[asterisk-bugs] [JIRA] (ASTERISK-22538) Apparent loop in dlclose while loading dynamic modules during Asterisk startup

[Matt Jordan (JIRA)]

Matt Jordan created ASTERISK-22538:
--------------------------------------

             Summary: Apparent loop in dlclose while loading dynamic modules during Asterisk startup
                 Key: ASTERISK-22538
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22538
             Project: Asterisk
          Issue Type: Bug
          Components: General
    Affects Versions: 12.0.0-alpha1, 11.5.1, SVN
            Reporter: Matt Jordan


Over the weekend, one of the tests in Asterisk apparently hung. Upon connecting to the affected build agent and looking at the Asterisk process, it was clear that something was stuck in {{dlclose}}:

*dlclose_loop_error_1*
{noformat}
Thread 1 (Thread 0xb77ae730 (LWP 20263)):
#0  0x009b6be1 in _dl_catch_error () from /lib/ld-linux.so.2
#1  0x00b6803c in _dlerror_run () from /lib/libdl.so.2
#2  0x00b67d0a in dlclose () from /lib/libdl.so.2
#3  0x082305fa in load_dynamic_module (resource_in=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0) at loader.c:474
#4  0x082332ba in load_resource (resource_name=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0, required=0) at loader.c:899
#5  0x0823402a in load_resource_list (load_order=0xbfb41f20, global_symbols=0, mod_count=0xbfb41f18) at loader.c:1022
#6  0x082351fc in load_modules (preload_only=0) at loader.c:1200
#7  0x080b4a69 in main (argc=8, argv=0xbfb43454) at asterisk.c:4239
{noformat}

*dlclose_loop_error_2*
{noformat}
Thread 1 (Thread 0xb77ae730 (LWP 20263)):
#0  0x009bf816 in __sigsetjmp () from /lib/ld-linux.so.2
#1  0x009b6bb9 in _dl_catch_error () from /lib/ld-linux.so.2
#2  0x00b6803c in _dlerror_run () from /lib/libdl.so.2
#3  0x00b67d0a in dlclose () from /lib/libdl.so.2
#4  0x082305fa in load_dynamic_module (resource_in=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0) at loader.c:474
#5  0x082332ba in load_resource (resource_name=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0, required=0) at loader.c:899
#6  0x0823402a in load_resource_list (load_order=0xbfb41f20, global_symbols=0, mod_count=0xbfb41f18) at loader.c:1022
#7  0x082351fc in load_modules (preload_only=0) at loader.c:1200
#8  0x080b4a69 in main (argc=8, argv=0xbfb43454) at asterisk.c:4239
{noformat}

*dlclose_loop_error_3*
{noformat}
Thread 1 (Thread 0xb77ae730 (LWP 20263)):
#0  0x009b6ba0 in _dl_catch_error () from /lib/ld-linux.so.2
#1  0x00b6803c in _dlerror_run () from /lib/libdl.so.2
#2  0x00b67d0a in dlclose () from /lib/libdl.so.2
#3  0x082305fa in load_dynamic_module (resource_in=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0) at loader.c:474
#4  0x082332ba in load_resource (resource_name=0xa306e40 "res_snmp.so", global_symbols_only=0, resource_heap=0xa2bd1d0, required=0) at loader.c:899
#5  0x0823402a in load_resource_list (load_order=0xbfb41f20, global_symbols=0, mod_count=0xbfb41f18) at loader.c:1022
#6  0x082351fc in load_modules (preload_only=0) at loader.c:1200
#7  0x080b4a69 in main (argc=8, argv=0xbfb43454) at asterisk.c:4239
{noformat}

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.asterisk.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira