orchagent hangs at switchorch due to erase operation on map

[jipanyang]

(gdb) bt
#0 0x00007febafeae697 in std::_Rb_tree_increment(std::_Rb_tree_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1 0x0000000000485218 in operator++ (this=) at /usr/include/c++/4.9/bits/stl_tree.h:203
#2 erase (__position=..., this=0x2340f50) at /usr/include/c++/4.9/bits/stl_tree.h:867
#3 erase (__position=..., this=0x2340f50) at /usr/include/c++/4.9/bits/stl_map.h:732
#4 SwitchOrch::doTask (this=, consumer=...) at switchorch.cpp:95
#5 0x0000000000418860 in Orch::execute (this=this@entry=0x2340db0, tableName="SWITCH_TABLE") at orch.cpp:141
#6 0x0000000000410991 in OrchDaemon::start (this=this@entry=0x2340660) at orchdaemon.cpp:156
#7 0x0000000000408cb5 in main (argc=, argv=) at main.cpp:300

(gdb) p consumer.m_toSync
$8 = std::map with 0 elements
(gdb) c
Continuing.
^C
Program received signal SIGINT, Interrupt.
0x00007febafeae697 in std::_Rb_tree_increment(std::_Rb_tree_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
(gdb) bt
#0 0x00007febafeae697 in std::_Rb_tree_increment(std::_Rb_tree_node_base*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1 0x0000000000485218 in operator++ (this=) at /usr/include/c++/4.9/bits/stl_tree.h:203
#2 erase (__position=..., this=0x2340f50) at /usr/include/c++/4.9/bits/stl_tree.h:867
#3 erase (__position=..., this=0x2340f50) at /usr/include/c++/4.9/bits/stl_map.h:732
#4 SwitchOrch::doTask (this=, consumer=...) at switchorch.cpp:95
#5 0x0000000000418860 in Orch::execute (this=this@entry=0x2340db0, tableName="SWITCH_TABLE") at orch.cpp:141
#6 0x0000000000410991 in OrchDaemon::start (this=this@entry=0x2340660) at orchdaemon.cpp:156
#7 0x0000000000408cb5 in main (argc=, argv=) at main.cpp:300
(gdb)

[stcheng]

thanks for reporting this bug

[jipanyang]

Already fixed with #348, closing it.