LinuxCNC often freezes hard on (Not released) RTAI 4.14.132
12 Aug 2019 10:17 #141959
by pl7i92
LinuxCNC often freezes hard on RTAI 4.14.132 was created by pl7i92
hi
welcome
is there a USB connected or a parport not well icolated
this can be a reason
please try unplug the mouse and replug it if it is responding
welcome
is there a USB connected or a parport not well icolated
this can be a reason
please try unplug the mouse and replug it if it is responding
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13 Aug 2019 09:52 #142019
by neller
Replied by neller on topic LinuxCNC often freezes hard on RTAI 4.14.132
Thank you for your advice, but keyboard and lpt isn't a reason now. I tryed to replug it, but freezes still happens. I noticed freezes appears only when I launch LinuxCNC, Latency-test or close them. I think the reason related with RTAI kernel. Can you please say me how to investigate the issue? Thank you.
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13 Aug 2019 11:08 #142024
by andypugh
Replied by andypugh on topic LinuxCNC often freezes hard on RTAI 4.14.132
Where did you get 4.14.132 from?
Does the latency test also freeze?
How about the RTAI testsuite?
Does the latency test also freeze?
How about the RTAI testsuite?
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13 Aug 2019 13:36 #142025
by neller
Replied by neller on topic LinuxCNC often freezes hard on RTAI 4.14.132
1. Using guides on github.com/andypugh/RTAI/releases and wiki.linuxcnc.org/cgi-bin/wiki.pl?Building_RTAI_5.2_Packages
2. Yes, when I start latency-test the PC often freezes, only reboot can solve the problem.
3.How to use testsuite?
Thank you!
2. Yes, when I start latency-test the PC often freezes, only reboot can solve the problem.
3.How to use testsuite?
Thank you!
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13 Aug 2019 15:12 #142031
by pl7i92
Replied by pl7i92 on topic LinuxCNC often freezes hard on RTAI 4.14.132
just to be shure
latencytest is startet without Linuxcnc running
and also te oposit
no latency test while linuxcnc is running
if you got a Stepper mashine to be configured you migt not need at all latency test most reson pc got below 100k
and 100k is the standard timing for steppers
if you use mesa ethernet also no need of latency check
But it is alway good to know here the hint of the pc is
latencytest is startet without Linuxcnc running
and also te oposit
no latency test while linuxcnc is running
if you got a Stepper mashine to be configured you migt not need at all latency test most reson pc got below 100k
and 100k is the standard timing for steppers
if you use mesa ethernet also no need of latency check
But it is alway good to know here the hint of the pc is
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13 Aug 2019 15:22 #142033
by tommylight
Replied by tommylight on topic LinuxCNC often freezes hard on RTAI 4.14.132
Just a stab in the dark, but, check :
Old / failing power supply.
Overheating processor / cooler not seated properly or no thermal compound on it.
Failing memory / memory controller on the board.
Less likely, graphic card Ram failing.
Old / failing power supply.
Overheating processor / cooler not seated properly or no thermal compound on it.
Failing memory / memory controller on the board.
Less likely, graphic card Ram failing.
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13 Aug 2019 17:36 #142054
by andypugh
Replied by andypugh on topic LinuxCNC often freezes hard on RTAI 4.14.132
This might be the RTAI build. The reason I made those builds on GitHub was that the other builds I tried all crashed. After a lot of config changes we finally got a setup that worked on my test hardware, and some others and that is what was published (specifically so potential problems could be found).
The RTAI testsuite is (I think) in /usr/realtime/kern/testsuite (some path like that, I am not on an RTAI machine at the moment, I am in a hotel room with a Mac). You need to run the "display" executable with sudo privileges.
The RTAI testsuite is (I think) in /usr/realtime/kern/testsuite (some path like that, I am not on an RTAI machine at the moment, I am in a hotel room with a Mac). You need to run the "display" executable with sudo privileges.
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15 Aug 2019 22:10 - 15 Aug 2019 23:53 #142290
by Bari
Replied by Bari on topic LinuxCNC often freezes hard on RTAI 4.14.132
Don't use the no-calibration branch and those debs are broken. NTU was not done when Andy built those.
The working branch is here, only use master:
github.com/NTULINUX/RTAI
After the no-calibration branch is fixed then Andy may go ahead and rebuild based on his fork. If you want stable.
The working branch is here, only use master:
github.com/NTULINUX/RTAI
After the no-calibration branch is fixed then Andy may go ahead and rebuild based on his fork. If you want stable.
Last edit: 15 Aug 2019 23:53 by Bari.
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08 Oct 2019 01:31 #147403
by Bari
Replied by Bari on topic LinuxCNC often freezes hard on RTAI 4.14.132
No-calibration branch is fixed. Please resume testing.
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13 Jul 2020 20:43 #174536
by neller
Replied by neller on topic LinuxCNC often freezes hard on RTAI 4.14.132
I also have this issue on 4.14.148 (no-calibration branch). In kern.log i found this line "^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@" (while freeze happed). Where can I find more messages?
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