Re: runtime error

[Pierrick M Hanlet via Tech-talk <tech-talk at aps.anl.gov>]

Thanks to Han, Mark, and Andrew. Han helped me find my error. 

Best wishes, Pierrick 

Sent via the Samsung Galaxy S20 FE 5G, an AT&T 5G smartphone
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From: Tech-talk <tech-talk-bounces at aps.anl.gov> on behalf of Pierrick M Hanlet via Tech-talk <tech-talk at aps.anl.gov>
Sent: Wednesday, December 11, 2024 3:17:51 PM
To: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: runtime error

 

[EXTERNAL] – This message is from an external sender

Greetings all,
For several days now, I've been attempting to debug a runtime error:

iocInit()
Starting iocInit
############################################################################
## EPICS R7.0.7
## Rev. R7.0.7-dirty
## Rev. Date Git: 2022-09-07 13:50:35 -0500
############################################################################
iocRun: All initialization complete
c++ error: No (specified) network interface(s) available.
On line 206 of ../../src/server/serverContext.cpp
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libpvAccess.so.7.1.6(_ZN5epics6pvData6detail14ExceptionMixedINS0_13BaseExceptionEEC2IPKcEET_S7_i+0xbb)
[0x7f5839c9bb4b]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libpvAccess.so.7.1.6(+0x8b3b6)
[0x7f5839c5d3b6]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libpvAccess.so.7.1.6(_ZN5epics8pvAccess13ServerContext6createERKNS1_6ConfigE+0x274)
[0x7f5839cf5c24]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libpvAccessIOC.so.7.1.6(+0x57ba)
[0x7f5839d807ba]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libpvAccessIOC.so.7.1.6(+0x5f10)
[0x7f5839d80f10]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libCom.so.3.22.0(initHookAnnounce+0x79)
[0x7f583975e119]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libdbCore.so.3.22.0(iocRun+0x70)
[0x7f5839865e00]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libdbCore.so.3.22.0(iocInit+0x25)
[0x7f5839865ea5]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libdbCore.so.3.22.0(+0x5f349)
[0x7f5839866349]
/home/hanlet/epicsDEV/base/lib/linux-x86_64/libCom.so.3.22.0(+0x341c5)
[0x7f583975d1c5]
../../bin/linux-x86_64/myTestMove(main+0x12) [0x406dd2]
/lib64/libc.so.6(+0x295d0) [0x7f58390295d0]
/lib64/libc.so.6(__libc_start_main+0x80) [0x7f5839029680]
../../bin/linux-x86_64/myTestMove(_start+0x25) [0x406e25]

We're on Alma Linux 9, base 7.0.7 (as shown above), using C++20. This is
a stripped down IOC which doesn't even load a database.
It stems from serverContext.cpp in the "introspect network interfaces"
section of the code.

Any help would be greatly appreciated,
Pierrick

--
Pierrick Hanlet
Fermi National Accelerator
Accelerator Front End Controls
+1-630-840-5555 -- lab
+1-312-687-4980 -- mobile

"Whether you think you can or think you can't, you're right" -- Henry Ford