Running SIM in VM for QTPlasmaC

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22 Jan 2023 20:59 #262676 by Doug @ Design8Studio.com
I'm a newbie with Linux. How does one boot to a non-rt kernel?

I'm trying to get a VM testing setup working. I got Linux Buster installed in a VM, using LinuxCNC ISO for 2.8, and then I updated LinuxCNC from 2.8 to 2.10 to match my live, working setup.

Whenever I try to run a SIM version of QTPlasmaC, I get all kinds of errors, shown below.

File Attachment:


File Attachment:


Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/qt5_graphics.py", line 763, in initializeGL
    self.object = self.makeObject()
  File "/usr/lib/python3/dist-packages/qt5_graphics.py", line 1120, in makeObject
    genList = GL.glGenLists(1)
  File "/usr/lib/python3/dist-packages/OpenGL/platform/baseplatform.py", line 402, in __call__
    return self( *args, **named )
  File "/usr/lib/python3/dist-packages/OpenGL/error.py", line 232, in glCheckError
    baseOperation = baseOperation,
OpenGL.error.GLError: GLError(
    err = 1280,
    description = b'invalid enumerant',
    baseOperation = glGenLists,
    cArguments = (1,),
    result = 1
)

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22 Jan 2023 21:48 #262679 by Doug @ Design8Studio.com
In various bouts of googling, I found the following:

unix.stackexchange.com/questions/644173/...nel-in-my-debian-box

And ran this in terminal:
sudo apt install linux-image-amd64 linux-headers-amd64

Which seems to have succeeded, resulting in this announcement:

Warning: os-prober will be executed to detect other bootable partitions.
Its output will be used to detect bootable binaries on them and create new boot entries.
done
Setting up linux-image-amd64 (4.19+105+deb10u18)  

The page also mentioned going for nvidia-drivers, but without details and I don't know if I need that or not, and my effort to get it failed, and I rebooted and chose (in advanced options) a non-rt kernel, and I still cannot open the QTPlasmaC SIM, in the VM. Below is the error report on it:

 
Error report created by /usr/lib/tcltk/linuxcnc/show_errors.tcl: Print file information:RUN_IN_PLACE=noLINUXCNC_DIR=LINUXCNC_BIN_DIR=/usr/binLINUXCNC_TCL_DIR=/usr/lib/tcltk/linuxcncLINUXCNC_SCRIPT_DIR=LINUXCNC_RTLIB_DIR=/usr/lib/linuxcnc/modulesLINUXCNC_CONFIG_DIR=LINUXCNC_LANG_DIR=/usr/lib/tcltk/linuxcnc/msgsINIVAR=inivarHALCMD=halcmdLINUXCNC_EMCSH=/usr/bin/wish8.6LINUXCNC - 2.10.0-pre0-647-g4e47d1ee7Machine configuration directory is '/home/doug/linuxcnc/configs/sim.qtplasmac'Machine configuration file is 'qtplasmac_l_imperial.ini.expanded'INIFILE=/home/doug/linuxcnc/configs/sim.qtplasmac/qtplasmac_l_imperial.ini.expandedVERSION=1.1PARAMETER_FILE=imperial_parameters.txtTPMOD=HOMEMOD=TASK=milltaskHALUI=haluiDISPLAY=qtvcp qtplasmacCOORDINATES=XYYZKINEMATICS=trivkins coordinates=xyyzStarting LinuxCNC...Starting LinuxCNC server program: linuxcncsvrLoading Real Time OS, RTAPI, and HAL_LIB modulesStarting LinuxCNC IO program: ioStarting HAL User Interface program: haluilinuxcnc TPMOD=tpmod HOMEMOD=homemod EMCMOT=motmodtwopass:invoked with <> optionstwopass:found ./sim_no_stepgen.tcltwopass:found /usr/share/linuxcnc/hallib/qtplasmac_comp.haltwopass:found ./custom.halStarting TASK program: milltaskStarting DISPLAY program: qtvcpShutting down and cleaning up LinuxCNC...task: 1434 cycles, min=0.000005, max=0.013331, avg=0.009971, 0 latency excursions (> 10x expected cycle time of 0.010000s) identityKinematicsSetup: coordinates:xyyz   Joint 0 ==> Axis X   Joint 1 ==> Axis Y   Joint 2 ==> Axis Y   Joint 3 ==> Axis ZidentityKinematicsSetup: Recommend: kinstype=both Removing HAL_LIB, RTAPI, and Real Time OS modulesRemoving NML shared memory segments Debug file information:Can not find -sec DISPLAY -var INTRO_GRAPHIC -num 1 Can not find -sec DISPLAY -var INTRO_TIME -num 1 Note: Using POSIX non-realtime[QTvcp][#[41mCRITICAL#[0m]  Aborted from Error Dialog Qtvcp encountered an error.  The following information may be useful in troubleshooting:LinuxCNC Version  : 2.10.0-pre0-647-g4e47d1ee7 Traceback (most recent call last):  File "/usr/lib/python3/dist-packages/qt5_graphics.py", line 763, in initializeGL    self.object = self.makeObject()  File "/usr/lib/python3/dist-packages/qt5_graphics.py", line 1120, in makeObject    genList = GL.glGenLists(1)  File "/usr/lib/python3/dist-packages/OpenGL/platform/baseplatform.py", line 402, in __call__    return self( *args, **named )  File "/usr/lib/python3/dist-packages/OpenGL/error.py", line 232, in glCheckError    baseOperation = baseOperation,OpenGL.error.GLError: GLError(err = 1280,description = b'invalid enumerant',baseOperation = glGenLists,cArguments = (1,),result = 1)  (qtvcp:503)/usr/bin/linuxcnc: line 968:  1581 Segmentation fault      $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS15471578Stopping realtime threadsUnloading hal componentsNote: Using POSIX non-realtime   -----------------------------------------------------------------------Info report created by linuxcnc_info:The file:    /tmp/linuxcnc_info.txtcan be posted to a forum or a web site like:     http://pastebin.comin order to provide information about the linuxcncsystem and configuration.                 Date: Sun 22 Jan 2023 04:47:20 PM EST            UTC Date: Sun 22 Jan 2023 09:47:20 PM UTC        this program: /usr/bin/linuxcnc_info              uptime: 16:47:20 up 3 min, 1 user, load average: 0.02, 0.04, 0.01     lsb_release -sa: Debian Debian GNU/Linux 10 (buster) 10 buster            linuxcnc: /usr/bin/linuxcnc                 pwd: /home/doug/linuxcnc/configs/sim.qtplasmac                USER: doug             LOGNAME: doug                HOME: /home/doug              EDITOR:               VISUAL:             LANGUAGE:                 TERM: dumb           COLORTERM:              DISPLAY: :0.0             DESKTOP: lightdm-xsession        display size: 1440x900 pixels (381x238 millimeters)                PATH: /usr/bin:/home/doug/linuxcnc/configs/sim.qtplasmac/bin:/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games uname items:         nodename -n: LinuxCNC-VM      kernel-name -s: Linux      kernel-vers -v: #1 SMP Debian 4.19.269-1 (2022-12-20)          machine -m: x86_64        processor -p: unknown         platform -i: unknown      oper system -o: GNU/Linux /proc items:             cmdline: BOOT_IMAGE=/vmlinuz-4.19.0-23-amd64 root=/dev/mapper/LinuxCNC--VM--vg-root ro initrd=/install/gtk/initrd.gz quiet          model name: Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz               cores: 2             cpu MHz: 2793.532             parport:               serial:  Versions:                 gcc: gcc (Debian 8.3.0-6) 8.3.0              python: Python 3.7.3                 git: not_in_PATH          git commit: NA                 tcl: 8.6                  tk: 8.6               glade: not_in_PATH linuxcnc_var all:      LINUXCNCVERSION: 2.10.0-pre0-647-g4e47d1ee7LINUXCNC_AUX_GLADEVCP: /usr/share/linuxcnc/aux_gladevcpLINUXCNC_AUX_EXAMPLES: /usr/share/linuxcnc/aux_examples            REALTIME: /usr/lib/linuxcnc/realtime                 RTS: uspace          HALLIB_DIR: /usr/share/linuxcnc/hallib              PYTHON: /usr/bin/python3 dpkg -l '*linuxcnc*':Desired=Unknown/Install/Remove/Purge/Hold| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)||/ Name                Version                      Architecture Description+++-===================-============================-============-=====================================================================un  linuxcnc            <none>                       <none>       (no description available)un  linuxcnc-dev        <none>                       <none>       (no description available)un  linuxcnc-doc        <none>                       <none>       (no description available)ii  linuxcnc-doc-en     1:2.10.0~pre0.647.g4e47d1ee7 all          motion controller for CNC machines and robots (English documentation)ii  linuxcnc-doc-es     1:2.10.0~pre0.647.g4e47d1ee7 all          controlador de movimiento para máquinas CNC y robots (Español).ii  linuxcnc-doc-fr     1:2.10.0~pre0.647.g4e47d1ee7 all          motion controller for CNC machines and robots (French documentation)un  linuxcnc-sim        <none>                       <none>       (no description available)un  linuxcnc-sim-dev    <none>                       <none>       (no description available)ii  linuxcnc-uspace     1:2.10.0~pre0.647.g4e47d1ee7 amd64        motion controller for CNC machines and robotsii  linuxcnc-uspace-dev 1:2.10.0~pre0.647.g4e47d1ee7 amd64        PC based motion controller for real-time Linux

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22 Jan 2023 21:51 #262680 by Doug @ Design8Studio.com
Error report as attachment
Attachments:

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22 Jan 2023 23:31 - 22 Jan 2023 23:32 #262687 by snowgoer540
I'm by no means a Linux expert, but I'm not sure I understand why you've chosen a non-realtime kernel?  I am pretty sure it is necessary for the works to... work.  I am on MX19.4, but my VM uses the rt kernel:

mx:~ $ uname -a
Linux mx 4.19.0-23-rt-amd64 #1 SMP PREEMPT RT Debian 4.19.269-1 (2022-12-20) x86_64 GNU/Linux
 

I'd start by installing the realtime kernel and see if that helps your situation.
Last edit: 22 Jan 2023 23:32 by snowgoer540.

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22 Jan 2023 23:41 #262688 by phillc54
Have you updated Linux with sudo apt update then sudo apt upgrade.
A sim "should" run fine on a vanilla kernel.
My VmWare Buster VM runs fine with the latest master from the buildbot.

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23 Jan 2023 00:39 - 23 Jan 2023 00:40 #262690 by Doug @ Design8Studio.com
re: “ I'm not sure I understand why you've chosen a non-realtime kernel?”

I tried the real-time kernel first and that did not work. I read in another discussion thread here someone saying that when they switched to a non-real-time kernel that LinuxCNC switched and operated in Simulation mode.
Last edit: 23 Jan 2023 00:40 by Doug @ Design8Studio.com.

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23 Jan 2023 00:44 #262691 by Doug @ Design8Studio.com

Have you updated Linux with sudo apt update then sudo apt upgrade.
A sim "should" run fine on a vanilla kernel.
My VmWare Buster VM runs fine with the latest master from the buildbot.

I installed via the ISO (getting 2.8 on Buster on real-time kernel) then added repos to upgrade to 2.10. I started LinuxCNC and chose a SIM mode. Got no success. Tried switching from default GUI to Cinnamon and back. Then tried switching to a non-real-time kernel and back. 

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23 Jan 2023 00:48 #262692 by phillc54
That will only upgrade LinuxCNC, you should also upgrade Linux from a terminal.

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23 Jan 2023 00:54 #262693 by Doug @ Design8Studio.com

That will only upgrade LinuxCNC, you should also upgrade Linux from a terminal.

ok will give that a go. 

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23 Jan 2023 04:15 - 23 Jan 2023 04:17 #262705 by Doug @ Design8Studio.com
OK, well I updated Linux with sudo apt update then sudo apt upgrade.
I still have no functioning QTPlasma SIM.
Based on the mention of OpenGL in the error, my best uneducated guess is this is a graphics issue.
In Parallels I have the VM's graphics set with 3D acceleration enabled and "Always use high performance graphics" check marked.

OpenGL.error.GLError: GLError(err = 1280,description = b'invalid enumerant',baseOperation = glGenLists,cArguments = (1,),result = 1) 
Last edit: 23 Jan 2023 04:17 by Doug @ Design8Studio.com.

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