PHD2 dev4 crashes during dither
Roger Nichol
Logs are at https://openphdguiding.org/logs/dl/PHD2_logs_UYSi.zip
I am running NINA (nightly build 1.11 #45).
Is this a known problem ?
I will try going back to dev 3 where I had not experienced this, also had better guiding.
Thanks
Roger
bw_msgboard
Hi Roger, sorry you’re having trouble. The logs show you are running into a known problem with NINA, one in which NINA is trying to do a dither when the system is still settling from a previous operation. I thought they had fixed this but I don’t know the details. You can read the discussion in this thread:
https://groups.google.com/g/open-phd-guiding/c/EMWTXmQdiak/m/14T3kSgYBAAJ
Just scroll down to the 3rd message from the end (you’ll have to ignore all the sidebar comments that don’t deal directly with the problem)
That said, we haven’t seen this problem cause a “crash” as you describe it, and I don’t know what exception you’re seeing – can you describe the message and what app is generating it? I don’t think it’s coming from PHD2 but we should confirm that. If you can look at the Windows event log on your system, we can probably get more information. Just do a Windows search on ‘event’ and then start the Event Viewer app. Once it gets done grinding through the internal logs, open up the ‘Windows Logs’ folder at the left then look at the ‘Application’ logs. See if you can find logged events for PHD2 or NINA during times when you saw an exception message. For the logs you sent, this happened around 02:31 on 2/25. If you can find any, you can do a ‘Copy’ operation (under ‘Action’) and then paste all the details into a simple text file and send that to us. I don’t think going back to the PHD2 dev3 release is going to help you because this isn’t a PHD2 problem and we haven’t changed anything in this area of the code. I suspect it has more to do with the NINA release you’re using.
Regards,
Bruce
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Roger Nichol
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bw_msgboard
You say you screen-captured the error message – where is it? Can we see it? If you are running a version of NINA that doesn’t generate the warning messages about dithering, you will probably also do well with the dev4 release.
To view this discussion on the web visit https://groups.google.com/d/msgid/open-phd-guiding/536932613.625712.1614386519728%40mail.yahoo.com.
Roger Nichol
the error message is inline below. I ran for the last 2 nights using dev 3 and did not see a recurrence, although last night I had an issue where guiding stopped during a 1200s sub, and when I investigated, PHD2 was no longer connected to the camera or mount. I reconnected and started guiding again manually, disconnected guiding from NINA and reconnected it and it continued without issue until dawn. On the night of the 26th I was using dev 3 with NINA 1.11 #045. Last night (27th) I rand dev 3 with NINA 1.11 #049
Tonight I will be imaging again (what an amazing run of clear nights in the UK!) and will go back to dev 4.
Drivers are all up to date.
Powered from an AC-DC supply through a Pegasus Pocket Advance.
USB cables all minimal length on the equipment.
Regards,
bw_msgboard
Ok, thanks. Can you now look for the Windows event log entries that I described earlier so we can get more detail on where this error occurred? The problem you described for last night sounds like there’s something amiss with the USB system – probably not something as simple as a cable. Are your temperatures lower than normal? Can you also post your logs from last night so we can see what PHD2 logged for these disconnections – we never just disconnect cameras or mounts without logging what’s going on.
Thanks,
Roger Nichol
Just got this at the exact same point as when things stopped last night.
The events leading this are: Switching from one panel of a mosaic to another based on a time of switch-over (21:50). NINA did a slew, centre/plate solve, autofocus and start guiding with calibration. It also did a dither at the same time, which is somewhat superfluous. This is the exact sequence of events that happened last night. PHD2 had disconnected from the equipment. I manually connected it, started looping, chose star and started guiding. I then had to disconnect and reconnect the guider in NINA, then all ran OK.
The sequence is shown at the end of the email.
One PHD event of interest at 23:22 on 27/2/21.
One NINA issue at 00:09 on 23/2/21.
Neither of these seem to correlate with the timing of the issues I saw.
I'll take a look at when I had to do the manual restart last night and see if there is anything interesting around that time.
The conditions last night were benign, above freezing, from 7C at 7PM to perhaps 1C at the coldest.
USB is always a likely cause of issues, when I was starting out with this I found I had to disconnect and reconnect the USB to get them to re-enumerate, but this seems generally stable now that I'm not having to mess around with it.
My guiding has been somewhat erratic in the last couple of weeks, I used to typically get 0.4" to - 0.6", now mostly 0.6" to 0.8" or worse. I've checked backlash today, there doesn't appear to be any detectable. It could be as I'd set the EQ6-R mount tripod to a high position to get some low targets over some trees. I've now had the trees cut back so tonight will put it back at it's lowest position and see if that helps. Stars are nice and round though.
Regards,
Ok, thanks. Can you now look for the Windows event log entries that I described earlier so we can get more detail on where this error occurred? The problem you described for last night sounds like there’s something amiss with the USB system – probably not something as simple as a cable. Are your temperatures lower than normal? Can you also post your logs from last night so we can see what PHD2 logged for these disconnections – we never just disconnect cameras or mounts without logging what’s going on.
Thanks,
Bruce
From: 'Roger
Nichol' via Open PHD Guiding [mailto: open-phd...@googlegroups.com ]
Sent: Sunday, February 28, 2021
2:11 AM
To: open-phd...@googlegroups.com
Subject: Re: [open-phd-guiding]
PHD2 dev4 crashes during dither
Hi Bruce,
the error message is inline below. I ran for the last 2 nights
using dev 3 and did not see a recurrence, although last night I had an issue
where guiding stopped during a 1200s sub, and when I investigated, PHD2 was no
longer connected to the camera or mount. I reconnected and started
guiding again manually, disconnected guiding from NINA and reconnected it and
it continued without issue until dawn. On the night of the 26th I
was using dev 3 with NINA 1.11 #045. Last night (27th) I rand dev 3 with NINA
1.11 #049
Tonight I will be imaging again (what an amazing run of clear nights in the UK !) and will go back to dev 4.