_filter...done. (gdb) set args -m V.17 -i -r (gdb) break 470 Breakpoint 1 at 0x4016cc: file ../src/make_modem_filter.c, line 470. (gdb) run Starting program: /usr/local/src/freeswitch/libs/spandsp/src/make_modem_filter -m V.17 -i -r Breakpoint 1, main (argc=5, argv=0x7fffffffebf8) at ../src/make_modem_filter.c:470 470 make_rx_filter(rx_coeff_sets, (gdb) print rx_coeff_sets $1 = 192 (gdb) print rx_coeffs_per_filter $2 = 27 (gdb) print carrier $3 = 1800 (gdb) print baud_rate $4 = 2400 (gdb) print rx_excess_bandwidth $5 = 0.5 (gdb) print fixed_point $6 = 1 (gdb) print rx_tag $7 = 0x4026bf "" (gdb) step Program received signal SIGSEGV, Segmentation fault. 0x0000000000400d1e in make_rx_filter (coeff_sets=Cannot access memory at address 0x7ffffff9e62c ) at ../src/make_modem_filter.c:163 163 { (gdb) Also attached a core file for your viewing pleasure :) On Sun, Jul 10, 2011 at 3:27 PM, Chris Cureau <cmcureau@gmail.com> wrote:
Hi, Steve...thanks for replying!
No core dump...but I did pass it through gdb (without compiling with debugging symbols)...
GNU gdb (GDB) 7.0.1-debian Copyright (C) 2009 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later < http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/local/src/freeswitch/libs/spandsp/src/make_modem_filter...(no debugging symbols found)...done. (gdb) set args -m V.17 (gdb) run Starting program: /usr/local/src/freeswitch/libs/spandsp/src/make_modem_filter -m V.17
Program received signal SIGSEGV, Segmentation fault. 0x0000000000400d1e in make_rx_filter ()
On Sun, Jul 10, 2011 at 2:58 PM, Steven Ayre <steveayre@gmail.com> wrote:
Did you get a coredump generated?
-Steve
On 10 July 2011 19:04, Chris Cureau <cmcureau@gmail.com> wrote:
Hi there!
This morning, I did a fresh git checkout and attempted to build freeswitch with mod_freetdm and mod_flite defined in the modules.conf. I am now getting a segfault when compiling:
making all mod_spandsp Making all in src /bin/bash: line 1: 22453 Segmentation fault ./make_modem_filter -m V.17 -r > v17_v32bis_rx_floating_rrc.h make[7]: *** [v17_v32bis_rx_floating_rrc.h] Error 139 make[6]: *** [all] Error 2 make[5]: *** [all-recursive] Error 1 make[4]: *** [/usr/local/src/freeswitch/libs/spandsp/src/libspandsp.la] Error 2 make[3]: *** [mod_spandsp-all] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2
running make_modem_filter manually gets the same result. Twiddling with the commandline options doesn't help either.
OS: Debian 6.0.1a amd64, also a fresh install from last night.
Any idea what is happening?
Thanks in advance!
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