Schaublin 125-CNC retrofit.

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19 Nov 2021 07:52 #226958 by RotarySMP
Thanks Andy, Sorry I didn't get to try that yesterday, as I would out visiting a very helpful viewer who did the trouble shooting of my damaged 7i84. I'll try this this evening.

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20 Nov 2021 09:38 #227061 by RotarySMP
When I run the "start" I get hm2/hm2_7i92.0: watchhdog has bit! (set the .has-bit to False to resume)

But hm2_7i92.0.watchdog.has-bit is set to false when I show pins.
When I run the command
setp hm2_7i92.0.watchhdog.has_bit false
it returns
hm2/hm2_7i92.0:error recovery successful!
hm2/hm2_7i92.0: watchhdog has bit! (set the .has-bit to False to resume)

and  the watchdog led stays lit.

Next I tried creating a config with PNFConf, and then deleted everything but the set up, (see attached HAL). This loads, but then I get the "watchdog has bit" as a Gmoccapy pop up meesage straight away.
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20 Nov 2021 09:49 - 20 Nov 2021 09:50 #227063 by RotarySMP
Could this just be a latency problem? I know the latency of this HP Elitedesk G2 minipc is currently horrible, and needs to be addressed. This is with everything switched off on the bios, but I have not yet tried isolating Cpus.
 

Mark
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Last edit: 20 Nov 2021 09:50 by RotarySMP.

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20 Nov 2021 10:04 #227065 by tommylight
Looks that it is a latency issue, horrible does not do justice to explain that result! :)
Does it have hyperthreading?

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20 Nov 2021 10:06 #227067 by RotarySMP
Thanks Tommy, it has a Core i3 with hyperthreading, but I have that turned off.


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20 Nov 2021 10:08 #227068 by tommylight
Can you disable UEFI and secure boot?
That may require reinstalling the OS.
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20 Nov 2021 10:21 #227071 by RotarySMP
Yep, look like I need to reinstall the OS. Just doing it now.

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20 Nov 2021 10:24 #227072 by RotarySMP
Darn, now I get the CD-ROM could not be mounted. I remember I had issues like this on the Mini lathe PC, but cant remember how to fix it.

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20 Nov 2021 11:53 #227077 by tommylight
Remove the USB, insert the USB, click next/continue.
That is something i read here several times, never happened to me though.
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20 Nov 2021 13:20 #227080 by andypugh
It looks like you have 6ms of latency.

The hostmot2 manpage says:
(u32 read/write) timeout_ns
Watchdog timeout, in nanoseconds. This is initialized to 5,000,000 (5 milliseconds) at module load time. If more than this amount of time passes between calls to the hm2 write() function, the watchdog will bite.

So that all fits.

For experimenting on the bench you could set timeout_ns higher, until the watchdog stops biting, but when it comes to running the machine it needs to be sorted out.
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