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  • PCW
  • PCW's Avatar
20 Aug 2024 16:16

qtplasmac (Operation Error: hm2/hm2_7i76e.0:) in middle of cut

Category: Plasmac

Possibly the executable path is different for root so ethtool is not found unless you use sudo

so maybe try:

sudo ethtool -c enp0s25

to see if IRQ coalescing is disabled
  • RMJ fabrication
  • RMJ fabrication
20 Aug 2024 15:39

qtplasmac (Operation Error: hm2/hm2_7i76e.0:) in middle of cut

Category: Plasmac

I dont think IRQ coalescing is disabled I still get the error every time. How do I disable IRQ coalescing permanently?
   
  • acondit
  • acondit
20 Aug 2024 15:36
Replied by acondit on topic Converting a 7i76e config to 7c81/7i76 pair

Converting a 7i76e config to 7c81/7i76 pair

Category: General LinuxCNC Questions

No, just incorrect reading of the name of the driver.

I guess the correct load line should read:
loadrt hm2_rpspi config="num_encoders=0 num_pwmgens=0 num_stepgens=3 sserial_port_0=0xxxxx"

Thanks.
  • PCW
  • PCW's Avatar
20 Aug 2024 15:18
  • acondit
  • acondit
20 Aug 2024 14:03
Replied by acondit on topic Converting a 7i76e config to 7c81/7i76 pair

Converting a 7i76e config to 7c81/7i76 pair

Category: General LinuxCNC Questions

I did:
sudo mesaflash --device 7c81 --spi --addr /dev/spidev0.0 --write 7c81_7i76x2d.bit
and
sudo mesaflash --device 7c81 --spi --addr /dev/spidev0.0 --reload
when I tried to run linuxcnc I got an error about no hm2_rspi.so found.
How do I make sure hm2_rspi is on my system?
  • PCW
  • PCW's Avatar
20 Aug 2024 02:48

Converting a 7i76e config to 7c81/7i76 pair

Category: General LinuxCNC Questions

That should about do it as long as you have 7C81+7I76 firmware installed on the 7C81
  • acondit
  • acondit
20 Aug 2024 01:44 - 20 Aug 2024 01:47
Replied by acondit on topic Converting a 7i76e config to 7c81/7i76 pair

Converting a 7i76e config to 7c81/7i76 pair

Category: General LinuxCNC Questions

After about a year, I am back to trying to get this to work. I have updated to Bookworm.
I enable spi in config.
I have been able to talk to the 7c81/7i76 with mesaflash.
I edited my 7i76e hal file replacing 7i76e with 7c81.
When I tried to start linuxcnc I got an error associated with this line:
loadrt hm2_eth board_ip="10.10.10.10" config="num_encoders=0 num_pwmgens=0 num_stepgens=3 sserial_port_0=0xxxxx"
I assume I need to replace hm2_eth with hm2_rspi and take out the board_ip="10.10.10.10"
Anything else I need to do?
Thanks in advance,
Alan
  • CNCFred
  • CNCFred's Avatar
18 Aug 2024 19:15

Plasmac2QTplasma gives error not a Plasmac configuration /solved

Category: Plasmac

Thank you for you kind reply and offer, no worries , the error is on my side not being up to date, you are all busy enough.

I had a 7i76e.pncconf file which I was able to open with pncconf and my settings were there at least seems ok for the default machine.

I was using a xbox controller, a two button crane control with emergency stop and the laser was with a M7 command- button set to the mist hal output.

I will read the documentation and hopefully get all working with the qtplasmac machine setup again.
I assume the additional config is the same, custom hal etc.

thank you
Roman

 
  • PCW
  • PCW's Avatar
18 Aug 2024 17:57
Replied by PCW on topic Getting an error on starting a machine

Getting an error on starting a machine

Category: General LinuxCNC Questions

The lack of yellow (100BT) LED illuminated the RJ45
suggests a problem with the 7I76E Ethernet interface
or the host Ethernet interface.

I would try a known working  Ethernet connection, and if you
do not get both Green (activity) and Yellow (100BT) LEDs
illuminated on the 7I76E RJ45 connection, I would return the
7I76E  for warranty repair. Note that especially for plasma systems
it's important to ground the frame ground connection on the 7I76E.
  • PCW
  • PCW's Avatar
18 Aug 2024 16:15
Replied by PCW on topic Getting an error on starting a machine

Getting an error on starting a machine

Category: General LinuxCNC Questions

Can you check if get any LEDs illuminated on the 7I76E RJ45 connector
with the Ethernet cable unplugged?
 
  • PCW
  • PCW's Avatar
18 Aug 2024 15:20
Replied by PCW on topic Getting an error on starting a machine

Getting an error on starting a machine

Category: General LinuxCNC Questions

Could be cabling problem but the "ip a" report shows
the link as up,  could also a be a host PC issue, or be a
7I76E issue.

What do the LEDs on the 7I76E RJ45 connector show?

 
  • PCW
  • PCW's Avatar
18 Aug 2024 14:44
Replied by PCW on topic Getting an error on starting a machine

Getting an error on starting a machine

Category: General LinuxCNC Questions

You would need to

ping 10.10.10.10

To check connectivity to the 7I76E
 
  • PCW
  • PCW's Avatar
18 Aug 2024 13:39
Replied by PCW on topic Getting an error on starting a machine

Getting an error on starting a machine

Category: General LinuxCNC Questions

That error means there is no communication with the 7I76E
what does the command

ip a

report?
  • __Tom
  • __Tom
18 Aug 2024 13:01

Getting an error on starting a machine

Category: General LinuxCNC Questions

Hello, hope someone of you can help me.I have 2 machines defined on one mesa 7i76e card a mill and a plasma cutter. Both was working well until an error came up. In the most cases an reboot of hard and software fixed all the troubles I had so far. But this one seams to be different. On rebooting on both of the machines I get the same error (please see the attached file) Hopefully I have no hardware damage.Thanks for your afford in advance. BR. Tom 
  • PCW
  • PCW's Avatar
16 Aug 2024 18:27

qtplasmac (Operation Error: hm2/hm2_7i76e.0:) in middle of cut

Category: Plasmac

That should do it (until you reboot)

you can verify with

ethtool -c enp0s25

You might retry the ping test
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