Unexpected realtime delay on task 0 with period 1000000

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2 years 11 months ago #285418 by Mecanix
Replied by Mecanix on topic Unexpected realtime delay on task 0 with period 1000000
"Ctrl + C" will cancel the ping operation. And yes, of course, replace the example 10.x.x.x with your card IP address. 

$ ping 192.168.1.121
"Ctrl + C" after 2~3min, post packet loss and stats

$ sudo ping -f 192.168.1.121
"Ctrl + C" after 2~3min, post packet loss and stats

 

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2 years 11 months ago #285420 by Muecke
Replied by Muecke on topic Unexpected realtime delay on task 0 with period 1000000
The forum software is driving me crazy.
I don't understand in the manual how I have to set this so that the card speaks to 10.10.10.10.


Quote from the manual:
HARDWARE CONFIGURATION
IP ADDRESS SELECTION
The 7I95 has three options for selecting its IP address. These options are selected
by Jumpers W16 and W17.
Code:
W16 W17 IP ADDRESS DOWN DOWN FIXED 192.168.1.121 (DEFAULT) DOWN UP FIXED FROM EEPROM UP DOWN BOOTP UP UP INVALID


cnc@debian:~$ ping 192.168.1.121
~3min
Code:
cnc@debian:~$ ping 192.168.1.121 PING 192.168.1.121 (192.168.1.121) 56(84) bytes of data. 64 bytes from 192.168.1.121: icmp_seq=1 ttl=64 time=0.221 ms 64 bytes from 192.168.1.121: icmp_seq=2 ttl=64 time=0.209 ms 64 bytes from 192.168.1.121: icmp_seq=3 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=4 ttl=64 time=0.213 ms 64 bytes from 192.168.1.121: icmp_seq=5 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=6 ttl=64 time=0.151 ms 64 bytes from 192.168.1.121: icmp_seq=7 ttl=64 time=0.262 ms 64 bytes from 192.168.1.121: icmp_seq=8 ttl=64 time=0.197 ms 64 bytes from 192.168.1.121: icmp_seq=9 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=10 ttl=64 time=0.106 ms 64 bytes from 192.168.1.121: icmp_seq=11 ttl=64 time=0.165 ms 64 bytes from 192.168.1.121: icmp_seq=12 ttl=64 time=0.204 ms 64 bytes from 192.168.1.121: icmp_seq=13 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=14 ttl=64 time=0.234 ms 64 bytes from 192.168.1.121: icmp_seq=15 ttl=64 time=0.193 ms 64 bytes from 192.168.1.121: icmp_seq=16 ttl=64 time=0.155 ms 64 bytes from 192.168.1.121: icmp_seq=17 ttl=64 time=0.104 ms 64 bytes from 192.168.1.121: icmp_seq=18 ttl=64 time=0.170 ms 64 bytes from 192.168.1.121: icmp_seq=19 ttl=64 time=0.172 ms 64 bytes from 192.168.1.121: icmp_seq=20 ttl=64 time=0.153 ms 64 bytes from 192.168.1.121: icmp_seq=21 ttl=64 time=0.171 ms 64 bytes from 192.168.1.121: icmp_seq=22 ttl=64 time=0.158 ms 64 bytes from 192.168.1.121: icmp_seq=23 ttl=64 time=0.172 ms 64 bytes from 192.168.1.121: icmp_seq=24 ttl=64 time=0.182 ms 64 bytes from 192.168.1.121: icmp_seq=25 ttl=64 time=0.185 ms 64 bytes from 192.168.1.121: icmp_seq=26 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=27 ttl=64 time=0.174 ms 64 bytes from 192.168.1.121: icmp_seq=28 ttl=64 time=0.168 ms 64 bytes from 192.168.1.121: icmp_seq=29 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=30 ttl=64 time=0.245 ms 64 bytes from 192.168.1.121: icmp_seq=31 ttl=64 time=0.167 ms 64 bytes from 192.168.1.121: icmp_seq=32 ttl=64 time=0.196 ms 64 bytes from 192.168.1.121: icmp_seq=33 ttl=64 time=0.152 ms 64 bytes from 192.168.1.121: icmp_seq=34 ttl=64 time=0.170 ms 64 bytes from 192.168.1.121: icmp_seq=35 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=36 ttl=64 time=0.197 ms 64 bytes from 192.168.1.121: icmp_seq=37 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=38 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=39 ttl=64 time=0.157 ms 64 bytes from 192.168.1.121: icmp_seq=40 ttl=64 time=0.137 ms 64 bytes from 192.168.1.121: icmp_seq=41 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=42 ttl=64 time=0.215 ms 64 bytes from 192.168.1.121: icmp_seq=43 ttl=64 time=0.196 ms 64 bytes from 192.168.1.121: icmp_seq=44 ttl=64 time=0.210 ms 64 bytes from 192.168.1.121: icmp_seq=45 ttl=64 time=0.212 ms 64 bytes from 192.168.1.121: icmp_seq=46 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=47 ttl=64 time=0.205 ms 64 bytes from 192.168.1.121: icmp_seq=48 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=49 ttl=64 time=0.204 ms 64 bytes from 192.168.1.121: icmp_seq=50 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=51 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=52 ttl=64 time=0.192 ms 64 bytes from 192.168.1.121: icmp_seq=53 ttl=64 time=0.243 ms 64 bytes from 192.168.1.121: icmp_seq=54 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=55 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=56 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=57 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=58 ttl=64 time=0.208 ms 64 bytes from 192.168.1.121: icmp_seq=59 ttl=64 time=0.212 ms 64 bytes from 192.168.1.121: icmp_seq=60 ttl=64 time=0.209 ms 64 bytes from 192.168.1.121: icmp_seq=61 ttl=64 time=0.222 ms 64 bytes from 192.168.1.121: icmp_seq=62 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=63 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=64 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=65 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=66 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=67 ttl=64 time=0.097 ms 64 bytes from 192.168.1.121: icmp_seq=68 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=69 ttl=64 time=0.213 ms 64 bytes from 192.168.1.121: icmp_seq=70 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=71 ttl=64 time=0.208 ms 64 bytes from 192.168.1.121: icmp_seq=72 ttl=64 time=0.209 ms 64 bytes from 192.168.1.121: icmp_seq=73 ttl=64 time=0.193 ms 64 bytes from 192.168.1.121: icmp_seq=74 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=75 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=76 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=77 ttl=64 time=0.204 ms 64 bytes from 192.168.1.121: icmp_seq=78 ttl=64 time=0.189 ms 64 bytes from 192.168.1.121: icmp_seq=79 ttl=64 time=0.193 ms 64 bytes from 192.168.1.121: icmp_seq=80 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=81 ttl=64 time=0.190 ms 64 bytes from 192.168.1.121: icmp_seq=82 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=83 ttl=64 time=0.090 ms 64 bytes from 192.168.1.121: icmp_seq=84 ttl=64 time=0.153 ms 64 bytes from 192.168.1.121: icmp_seq=85 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=86 ttl=64 time=0.211 ms 64 bytes from 192.168.1.121: icmp_seq=87 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=88 ttl=64 time=0.150 ms 64 bytes from 192.168.1.121: icmp_seq=89 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=90 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=91 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=92 ttl=64 time=0.164 ms 64 bytes from 192.168.1.121: icmp_seq=93 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=94 ttl=64 time=0.229 ms 64 bytes from 192.168.1.121: icmp_seq=95 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=96 ttl=64 time=0.205 ms 64 bytes from 192.168.1.121: icmp_seq=97 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=98 ttl=64 time=0.191 ms 64 bytes from 192.168.1.121: icmp_seq=99 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=100 ttl=64 time=0.093 ms 64 bytes from 192.168.1.121: icmp_seq=101 ttl=64 time=0.185 ms 64 bytes from 192.168.1.121: icmp_seq=102 ttl=64 time=0.163 ms 64 bytes from 192.168.1.121: icmp_seq=103 ttl=64 time=0.157 ms 64 bytes from 192.168.1.121: icmp_seq=104 ttl=64 time=0.152 ms 64 bytes from 192.168.1.121: icmp_seq=105 ttl=64 time=0.144 ms 64 bytes from 192.168.1.121: icmp_seq=106 ttl=64 time=0.144 ms 64 bytes from 192.168.1.121: icmp_seq=107 ttl=64 time=0.097 ms 64 bytes from 192.168.1.121: icmp_seq=108 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=109 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=110 ttl=64 time=0.155 ms 64 bytes from 192.168.1.121: icmp_seq=111 ttl=64 time=0.214 ms 64 bytes from 192.168.1.121: icmp_seq=112 ttl=64 time=0.196 ms 64 bytes from 192.168.1.121: icmp_seq=113 ttl=64 time=0.179 ms 64 bytes from 192.168.1.121: icmp_seq=114 ttl=64 time=0.145 ms 64 bytes from 192.168.1.121: icmp_seq=115 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=116 ttl=64 time=0.111 ms 64 bytes from 192.168.1.121: icmp_seq=117 ttl=64 time=0.152 ms 64 bytes from 192.168.1.121: icmp_seq=118 ttl=64 time=0.129 ms 64 bytes from 192.168.1.121: icmp_seq=119 ttl=64 time=0.165 ms 64 bytes from 192.168.1.121: icmp_seq=120 ttl=64 time=0.111 ms 64 bytes from 192.168.1.121: icmp_seq=121 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=122 ttl=64 time=0.214 ms 64 bytes from 192.168.1.121: icmp_seq=123 ttl=64 time=0.193 ms 64 bytes from 192.168.1.121: icmp_seq=124 ttl=64 time=0.150 ms 64 bytes from 192.168.1.121: icmp_seq=125 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=126 ttl=64 time=0.183 ms 64 bytes from 192.168.1.121: icmp_seq=127 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=128 ttl=64 time=0.199 ms 64 bytes from 192.168.1.121: icmp_seq=129 ttl=64 time=0.223 ms 64 bytes from 192.168.1.121: icmp_seq=130 ttl=64 time=0.187 ms 64 bytes from 192.168.1.121: icmp_seq=131 ttl=64 time=0.205 ms 64 bytes from 192.168.1.121: icmp_seq=132 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=133 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=134 ttl=64 time=0.188 ms 64 bytes from 192.168.1.121: icmp_seq=135 ttl=64 time=0.196 ms 64 bytes from 192.168.1.121: icmp_seq=136 ttl=64 time=0.197 ms 64 bytes from 192.168.1.121: icmp_seq=137 ttl=64 time=0.197 ms 64 bytes from 192.168.1.121: icmp_seq=138 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=139 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=140 ttl=64 time=0.193 ms 64 bytes from 192.168.1.121: icmp_seq=141 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=142 ttl=64 time=0.196 ms 64 bytes from 192.168.1.121: icmp_seq=143 ttl=64 time=0.121 ms 64 bytes from 192.168.1.121: icmp_seq=144 ttl=64 time=0.096 ms 64 bytes from 192.168.1.121: icmp_seq=145 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=146 ttl=64 time=0.226 ms 64 bytes from 192.168.1.121: icmp_seq=147 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=148 ttl=64 time=0.248 ms 64 bytes from 192.168.1.121: icmp_seq=149 ttl=64 time=0.192 ms 64 bytes from 192.168.1.121: icmp_seq=150 ttl=64 time=0.211 ms 64 bytes from 192.168.1.121: icmp_seq=151 ttl=64 time=0.148 ms 64 bytes from 192.168.1.121: icmp_seq=152 ttl=64 time=0.185 ms 64 bytes from 192.168.1.121: icmp_seq=153 ttl=64 time=0.156 ms 64 bytes from 192.168.1.121: icmp_seq=154 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=155 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=156 ttl=64 time=0.201 ms 64 bytes from 192.168.1.121: icmp_seq=157 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=158 ttl=64 time=0.180 ms 64 bytes from 192.168.1.121: icmp_seq=159 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=160 ttl=64 time=0.198 ms 64 bytes from 192.168.1.121: icmp_seq=161 ttl=64 time=0.288 ms 64 bytes from 192.168.1.121: icmp_seq=162 ttl=64 time=0.147 ms 64 bytes from 192.168.1.121: icmp_seq=163 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=164 ttl=64 time=0.195 ms 64 bytes from 192.168.1.121: icmp_seq=165 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=166 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=167 ttl=64 time=0.206 ms 64 bytes from 192.168.1.121: icmp_seq=168 ttl=64 time=0.202 ms 64 bytes from 192.168.1.121: icmp_seq=169 ttl=64 time=0.134 ms 64 bytes from 192.168.1.121: icmp_seq=170 ttl=64 time=0.219 ms 64 bytes from 192.168.1.121: icmp_seq=171 ttl=64 time=0.177 ms 64 bytes from 192.168.1.121: icmp_seq=172 ttl=64 time=0.210 ms 64 bytes from 192.168.1.121: icmp_seq=173 ttl=64 time=0.200 ms 64 bytes from 192.168.1.121: icmp_seq=174 ttl=64 time=0.183 ms 64 bytes from 192.168.1.121: icmp_seq=175 ttl=64 time=0.203 ms 64 bytes from 192.168.1.121: icmp_seq=176 ttl=64 time=0.191 ms 64 bytes from 192.168.1.121: icmp_seq=177 ttl=64 time=0.211 ms 64 bytes from 192.168.1.121: icmp_seq=178 ttl=64 time=0.191 ms 64 bytes from 192.168.1.121: icmp_seq=179 ttl=64 time=0.207 ms 64 bytes from 192.168.1.121: icmp_seq=180 ttl=64 time=0.192 ms 64 bytes from 192.168.1.121: icmp_seq=181 ttl=64 time=0.130 ms 64 bytes from 192.168.1.121: icmp_seq=182 ttl=64 time=0.164 ms 64 bytes from 192.168.1.121: icmp_seq=183 ttl=64 time=0.194 ms 64 bytes from 192.168.1.121: icmp_seq=184 ttl=64 time=0.172 ms ^C --- 192.168.1.121 ping statistics --- 184 packets transmitted, 184 received, 0% packet loss, time 187359ms rtt min/avg/max/mdev = 0.090/0.188/0.288/0.031 ms cnc@debian:~$

$ sudo ping -f 192.168.1.121
~3min
Code:
cnc@debian:~$ sudo ping -f 192.168.1.121 [sudo] Passwort für cnc: PING 192.168.1.121 (192.168.1.121) 56(84) bytes of data. .^ --- 192.168.1.121 ping statistics --- 6098672 packets transmitted, 6098672 received, 0% packet loss, time 419243ms rtt min/avg/max/mdev = 0.048/0.055/3.612/0.008 ms, ipg/ewma 0.068/0.061 ms cnc@debian:~$

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2 years 11 months ago #285421 by Muecke
Replied by Muecke on topic Unexpected realtime delay on task 0 with period 1000000
The forum software is driving me crazy.

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2 years 11 months ago #285422 by Mecanix
Replied by Mecanix on topic Unexpected realtime delay on task 0 with period 1000000
That looks beyond perfection. Can't see what else could prevent you from running Lcnc.

Side note. In my case, and to resolve the start-up and occasional random "Unexpected realtime delay on task 0 with period 1000000", and other follow errors (!), I had to upgrade my decade old ghetto 10/100 hub to a fast switch and also upgraded old cat5 to double-shielded Cat6 grade ethernet cabling.

That, along with the GRUB_CMDLINE_LINUX_DEFAULT="quiet, isolcpus=2,3" tweak solved the random low latency and packet losses. Never had a realtime delay after that.

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2 years 11 months ago #285424 by Muecke
Replied by Muecke on topic Unexpected realtime delay on task 0 with period 1000000
That's a good tip about the cable. I'll have to see what I use there. I think it's all shielded.

I didn't understand that, do I need to raise or lower it?
""... Unexpected realtime delay on task 0 with period 1000000 ...""""

"" This and the change of ""
I have LinuxCNC open right now and I don't get any errors for several minutes, I'm happy.
Hope it stays that way.


DANKE

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2 years 11 months ago #285425 by Muecke
Replied by Muecke on topic Unexpected realtime delay on task 0 with period 1000000
I hope I'll remember all this if, for whatever reason, I have to set up the machine again.

Attachment not found

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2 years 11 months ago #285426 by Mecanix
Replied by Mecanix on topic Unexpected realtime delay on task 0 with period 1000000
Another useful one to keep track of thread(s) performance and/or debug. Run cmd below while Linuxcnc is running to peek into various delays.

$ halcmd show param *.tmax

All the best to you and Have Fun!

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