Experimental Physics and Industrial Control System
Hello,
we run a php script using the epics php module with the command line
tool under gdb on a Redhat 9.0-3 machine with kernel 2.4.20-9.
A segmentation fault shows up periodically and here is what we get with
the bt command under gdb :
#0 0xffffe002 in ?? ()
#1 0x402d984e in epicsEventWait (pevent=0x0)
at ../../../src/libCom/osi/os/posix/osdEvent.c:75
#2 0x402d3d3e in epicsEvent::wait() (this=0xfffffffc)
at ../../../src/libCom/osi/epicsEvent.cpp:63
#3 0x40322dfd in tcpSendThread::run() (this=0x81e6d30) at ../tcpiiu.cpp:85
#4 0x402d2118 in epicsThreadCallEntryPoint (pPvt=0x81e6d34)
at ../../../src/libCom/osi/epicsThread.cpp:59
#5 0x402d8e2f in start_routine (arg=0x81ecd28)
at ../../../src/libCom/osi/os/posix/osdThread.c:301
#6 0x400222b6 in start_thread () from /lib/tls/libpthread.so.0
It seems that there is a problem with the thread primitives but we did
not manage to know what was going on.
Do you have any idea ?
Thanks
Christophe
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