Experimental Physics and
Industrial Control System

Torsten Bögershausen via Core-talk <core-talk at aps.anl.gov> · Thu, 15 Dec 2022 05:57:29 +0100

Hej Michael,
I am not sure, what is going on:

$ find . -type f -name libpvxs* | xargs file
./lib/python3.7/site-packages/pvxslibs/lib/libpvxs.so:     ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=fb7ba08c0db385deef78ba0dd1114b8e2d1c5183, not stripped
./lib/python3.7/site-packages/pvxslibs/lib/libpvxs.so.1.1: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, BuildID[sha1]=fb7ba08c0db385deef78ba0dd1114b8e2d1c5183, not stripped
===========================================
And the dump in the log file:
2022-12-15T05:37:37.695799013 DEBUG pvxs.client.io UDP search Rx 53 from 192.168.209.75:43759
2022-12-15T05:37:37.695808594 DEBUG pvxs.client.io Search reply for IOC:m1.CNEN
2022-12-15T05:37:37.695814768 DEBUG pvxs.client.io Server 192.168.209.75:5075 creating channel 'IOC:m1.CNEN' (305419897)
2022-12-15T05:37:37.695820391 DEBUG pvxs.client.io UDP search processed 1/40
0000 : CA024007 09000000  
2022-12-15T05:37:37.739627299 DEBUG pvxs.tcp.io Server 192.168.209.75:5075 Receive header
2022-12-15T05:37:37.739653998 DEBUG pvxs.client.io Server 192.168.209.75:5075 active channel to 'IOC:m1.CNEN' 305419897:302003202
2022-12-15T05:37:37.739664504 DEBUG pvxs.client.io Server 192.168.209.75:5075 channel 'IOC:m1.CNEN' op0a INIT
0000 : CA02400A 3E000000  
2022-12-15T05:37:37.739864291 DEBUG pvxs.tcp.io Server 192.168.209.75:5075 Receive header
2022-12-15T05:37:37.739970136 CRIT pvxs.tcp.io Server Error while processing cmd 0x0a: vector::_M_range_check
Dumping a stack trace of thread 'PVXCTCP':
[    0x7fb706845b6b]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../epicscorelibs/lib/libCom.so.7.0.7.99.0(epicsStackTrace+0x4b)
[    0x7fb706b324b5]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/libpvxs.so.1.1(_ZN4pvxs6detail11_log_printfEjPKcz+0xa5)
[    0x7fb706af4cf6]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/libpvxs.so.1.1(_ZN4pvxs4impl8ConnBase7bevReadEv+0x696)
[    0x7fb706af5031]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/libpvxs.so.1.1(_ZN4pvxs4impl8ConnBase8bevReadSEP11buffereventPv+0x21)
[    0x7fb706465432]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/./libevent_core.so.2.2.0(bufferevent_run_deferred_callbacks_locked+0x82)
[    0x7fb70645edb6]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/./libevent_core.so.2.2.0(event_process_active_single_queue.isra.33+0x446)
[    0x7fb70645f75f]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/./libevent_core.so.2.2.0(event_base_loop+0x49f)
[    0x7fb706b68e00]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../pvxslibs/lib/libpvxs.so.1.1(_ZN4pvxs4impl6evbase3Pvt3runEv+0x160)
[    0x7fb70685ef69]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../epicscorelibs/lib/libCom.so.7.0.7.99.0(epicsThreadCallEntryPoint+0x69)
[    0x7fb70684a8da]: .../ethercatmc/test/motionTest/venvpython3.7/lib/python3.7/site-packages/p4p/../epicscorelibs/lib/libCom.so.7.0.7.99.0(start_routine+0xda)
[    0x7fb7093d2fa3]: /lib/x86_64-linux-gnu/libpthread.so.0(start_thread+0xf3)
[    0x7fb70911a06f]: /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)
2022-12-15T05:37:37.742282270 DEBUG pvxs.client.io Server 192.168.209.75:5075 detach channel 'IOC:m1.RBV' to re-search
2022-12-15T05:37:37.742290971 DEBUG pvxs.client.io Server 192.168.209.75:5075 detach channel 'IOC:m1.CNEN' to re-search
2022-12-15T05:37:37.742293949 DEBUG pvxs.client.io Cleaning connection to 192.168.209.75:5075
2022-12-15T05:37:38.699371065 DEBUG pvxs.client.io Search tick 2
0000 : CA028003 00000050 66696E64 00000000
0010 : 00000000 00000000 00000000 00000000
0020 : CE6D0103 74637000 03123456 790B494F
0030 : 433A6D31 2E434E45 4E123456 780A494F

Thanks
/Torsten

> On 14 Dec 2022, at 23:14, Michael Davidsaver <mdavidsaver at gmail.com> wrote:
> 
> On 12/14/22 09:14, Torsten Bögershausen wrote:
>>> Can you collect a packet capture?
>> There is even a packet trace, done on the Mac.
>> Don't be confuse about the IP-addresses, its all on localhost.
>> See the run from this morning:
>> ls -1 2022-12-14-1*
>> 2022-12-14-1038.pcapng
>> 2022-12-14-1038.txt
> 
> From the packet capture, I find a message decoding bug.
> 
> https://github.com/mdavidsaver/pvxs/issues/32
> 
> I'm uploading pvxslibs==1.1.1a1 which should
> include a fix.  Please re-test.
> 
> https://pypi.org/project/pvxslibs/1.1.1a1/
> 

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System