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Mesa 7i96s not connecting
1 year 1 week ago #336788
by Meleon
Mesa 7i96s not connecting was created by Meleon
let me start by saying Hi and I am very new to linux and linuxcnc.
I've been trying to 2 days to get mesa mesa 7i96s to connect to linuxcnc.
I am running debian 13 Xfce and I have kernel-vers -v: #1 SMP PREEMPT_RT Debian 6.12.48-1 (2025-09-20)
I have wired connection 1 Ipv4 set to manual and address set to 10.10.10.11 (routes set to use this connection only for resources on its network)
On the 7i96s I have the jumper set for eeprom.
I can ping the card at 10.10.10.10 and it appears to respond (yellow power led and green users leds lit)
but when I to launch my config file I get red led's on cr6 and cr7
and linuxcnc shuts down and gives this debugging
Note: Using POSIX realtime
hm2_eth: rtapi_app_main: Resource temporarily unavailable (-11)
./7i96s.hal:9: waitpid failed /usr/bin/rtapi_app hm2_eth
./7i96s.hal:9: /usr/bin/rtapi_app exited without becoming ready
./7i96s.hal:9: insmod for hm2_eth failed, returned -1
1868
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime
I am not sure what I am missing...
I've been trying to 2 days to get mesa mesa 7i96s to connect to linuxcnc.
I am running debian 13 Xfce and I have kernel-vers -v: #1 SMP PREEMPT_RT Debian 6.12.48-1 (2025-09-20)
I have wired connection 1 Ipv4 set to manual and address set to 10.10.10.11 (routes set to use this connection only for resources on its network)
On the 7i96s I have the jumper set for eeprom.
I can ping the card at 10.10.10.10 and it appears to respond (yellow power led and green users leds lit)
but when I to launch my config file I get red led's on cr6 and cr7
and linuxcnc shuts down and gives this debugging
Note: Using POSIX realtime
hm2_eth: rtapi_app_main: Resource temporarily unavailable (-11)
./7i96s.hal:9: waitpid failed /usr/bin/rtapi_app hm2_eth
./7i96s.hal:9: /usr/bin/rtapi_app exited without becoming ready
./7i96s.hal:9: insmod for hm2_eth failed, returned -1
1868
Stopping realtime threads
Unloading hal components
Note: Using POSIX realtime
I am not sure what I am missing...
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1 year 1 week ago #336789
by PCW
Replied by PCW on topic Mesa 7i96s not connecting
if you get CR7 (/DONE) illuminated at any time after initial power on,
you likely have a marginal 5V supply. (CR7 is only illuminated during a
power on reset)
you likely have a marginal 5V supply. (CR7 is only illuminated during a
power on reset)
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1 year 1 week ago #336790
by tommylight
Replied by tommylight on topic Mesa 7i96s not connecting
What does
ip a
in a terminal return?
Also, did you set the IP to 10.10.10.10 in the wizard? By default it is at 192.168.1.121
ip a
in a terminal return?
Also, did you set the IP to 10.10.10.10 in the wizard? By default it is at 192.168.1.121
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1 year 1 week ago #336791
by Meleon
Replied by Meleon on topic Mesa 7i96s not connecting
In the Pncconf wizard? yes I changed it to 10.10.10.10
ip a returns
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 90:b1:1c:8d:36:5f brd ff:ff:ff:ff:ff:ff
altname enp0s25
altname enx90b11c8d365f
inet 10.10.10.11/8 brd 10.255.255.255 scope global noprefixroute eno1
valid_lft forever preferred_lft forever
inet6 fe80::147c:8a67:beeb:e22a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
ip a returns
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 90:b1:1c:8d:36:5f brd ff:ff:ff:ff:ff:ff
altname enp0s25
altname enx90b11c8d365f
inet 10.10.10.11/8 brd 10.255.255.255 scope global noprefixroute eno1
valid_lft forever preferred_lft forever
inet6 fe80::147c:8a67:beeb:e22a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
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1 year 1 week ago #336793
by Meleon
Replied by Meleon on topic Mesa 7i96s not connecting
Thst is possible I suppose. I am using a charging block and a modified usb cable to provide power. its measuring 5.1 volts but I can't figure out how many amps.
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1 year 1 week ago #336796
by PCW
Replied by PCW on topic Mesa 7i96s not connecting
As I mentioned before, If you ever see CR7 illuminated it means power failure.
Power failure on a 7I96S means the 3.3V supply has dropped below about 3V.
This in turn means that the 5V power has dropped below about 4V (even for a few ms)
Power failure on a 7I96S means the 3.3V supply has dropped below about 3V.
This in turn means that the 5V power has dropped below about 4V (even for a few ms)
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1 year 1 week ago #336797
by Meleon
Replied by Meleon on topic Mesa 7i96s not connecting
I'll see if I can find a better power supply
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1 year 1 week ago #336815
by rodw
Replied by rodw on topic Mesa 7i96s not connecting
Use a Meanwell power supply. Say a MDR-15-5 which is 2.4 amps
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1 year 1 week ago #336837
by Meleon
Replied by Meleon on topic Mesa 7i96s not connecting
I am borrowing an Altech din rail PSD-1505 from work for testing, (5 volt 12 watt 2.4 amp)
If that solves my problem I'll order the Meanwell.
Thanks for your help so far guys!
If that solves my problem I'll order the Meanwell.
Thanks for your help so far guys!
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1 year 1 week ago #336856
by Meleon
Replied by Meleon on topic Mesa 7i96s not connecting
Ok new power supply hooked up. I am now able to connect to linuxcnc! Onward and upward (at least until the next hurdle)
Thanks so much everyone.
Thanks so much everyone.
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