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Home Forum Getting LinuxCNC Installing LinuxCNC Error in startup script: can't read "varval":

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TOPIC: Error in startup script: can't read "varval":

Re:Error in startup script: can't read "varval": 26 Jun 2012 04:30 #21355

Hi ArcEye,
thank you for your effort!

I downloaded the tar-file and executed following sequence of commands:
./configure --enable-run-in-place
make
sudo make setuid
. ./scripts/rip-environment
linuxcnc

--> it is still the same result:
LD [M]  /home/cnc/emc2_5_0/src/wcomp.ko
  CC      /home/cnc/emc2_5_0/src/weighted_sum.mod.o
  LD [M]  /home/cnc/emc2_5_0/src/weighted_sum.ko
  CC      /home/cnc/emc2_5_0/src/xor2.mod.o
  LD [M]  /home/cnc/emc2_5_0/src/xor2.ko
make[1]: Verlasse Verzeichnis '/usr/src/linux-headers-2.6.32-122-rtai'
cp Module.symvers *.ko ../rtlib/
Updating 'whatis' database
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man verarbeiten ...
Indexcache des Pfades »/home/cnc/emc2_5_0/docs/man/man1« wird aktualisiert. Bitte warten .../usr/bin/mandb: Warnung: /home/cnc/emc2_5_0/docs/man/man1/linuxcnc.1.in: fehlerhafter Dateiname wird ignoriert
fertig.
Handbuchseiten ohne »cat«-Dateien in /home/cnc/emc2_5_0/docs/man werden gesucht ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat3 verarbeiten ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat9 verarbeiten ...
Handbuchseiten unter /home/cnc/emc2_5_0/docs/man/cat1 verarbeiten ...
3 Handbuchverzeichnisse enthielten neuere Handbuchseiten.
225 Handbuchseiten wurden hinzugefügt.
0 Handbuchseiten ohne »cat«-Dateien wurden hinzugefügt.
0 alte Datenbankeinträge wurden entfernt.
You now need to run 'sudo make setuid' in order to run in place.
make: Verlasse Verzeichnis '/home/cnc/emc2_5_0/src'
cnc@cnc-VM:~/emc2_5_0/src$ sudo make setuid
[sudo] password for cnc: 
make: Gehe in Verzeichnis '/home/cnc/emc2_5_0/src'
chown root ../bin/linuxcnc_module_helper
chmod 4750 ../bin/linuxcnc_module_helper
chown root ../bin/pci_write
chmod 4750 ../bin/pci_write
chown root ../bin/pci_read
chmod 4750 ../bin/pci_read
make: Verlasse Verzeichnis '/home/cnc/emc2_5_0/src'
cnc@cnc-VM:~/emc2_5_0/src$ cd ..
cnc@cnc-VM:~/emc2_5_0$ . scripts/rip-environment
rip-environment     rip-environment.in  
cnc@cnc-VM:~/emc2_5_0$ . scripts/rip-environment
cnc@cnc-VM:~/emc2_5_0$ linuxcnc
LINUXCNC - 2.5.0
Error in startup script: can't read "varval": no such variable
    while executing
"return $varval"
    (procedure "getVal" line 8)
    invoked from within
"getVal $rcstring PICKCONFIG LAST_CONFIG "
    (procedure "initialize_config" line 15)
    invoked from within
"initialize_config"
    invoked from within
"set last_ini [initialize_config]"
    (file "/home/cnc/emc2_5_0/tcl/bin/pickconfig.tcl" line 204)
cnc@cnc-VM:~/emc2_5_0$

I could imagine two (or three) reasons:
- there is a problem with the installed tcl-version or with an other package
- I am running it in a virtual machine - perhaps I should test it on a real machine
- I am a little bit stupid ;)

Best Regards,

Andy
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Re:Error in startup script: can't read "varval": 26 Jun 2012 04:43 #21357

  • ArcEye
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Hi
I could imagine two (or three) reasons:
- there is a problem with the installed tcl-version or with an other package
I doubt that configure would finish if the python / tk /tcl packages were not right
- I am running it in a virtual machine - perhaps I should test it on a real machine
That is more likely - looks like it cannot find the configs for whatever reason
- I am a little bit stupid
Doesn't seem likely, you got this far!:)

regards
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Re:Error in startup script: can't read 26 Jun 2012 04:53 #21359

ArcEye wrote:
- I am a little bit stupid
Doesn't seem likely, you got this far!:)

Thank you :silly:

Ok, I will try it on my real CNC PC.
What do you mean, should I remove the preinstalled LinuxCNC packages (from the Ubuntu LiveCd installation) first?

Best Regards,

Andy
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Re:Error in startup script: can't read 26 Jun 2012 05:28 #21361

  • ArcEye
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......should I remove the preinstalled LinuxCNC packages (from the Ubuntu LiveCd installation) first?
No, the whole point of a RIP build is that you can have as many as you like without interfering with the installed version.
I think I have 5 now, with the test build I did just now of 2.5.

regards
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Re:Error in startup script: can't read 26 Jun 2012 07:28 #21364

Hi ArcEye,
I have just tested it on my real PC - and it is working fine! :cheer:

I am wondering, why it is not running on my virtual machine - but I don't want to waste more time for it...

Thank you very much for your support!
I wish you a nice week!

Best Regards,

Andy
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Re:Error in startup script: can't read 05 Sep 2012 17:55 #23954

  • PCW
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One cause of this I found is a empty .linuxcncrc file (so no preferred config)
deleting (the empty) .linuxcncrc cures the problem
Last Edit: 05 Sep 2012 17:56 by PCW.
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