gdb content

gistfile1.txt

Excess command line arguments ignored. (/usr/bin/ceph)
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Reading symbols from python...Reading symbols from /usr/lib/debug/.build-id/cd/e2c487269892a2815c715667ae336984b82b0c.debug...done.
done.

warning: core file may not match specified executable file.
[New LWP 38625]
[New LWP 38623]
[New LWP 38619]
[New LWP 38626]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/python2.7 /usr/bin/ceph'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  Device::binding_port (this=this@entry=0x0, cct=cct@entry=0x7f7e28000b10, port_num=port_num@entry=1 '\001') at /home/hwchiu/ceph/src/msg/async/rdma/Infiniband.cc:129
129       port_cnt = device_attr->phys_port_cnt;
[Current thread is 1 (Thread 0x7f7e2d67a700 (LWP 38625))]
(gdb) bt
#0  Device::binding_port (this=this@entry=0x0, cct=cct@entry=0x7f7e28000b10, port_num=port_num@entry=1 '\001') at /home/hwchiu/ceph/src/msg/async/rdma/Infiniband.cc:129
#1  0x00007f7e31046084 in Infiniband::Infiniband (this=0x7f7e315a8bc0 <global_infiniband>, cct=0x7f7e28000b10, device_name=..., port_num=<optimized out>) at /home/hwchiu/ceph/src/msg/async/rdma/Infiniband.cc:717
#2  0x00007f7e31051e26 in Tub<Infiniband>::construct<CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int const&> (this=0x7f7e315a8bc0 <global_infiniband>)
    at /home/hwchiu/ceph/src/common/Tub.h:205
#3  RDMAStack::RDMAStack (this=0x7f7e280825b0, cct=0x7f7e28000b10, t=...) at /home/hwchiu/ceph/src/msg/async/rdma/RDMAStack.cc:530
#4  0x00007f7e31038b62 in __gnu_cxx::new_allocator<RDMAStack>::construct<RDMAStack, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__p=<optimized out>,
    this=<optimized out>) at /usr/include/c++/5/ext/new_allocator.h:120
#5  std::allocator_traits<std::allocator<RDMAStack> >::construct<RDMAStack, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__p=<optimized out>, __a=...)
    at /usr/include/c++/5/bits/alloc_traits.h:530
#6  std::_Sp_counted_ptr_inplace<RDMAStack, std::allocator<RDMAStack>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (
    __a=..., this=0x7f7e280825a0) at /usr/include/c++/5/bits/shared_ptr_base.h:522
#7  std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<RDMAStack, std::allocator<RDMAStack>, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__a=...,
    this=<optimized out>) at /usr/include/c++/5/bits/shared_ptr_base.h:617
#8  std::__shared_ptr<RDMAStack, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<RDMAStack>, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__a=..., __tag=...,
    this=<optimized out>) at /usr/include/c++/5/bits/shared_ptr_base.h:1097
#9  std::shared_ptr<RDMAStack>::shared_ptr<std::allocator<RDMAStack>, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__a=..., __tag=..., this=<optimized out>)
    at /usr/include/c++/5/bits/shared_ptr.h:319
#10 std::allocate_shared<RDMAStack, std::allocator<RDMAStack>, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> (__a=...) at /usr/include/c++/5/bits/shared_ptr.h:620
#11 std::make_shared<RDMAStack, CephContext*&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&> () at /usr/include/c++/5/bits/shared_ptr.h:636
#12 NetworkStack::create (c=0x7f7e28000b10, t="rdma") at /home/hwchiu/ceph/src/msg/async/Stack.cc:67
#13 0x00007f7e3102d64f in StackSingleton::ready (type="rdma", this=<optimized out>) at /home/hwchiu/ceph/src/msg/async/AsyncMessenger.cc:222
#14 AsyncMessenger::AsyncMessenger (this=0x7f7e28080c90, cct=0x7f7e28000b10, name=..., type=..., mname=..., _nonce=7024327804931836677) at /home/hwchiu/ceph/src/msg/async/AsyncMessenger.cc:263
#15 0x00007f7e30fdd470 in Messenger::create (cct=cct@entry=0x7f7e28000b10, type="async+rdma", name=..., lname="", nonce=<optimized out>, cflags=0) at /home/hwchiu/ceph/src/msg/Messenger.cc:41
#16 0x00007f7e30fdd9b0 in Messenger::create_client_messenger (cct=0x7f7e28000b10, lname="") at /home/hwchiu/ceph/src/msg/Messenger.cc:21
#17 0x00007f7e39dd2436 in librados::RadosClient::connect() () from /usr/lib/librados.so.2
#18 0x00007f7e39d8987f in rados_connect () from /usr/lib/librados.so.2
#19 0x00007f7e3a0dacbc in __pyx_pf_5rados_5Rados_26connect (__pyx_v_timeout=<optimized out>, __pyx_v_self=0x7f7e2d89e940) at /tmp/buildd/ceph-12.0.0-1384-g7852b80/obj-x86_64-linux-gnu/src/pybind/rados/pyrex/rados.c:10133
#20 __pyx_pw_5rados_5Rados_27connect (__pyx_v_self=<rados.Rados at remote 0x7f7e2d89e940>, __pyx_args=<optimized out>, __pyx_kwds=<optimized out>)
    at /tmp/buildd/ceph-12.0.0-1384-g7852b80/obj-x86_64-linux-gnu/src/pybind/rados/pyrex/rados.c:10079
#21 0x00000000004cb45e in ext_do_call (nk=<optimized out>, na=<optimized out>, flags=<optimized out>, pp_stack=0x7f7e2d679728, func=<built-in method connect of rados.Rados object at remote 0x7f7e2d89e940>)
    at ../Python/ceval.c:4661
#22 PyEval_EvalFrameEx () at ../Python/ceval.c:3026
#23 0x00000000004c2765 in PyEval_EvalCodeEx () at ../Python/ceval.c:3582
#24 0x00000000004ca8d1 in fast_function (nk=0, na=<optimized out>, n=<optimized out>, pp_stack=0x7f7e2d679930, func=<function at remote 0x7f7e2d8b3c80>) at ../Python/ceval.c:4445
#25 call_function (oparg=<optimized out>, pp_stack=0x7f7e2d679930) at ../Python/ceval.c:4370
#26 PyEval_EvalFrameEx () at ../Python/ceval.c:2987
#27 0x00000000004c9d8f in fast_function (nk=<optimized out>, na=<optimized out>, n=<optimized out>, pp_stack=0x7f7e2d679a80, func=<function at remote 0x7f7e3a6db1b8>) at ../Python/ceval.c:4435
#28 call_function (oparg=<optimized out>, pp_stack=0x7f7e2d679a80) at ../Python/ceval.c:4370
#29 PyEval_EvalFrameEx () at ../Python/ceval.c:2987
#30 0x00000000004c2765 in PyEval_EvalCodeEx () at ../Python/ceval.c:3582
#31 0x00000000004de6fe in function_call.lto_priv () at ../Objects/funcobject.c:523
#32 0x00000000004b0cb3 in PyObject_Call () at ../Objects/abstract.c:2546
#33 0x00000000004f492e in instancemethod_call.lto_priv () at ../Objects/classobject.c:2602
#34 0x00000000004b0cb3 in PyObject_Call () at ../Objects/abstract.c:2546
#35 0x00000000004ce5d0 in PyEval_CallObjectWithKeywords () at ../Python/ceval.c:4219
#36 0x0000000000597e32 in t_bootstrap () at ../Modules/threadmodule.c:620
#37 0x00007f7e4286f6ba in start_thread (arg=0x7f7e2d67a700) at pthread_create.c:333
#38 0x00007f7e425a582d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
(gdb) list
124         ceph_abort();
125       }
126     }
127
128     void Device::binding_port(CephContext *cct, uint8_t port_num) {
129       port_cnt = device_attr->phys_port_cnt;
130       for (uint8_t i = 0; i < port_cnt; ++i) {
131         Port *port = new Port(cct, ctxt, i+1);
132         if (i + 1 == port_num && port->get_port_attr()->state == IBV_PORT_ACTIVE) {
133 
(gdb) p device_attr
Cannot access memory at address 0x20