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Hi, In
my B2BUA running on a Linux, during load testing, the application eventually crashes with a segmentation
fault or sometimes get stuck with 99.9% CPU usage as shown in the top command. I cannot
yet describe a pattern as to when the problem occurs as I have seen sometimes
happening after 7000 calls, sometimes after 10,000 calls or sometimes after 12,000 calls. Also
the time when the problem occurs is not consistent. Sometimes it happens During Regisration while
sometimes during a call. The
test case that runs repeatedly is Register->200OKàINVITEà100trying,
180 ringingà200
OK
àBYEàACK. Using
valgrind slows the system immensely and I cannot keep the system in load test. I tried running with a gdb
and the trace is captured below when the problem occurred. This time, my application
was trying to send out a BYE using a dum instance. Can someone help me in
identifying what could potentially be causing such an issue ? The B2BUA is multithreaded
with various threads ( fMD_dumThread ) being one such Thread for the dum
interface. 0 0x00000061 in ?? () #1 0xb745d66b in
resip::ParserCategory::clear() (this=0x902a290) at stl_iterator.h:593 #2 0xb745d840 in
~ParserCategory (this=0x902a290) at ParserCategory.cxx:105 #3 0xb75013e7 in ~Via
(this=0x902a290) at Data.hxx:215 #4 0xb74b8f5b in
~ParserContainer (this=0xaf01f570) at stl_iterator.h:593 #5 0xb743b53c in
~HeaderFieldValueList (this=0xaf01f558) at HeaderFieldValueList.cxx:23 #6 0xb74a478d in
resip::SipMessage::cleanUp() (this=0xaec870d8) at SipMessage.cxx:167 #7 0xb74a43e9 in
~SipMessage (this=0xaec870d8) at SipMessage.cxx:133 #8 0xb733b0ee in
~ServerInviteSession (this=0xaec86648) at SdpContents.hxx:520 #9 0xb72e451d in
resip::DestroyUsage::destroy() (this=0xaf4ba978) at DestroyUsage.cxx:99 #10 0xb73086e4 in resip::DialogUsageManager::internalProcess(std::auto_ptr<resip::Message>)
(this=0x84df268, msg=
{_M_ptr = 0xaf4ba978}) at DialogUsageManager.cxx:935 #11 0xb730b4cc in
resip::DialogUsageManager::process() (this=0x84df268) at memory:346 #12 0x0807e8f9 in fMD_DumThread(void*)
() #13 0xb7289dac in
start_thread () from /lib/tls/libpthread.so.0 #14 0xb71499ea in clone () from /lib/tls/libc.so.6 -regards Asheesh. |