qtdragon error opening linuxcnc.var

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20 Apr 2023 04:38 #269466 by rodw
I'm trying to migrate to qtdragon-hd on a working axis  on Bullseye Initially set up 12 months ago. 
I did an sudo apt upgrade to get the current version of Bullseye and then 
upgraded 2.9  using the debs on the hidden buildbot in training... All went well and the qtdragon sims work perfect.

So this morning, I worked through the qtdragon install and finally get the GUI to open after commenting out a few custom pins I used in an axis side panel. BUt on openingit displays this error:
mill2@mill2:~/linuxcnc/configs/VMNmillQT$ linuxcnc -l
LINUXCNC - 2.9.0-pre1-683-g5585d6c36
Machine configuration directory is '/home/mill2/linuxcnc/configs/VMNmillQT'
Machine configuration file is 'VMNmillQT.ini'
Starting LinuxCNC...
linuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmod
Note: Using POSIX realtime
Found file(REL): ./VMNmillQT.hal
qt.qpa.xcb: QXcbConnection: XCB error: 5 (BadAtom), sequence: 2062, resource id: 0, major code: 20 (GetProperty), minor code: 0
[QTvcp.QTVCP.WIDGETS.ORIGIN_OFFSETVIEW][ERROR]  File does not exist: /home/mill2/linuxcnc/VMNmillQT/linuxcnc.var (origin_offsetview.py:301)
[QTvcp][CRITICAL]  Aborted from Error Dialog
 Qtvcp encountered an error.  The following information may be useful in troubleshooting:
LinuxCNC Version  : 2.9.0-pre1-683-g5585d6c36

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/qtvcp/widgets/origin_offsetview.py", line 383, in periodic_check
    self.reload_offsets()
  File "/usr/lib/python3/dist-packages/qtvcp/widgets/origin_offsetview.py", line 232, in reload_offsets
    temp[STATUS.stat.g5x_index-1] = STATUS.stat.g5x_offset
TypeError: 'tuple' object does not support item assignment

 (qtvcp:465)
[QTvcp.QTVCP.WIDGETS.ORIGIN_OFFSETVIEW][ERROR]  File does not exist: /home/mill2/linuxcnc/VMNmillQT/linuxcnc.var (origin_offsetview.py:301)
/usr/bin/linuxcnc: line 977: 24340 Segmentation fault      $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS
Shutting down and cleaning up LinuxCNC...
Running HAL shutdown script
task: 3895 cycles, min=0.000035, max=0.018058, avg=0.005082, 0 latency excursions (> 10x expected cycle time of 0.005000s)
vfdmod: close request received.
iov2: exiting
vfdmod: application closed.
Note: Using POSIX realtime
LinuxCNC terminated with an error.  You can find more information in the log:
    /home/mill2/linuxcnc_debug.txt
and

It seems like its failing due to a missing .var file but I have tried a few different file names to ensurethe file exists. How can I get past this road block?

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20 Apr 2023 05:08 #269470 by cmorley
Could you post your config files?

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20 Apr 2023 05:29 #269471 by rodw
Try this. I think I got it all. First cut with the full folder was too big
 

File Attachment:

File Name: VMNmillQT.zip
File Size:12 KB
Attachments:

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20 Apr 2023 20:55 #269516 by cmorley
Could you run using
DISPLAY = qtvcp -d qtdragon_hd
and post the terminal

I can't replicate the obvious error. Maybe that can give me more info.
The following user(s) said Thank You: rodw

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20 Apr 2023 22:37 #269527 by cmorley
ok it seems to be the absolute path to the var file.
can you change it to a relative to the config folder path and see what happens.
PARAMETER_FILE = /home/mill2/linuxcnc/VMNmillQT/linuxcnc.var
to
PARAMETER_FILE = linuxcnc.var

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20 Apr 2023 23:52 #269532 by rodw
Chris,thanks for this. I'll check over the weekend. Looks like the monitor failed yesterday so I can't check for a while.

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22 Apr 2023 03:42 #269591 by rodw

ok it seems to be the absolute path to the var file.
can you change it to a relative to the config folder path and see what happens.
PARAMETER_FILE = /home/mill2/linuxcnc/VMNmillQT/linuxcnc.var
to
PARAMETER_FILE = linuxcnc.var

Chris, That was it thanks! We have movement and a Modbus spindle (RPM not properly scaled yet, but we'll get there...)

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22 Apr 2023 04:13 #269594 by cmorley
Ok great. I'll look into why that was a problem in the future.

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