Beatnik RTEMS4.10.2 vmeTsi148 ISR: ERROR: no handler registered

[Matt Rippa]

It looks like the IRQEntry vector triggering this interrupt was null. I'm
not sure what condition would arise leading to this.
Maybe memory corruption or a bus error.

https://git.rtems.org/rtems/tree/c/src/lib/libbsp/shared/vmeUniverse/vmeTsi148.c?h=4.10.2#n1562

On Thu, Mar 11, 2021 at 2:42 PM Matt Rippa <mrippa at gemini.edu> wrote:

> Hello,
>
> Our Primary Mirror control system has a beatnik bsp running on a mvme6100
> with *RTEMS4.10.2 *and* EPICS 3.14.12.8* (which understandably is not
> actively supported). We've experienced a single event that we've never seen
> before. vmeTsi148 ISR: ERROR: no handler
>
> After this it appears all interrupts were disabled and the VME bus
> communications are down. This system is normally well behaved with
> uptimes measured in months. In 2020 we had an uptime of 301 days!
>
> Has anyone seen an error like this on the beatnik bsp?
>
> 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.
>
> Thanks for any insight.
>
> -Matt Rippa
>
>
> <8/3/2021 8:00:32 hst>pcs-mk-ioc> casr
> <8/3/2021 8:00:33 hst>Channel Access Server V4.13
> <8/3/2021 8:00:33 hst>Connected circuits:
> <8/3/2021 8:00:33 hst>TCP xxxxxxxxxxxxxxxxxxxx, V4.13, 6 Channels,
> Priority=0
> <8/3/2021 8:00:33 hst>TCP xxxxxxxxxxxxxxxxxxxx, V4.13, 134 Channels,
> Priority=80
> <8/3/2021 8:00:33 hst>TCP , V4.13, 1 Channels, Priority=0
> <8/3/2021 8:00:33 hst>TCP , V4.13, 5 Channels, Priority=0
> <8/3/2021 8:00:33 hst>TCP , V4.13, 8 Channels, Priority=0
> <8/3/2021 8:00:33 hst>TCP , V4.13, 60 Channels, Priority=0
> <8/3/2021 8:00:33 hst>TCP , V4.13, 9 Channels, Priority=0
> <8/3/2021 8:00:34 hst>TCP , V4.13, 9 Channels, Priority=0
> <8/3/2021 8:00:34 hst>TCP , V4.13, 71 Channels, Priority=0
> <8/3/2021 8:00:34 hst>TCP , V4.13, 5 Channels, Priority=0
> <8/3/2021 8:00:34 hst>TCP , V4.13, 359 Channels, Priority=20
> <8/3/2021 8:00:34 hst>TCP , 741 Channels, Priority=20
> <8/3/2021 8:00:34 hst>TCP , V4.13, 5 Channels, Priority=20
> <8/3/2021 8:00:34 hst>pcs-mk-ioc> vmeTsi148 ISR: ERROR: no handler
> registered (level 2) IACK 0x00000045 -- DISABLING level 2
> *<8/3/2021 8:05:14 hst>vmeTsi148 ISR: ERROR: no handler registered (level
> 4) IACK 0x00000040 -- DISABLING level 4*
> <8/3/2021 8:34:54 hst>dbScan warning from '.2 second' scan thread:
> <8/3/2021 8:34:54 hst>        Scan processing averages 0.300 seconds
> (0.300 .. 0.300).
> <8/3/2021 8:34:54 hst>        Over-runs have now happened 10 times in a
> row.
> <8/3/2021 8:34:54 hst>        To fix this, move some records to a slower
> scan rate.
> <8/3/2021 8:34:54 hst>
> <8/3/2021 8:35:09 hst>dbScan warning from '.2 second' scan thread:
> <8/3/2021 8:35:09 hst>        Scan processing averages 0.300 seconds
> (0.300 .. 0.300).
> <8/3/2021 8:35:09 hst>        Over-runs have now happened 10 times in a
> row.
> <8/3/2021 8:35:09 hst>        To fix this, move some records to a slower
> scan rate.
> <8/3/2021 8:35:09 hst>
> ...
>
>
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