<div dir="ltr"><div class="gmail_default" style="font-size:small">It looks like the IRQEntry vector triggering this interrupt was null. I'm not sure what condition would arise leading to this.<br>Maybe memory corruption or a bus error.</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small"><a href="https://git.rtems.org/rtems/tree/c/src/lib/libbsp/shared/vmeUniverse/vmeTsi148.c?h=4.10.2#n1562">https://git.rtems.org/rtems/tree/c/src/lib/libbsp/shared/vmeUniverse/vmeTsi148.c?h=4.10.2#n1562</a><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 11, 2021 at 2:42 PM Matt Rippa <<a href="mailto:mrippa@gemini.edu">mrippa@gemini.edu</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Hello,<br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Our Primary Mirror control system has a beatnik bsp running on a mvme6100 with <b>RTEMS4.10.2 </b>and<b> EPICS 3.14.12.8</b> (which understandably is not actively supported). We've experienced a single event that we've never seen before. </span></span><font color="#ff0000">vmeTsi148 ISR: ERROR: no handler </font></div><div class="gmail_default" style="font-size:small"><font color="#ff0000"><br></font></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">After this it appears all interrupts were disabled and the VME bus communications are down. </span></span><span style="color:rgb(0,0,0);font-family:monospace">This system is normally well behaved with uptimes measured in months. In 2020 we had an uptime of 301 days!</span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Has anyone seen an error like this on the beatnik bsp?</span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Subsequent to the error which corresponds closely with a casr command, we see dbScan warnings in our logs. These persisted several times per minute until the system was reboot.</span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">Thanks for any insight.</span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)">-Matt Rippa </span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><br></span></span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><8/3/2021 8:00:32 hst>pcs-mk-ioc> casr
</span><br><8/3/2021 8:00:33 hst>Channel Access Server V4.13
<br><8/3/2021 8:00:33 hst>Connected circuits:
<br><8/3/2021 8:00:33 hst>TCP xxxxxxxxxxxxxxxxxxxx, V4.13, 6 Channels, Priority=0
<br><8/3/2021 8:00:33 hst>TCP </span>xxxxxxxxxxxxxxxxxxxx<span style="font-family:monospace">, V4.13, 134 Channels, Priority=80</span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><8/3/2021 8:00:33 hst>TCP , V4.13, 1 Channels, Priority=0
<br><8/3/2021 8:00:33 hst>TCP , V4.13, 5 Channels, Priority=0
<br><8/3/2021 8:00:33 hst>TCP , V4.13, 8 Channels, Priority=0
<br><8/3/2021 8:00:33 hst>TCP , V4.13, 60 Channels, Priority=0
<br><8/3/2021 8:00:33 hst>TCP , V4.13, 9 Channels, Priority=0
<br><8/3/2021 8:00:34 hst>TCP , V4.13, 9 Channels, Priority=0
<br><8/3/2021 8:00:34 hst>TCP , V4.13, 71 Channels, Priority=0
<br><8/3/2021 8:00:34 hst>TCP , V4.13, 5 Channels, Priority=0
<br><8/3/2021 8:00:34 hst>TCP , V4.13, 359 Channels, Priority=20
<br><8/3/2021 8:00:34 hst>TCP , 741 Channels, Priority=20
<br><8/3/2021 8:00:34 hst>TCP , V4.13, 5 Channels, Priority=20
<br><font color="#ff0000"><8/3/2021 8:00:34 hst>pcs-mk-ioc> vmeTsi148 ISR: ERROR: no handler registered (level 2) IACK 0x00000045 -- DISABLING level 2
</font><br><font color="#ff0000"><b><8/3/2021 8:05:14 hst>vmeTsi148 ISR: ERROR: no handler registered (level 4) IACK 0x00000040 -- DISABLING level 4</b><br></font>
</span><span style="font-family:monospace"><span style="color:rgb(0,0,0)"><8/3/2021 8:34:54 hst>dbScan warning from '.2 second' scan thread:
</span><br><8/3/2021 8:34:54 hst> Scan processing averages 0.300 seconds (0.300 .. 0.300).
<br><8/3/2021 8:34:54 hst> Over-runs have now happened 10 times in a row.
<br><8/3/2021 8:34:54 hst> To fix this, move some records to a slower scan rate.
<br><8/3/2021 8:34:54 hst>
<br><8/3/2021 8:35:09 hst>dbScan warning from '.2 second' scan thread:
<br><8/3/2021 8:35:09 hst> Scan processing averages 0.300 seconds (0.300 .. 0.300).
<br><8/3/2021 8:35:09 hst> Over-runs have now happened 10 times in a row.
<br><8/3/2021 8:35:09 hst> To fix this, move some records to a slower scan rate.
<br><8/3/2021 8:35:09 hst><br>
...</span></div><div class="gmail_default" style="font-size:small"><span style="font-family:monospace"><br></span></div></div>
</blockquote></div>