Hi Juan Manuel,

Which version are u using of app_rtsp? In latest one the 2088 line is:

       ast_module_user_remove(u);

I have checked it and in module.h

#define ast_module_user_remove(user) __ast_module_user_remove(ast_module_info->self, user)

So the only way I can think of seg faulting is by ast_module_info beeing null. Could you check the value of it in the core?

Best regards
Sergio


Best regards
Sergio


Juan Manuel Coronado Zúñiga escribió:
Hi Sergio,

After some tests, I can confirm that this issue doesn't affect rev240 of app_rtsp not on Asterisk 1.6.2.0 nor 1.6.2.0, where it behaves fine and calls are finished properly.

Hope this feedback will be of some help.

Regards,


--
Juan Manuel Coronado Z.


2010/2/8 Juan Manuel Coronado Zúñiga <juan.m.coron...@gmail.com <mailto:juan.m.coron...@gmail.com>>

    Sure, that's a better idea :-)

    Here's the full backtrace for the Asterisk 1.6.2.0 core dump:

    (gdb) bt full
    #0  0xb7397004 in app_rtsp (chan=0x9375590, data=0xb7177f14) at
    app_rtsp.c:2088
            u = (struct ast_module_user *)
0x935ae70 ip = 0x9378268 "172.30.0.25" url = 0xb7177f2b "/test" username = 0x0 password = 0x0 port = 5553 __PRETTY_FUNCTION__ = "app_rtsp" #1 0x08104967 in pbx_exec (c=0x9375590, app=0x9112328,
    data=0xb7177f14) at pbx.c:1348
            res = <value optimized
out> u = (struct ast_module_user *) 0x9148858 saved_c_appl = 0x0 saved_c_data = 0x0 __PRETTY_FUNCTION__ = "pbx_exec" #2 0x0810f680 in pbx_extension_helper (c=0x9375590, con=0x0,
    context=0x9375800 "pbx1", exten=0x9375850 "553", priority=2,
        label=0x0, callerid=0x9374440 "227", action=E_SPAWN,
    found=0xb717a348, combined_find_spawn=1) at pbx.c:3708
            e = <value optimized out>
            app = (struct ast_app *) 0x9112328
            res = <value optimized out>
            q = {incstack = {0x0 <repeats 128 times>}, stacklen = 0,
    status = 5, swo = 0x0, data = 0x0,
      foundcontext = 0x9375800 "pbx1"}
            passdata = "rtsp://172.30.0.25:5553/test
    <http://172.30.0.25:5553/test>", '\0' <repeats 8163 times>
            matching_action = 0
            __PRETTY_FUNCTION__ = "pbx_extension_helper"
    #3  0x0811192d in __ast_pbx_run (c=0x9375590, args=0x0) at pbx.c:4167
            dst_exten = '\0' <repeats 12 times>, "1�ѷ", '\0' <repeats
    60 times>, "\020", '\0' <repeats 19 times>, "\230�7\t", '\0'
    <repeats 44 times>, "T�ѷ", '\0' <repeats 20 times>,
    
"��ѷ\f\000\000\000\230�7\000�\237��`���\000\000\000\0008�\027��\031ҷ`���\f\000\000\000\000\000\000\000`���\200\024:\t\f\000\000\000\200\033\000\000\210�7\t\235�ٷ\230�7\t\210�7\tpv\a\b\210\021\033\b\f\000\000"
            pos = 4001536
            digit = 0
            invalid = <value optimized out>
            found = 1
    ---Type <return> to continue, or q <return> to quit---
            res = 0
            error = 0
            __PRETTY_FUNCTION__ = "__ast_pbx_run"
    #4  0x08113190 in pbx_thread (data=0x9375590) at pbx.c:4544
    No locals.
    #5  0x0815327b in dummy_start (data=0x937e898) at utils.c:968
            __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf =
    {154659208, 0, 4001536, -1223187512, -699156598,
            -747528460}, __mask_was_saved = 0}}, __pad = {0xb717a480,
    0x0, 0x0, 0x0}}
            not_first_call = <value optimized out>
            ret = <value optimized out>
    #6  0xb7c984b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
    No symbol table info available.
    #7  0xb7d90a5e in clone () from /lib/i686/cmov/libc.so.6
    No symbol table info available.
    (gdb)



    And for 1.6.2.1 <http://1.6.2.1>:

    (gdb) bt
full
    #0  0xb72f1004 in app_rtsp (chan=0x86f6608, data=0xb70d1f14) at
app_rtsp.c:2088 u = (struct ast_module_user *) 0x86f8fb0
            ip = 0x86fab40
"172.30.0.25"
            url = 0xb70d1f2b
"/test"
            username =
0x0
            password =
0x0
            port =
5553
            __PRETTY_FUNCTION__ =
"app_rtsp"
    #1  0x08104cb7 in pbx_exec (c=0x86f6608, app=0x86f94a0,
data=0xb70d1f14) at pbx.c:1348 res = <value optimized out>
            u = (struct ast_module_user *)
0x86cefe0
            saved_c_appl =
0x0
            saved_c_data =
0x0
            __PRETTY_FUNCTION__ =
"pbx_exec"
    #2  0x0810f850 in pbx_extension_helper (c=0x86f6608, con=0x0,
context=0x86f6878 "pbx1", exten=0x86f68c8 "553", priority=2, label=0x0, callerid=0x86f91f8 "227", action=E_SPAWN, found=0xb70d4348, combined_find_spawn=1) at pbx.c:3706 e = <value optimized out>
            app = (struct ast_app *)
0x86f94a0
            res = <value optimized
out>
            q = {incstack = {0x0 <repeats 128 times>}, stacklen = 0,
    status = 5, swo = 0x0, data = 0x0,
      foundcontext = 0x86f6878 "pbx1"}
            passdata = "rtsp://172.30.0.25:5553/test
    <http://172.30.0.25:5553/test>", '\0' <repeats 5808 times>, "c^Ƿ",
    '\0' <repeats 12 times>,
    
"x=\r�\000\000\000\000\000=\r�\000\000\000\000\000\000\000\000\a\000\000\000\006",
    '\0' <repeats 11 times>,
    "�?\000\000\000\000\2268\213�H<\r��\211ķl<\r�\2268\213�", '\0'
    <repeats 20 times>,
    "����5\003\000\000\000\000\000\000\000\000\000\000,�ķ", '\0'
    <repeats 24 times>,
    "�;\r�\000\000\000\000\000\000\000\000\000=\r�", '\0' <repeats 16
    times>, "����", '\0' <repeats 40 times>, "����\225"...
            matching_action = 0
            __PRETTY_FUNCTION__ = "pbx_extension_helper"
    #3  0x08111b9d in __ast_pbx_run (c=0x86f6608, args=0x0) at pbx.c:4165
            dst_exten =
    
"\022\000\000\000`ظ�����1\235Ƿ\224���t��\001\000\000\000����.�ˠ�\201\\c\r��\201��lc\r�t�...@c\r�����\000\000\000\000`ظ�\005\000\000\000\020\000\000\000\001\000\000\000pc\r��;�dc\r��uo\b\000\000\000\000@ڸ�lc\r...@c\r�\001\000\000\000<C\r�\000\000\000\000\214C\r�\000\200\a\237�\000\000\000\000T\217Ƿ",
    '\0' <repeats 12 times>,
    "@C\r��C\r��{Ƿ\f\000\000\000�Uo\000�?`Q\000\000\000\0008C\r���Ƿ`Q"...
    ---Type <return> to continue, or q <return> to quit---
            pos = 4001536
            digit = 0
            invalid = <value optimized out>
            found = 1
            res = 0
            error = 0
            __PRETTY_FUNCTION__ = "__ast_pbx_run"
    #4  0x08113400 in pbx_thread (data=0x86f6608) at pbx.c:4542
    No locals.
    #5  0x0815305b in dummy_start (data=0x86f55a0) at utils.c:968
            __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf =
    {141435248, 0, 4001536, -1223867448, 161732390, 960872024},
          __mask_was_saved = 0}}, __pad = {0xb70d4480, 0x0,
    0xb70d43c4, 0xb7d63ff4}}
            not_first_call = <value optimized out>
            ret = <value optimized out>
    #6  0xb7bf24b5 in start_thread () from /lib/i686/cmov/libpthread.so.0
    No symbol table info available.
    #7  0xb7ceaa5e in clone () from /lib/i686/cmov/libc.so.6
    No symbol table info available.
    (gdb)


    Best regards,

    --
    Juan Manuel Coronado Z.



    On Mon, Feb 8, 2010 at 11:39 AM, Sergio Garcia Murillo
    <sergio.gar...@fontventa.com <mailto:sergio.gar...@fontventa.com>>
    wrote:

        Hi Juan Manuel,

        Could you send a backtrace of the core dumps instead?

        Best regards
        Sergio

        Juan Manuel Coronado Zúñiga escribió:
        >
        > Hi Sergio and list,
        >
        > Hanging up a succesfull call from a Eyebeam Softphone (H.264) to
        > app_rtsp causes Asterisk to crash. I've tried versions 1.6.0.10,
        > 1.6.2.0 and 1.6.2.1.
        >
        > I have the following setup:
        >
        > - Asterisk with app_rtsp rev 250 in Debian Lenny (5.0.3) i386.
        > - Grandstream GXV3601 registered in Asterisk.
        > - VLC in other PC which connects to the Camera, performs the
        > authentication (I've experienced issues with app_rtsp auth) and
        > re-streams to Asterisk.
        > - Windows machine with Eyebeam softphone and a webcam attached.
        >
        > The call to app_rtsp succesfully shows the video streamed by the
        > camera, but when hanging up it causes a segfault. I can
        provide 2 core
        > dumps with the latest versions of Asterisk if needed (1.3 MB).
        >
        > Any help would be appreciated.
        >
        > Regards,
        >
        >
        > --
        > Juan Manuel Coronado Z.
        >



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