Experimental Physics and
Industrial Control System

Andrew Johnson via Core-talk <[email protected]> · Tue, 15 Oct 2019 14:54:37 -0000

** Changed in: epics-base
       Status: Incomplete => Invalid

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https://bugs.launchpad.net/bugs/541330

Title:
  'assert (size <= ntohs ( pMsg->m_postsize ))' failed in ..caserverio.c
  line 344

Status in EPICS Base:
  Invalid

Bug description:
  From Chen Zhi-chu,

  I've written an ioc (using TekVISA from Tektronix on a DPO7054 Oscilloscope, Windows XP) and it starts okay at first. But when it runs for like several minutes, I got an error like:
  ============================================================== 
  A call to "assert (size <= ntohs ( pMsg->m_postsize ))" failed in ..caserverio.
  c line 344.
  EPICS Release EPICS R3.14.5 $R3-14-5$ $2004/02/04 20:45:33$.
  Current time Fri Sep 07 2007 09:49:29.518463915 .
  Please E-mail this message to the author or to [email protected]
  Calling epicsThreadSuspendSelf()
  ==============================================================
  then it stunks. I suppose that the cas_commit_msg function checks the pMsg->m_postsize and finds out it's larger than size. But I don't know how these variables come from.

  I'm sorry I'm just new to EPICS and have few experiences about C
  programming. Could any of you give me a clue that what's happening
  now? Any input is welcome.

  Original Mantis Bug: mantis-300
      http://www.aps.anl.gov/epics/mantis/view_bug_page.php?f_id=300

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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System