agent crash at __memcpy_sse2_unaligned on long term tcp traffic test

[Vedamurthy Joshi]

R2.22 Build 111 Ubuntu 14.04 Juno multinode

with private binary from Praveen with fix for Bug 1522285, continuous tcp traffic (very small sessions) was sent for about 10 hrs.

Below crash was seen . This looks one off. Havent been able to repro it.

Core and binary will be in http://10.204.216.50/Docs/bugs/#

#0 __memcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:116
116 ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S: No such file or directory.
(gdb) bt
#0 __memcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:116
#1 0x0000000000fbfd50 in memcpy (__len=1342315584, __src=0x7fdb5007a178, __dest=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:51
#2 contrail::sandesh::transport::TMemoryBuffer::writeSlow (this=0x7fdb8003d170, buf=0x7fdb5007a178 "00000000-0000-0000-0000-", '0' <repeats 11 times>, "1",
    len=1342315584) at tools/sandesh/library/cpp/transport/TBufferTransports.cpp:119
#3 0x0000000000fb89d6 in write (len=<optimized out>, buf=<optimized out>, this=<optimized out>) at build/include/sandesh/transport/TTransport.h:159
#4 writePlain (str=..., this=0x7fdb80060d10) at tools/sandesh/library/cpp/protocol/TXMLProtocol.cpp:219
#5 contrail::sandesh::protocol::TXMLProtocol::writeString (this=0x7fdb80060d10, str=...) at tools/sandesh/library/cpp/protocol/TXMLProtocol.cpp:623
#6 0x0000000000efbcd8 in writeString (str=..., this=<optimized out>) at build/include/sandesh/protocol/TProtocol.h:604
#7 FlowDataIpv4::write (this=this@entry=0x7fdb1801f9a0, oprot=...) at build/production/sandesh/common/flow_types.cpp:1054
#8 0x0000000000efc1ca in FlowDataIpv4Object::Write (this=0x7fdb1801f950, oprot=...) at build/production/sandesh/common/flow_types.cpp:1348
#9 0x0000000000f9424a in SandeshWriter::SendMsg (this=0x7fdb10003be0, sandesh=sandesh@entry=0x7fdb1801f950, more=<optimized out>)
    at tools/sandesh/library/cpp/sandesh_session.cc:114
#10 0x0000000000f951b0 in SandeshSession::SendMsg (this=0x7fdb100075c0, sandesh=0x7fdb1801f950) at tools/sandesh/library/cpp/sandesh_session.cc:367
#11 0x0000000000f71fba in operator() (a0=0x7fdb1801f950, this=0x7fdb8fbfdb40) at /usr/include/boost/function/function_template.hpp:767
#12 RunQueue (this=0x7fdb80003260) at controller/src/base/queue_task.h:81
#13 QueueTaskRunner<Sandesh*, WorkQueue<Sandesh*> >::Run (this=0x7fdb80003260) at controller/src/base/queue_task.h:64
#14 0x000000000101b950 in TaskImpl::execute (this=0x7fdbb674be40) at controller/src/base/task.cc:238
#15 0x00007fdbbdb75b3a in ?? () from /usr/lib/libtbb.so.2
#16 0x00007fdbbdb71816 in ?? () from /usr/lib/libtbb.so.2
#17 0x00007fdbbdb70f4b in ?? () from /usr/lib/libtbb.so.2
#18 0x00007fdbbdb6d0ff in ?? () from /usr/lib/libtbb.so.2
#19 0x00007fdbbdb6d2f9 in ?? () from /usr/lib/libtbb.so.2
#20 0x00007fdbbdd91182 in start_thread (arg=0x7fdb8fbfe700) at pthread_create.c:312
#21 0x00007fdbbd06a47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)

[Praveen (praveen-karadakal)]

Not able to unzip the contrail-vrouter-agent file. Do you have it backed up somewhere?