Lapic error causing real time to stop.

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17 Jan 2016 15:11 #68587 by Ozcnc
I would like to find out if there is a way to identify errors around Lapic.

A error would show something like this:

TIMER NAME: lapic; VARIOUSLY FOUND APIC FREQs: 20833247, 20833247, 20794250

Thanks,
Oz

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17 Jan 2016 15:26 - 17 Jan 2016 15:29 #68590 by ArcEye
If this does not give you the answer, you need to come back with some proper information, not just an unexplained snippet from dmesg.

wiki.linuxcnc.org/cgi-bin/wiki.pl?Troubl..._t_run_missing_lapic

regards

( Which kernel, which distro, which version Linuxcnc, what computer, full dmesg output, full Linuxcnc error output etc etc )
Last edit: 17 Jan 2016 15:29 by ArcEye.

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17 Jan 2016 16:08 #68591 by Ozcnc
So Sorry,
Let me try again,

I'm using Debian 2.7.0.

Intel P35 with a Mesa 5i25

dmesg :
[ 2250.577484] I-pipe: head domain RTAI registered.
[ 2250.577490] RTAI[hal]: compiled with gcc version 4.7.2 (Debian 4.7.2-5) .
[ 2250.577518] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[ 2250.577522] SYSINFO: CPUs 2, LINUX APIC IRQ 2312, TIM_FREQ 20833247, CLK_FREQ 3000135000, CPU_FREQ 3000135000
[ 2250.577525] RTAI_APIC_TIMER_IPI: RTAI DEFINED 2314, VECTOR 2314; LINUX_APIC_TIMER_IPI: RTAI DEFINED 2312, VECTOR 2312
[ 2250.577527] TIMER NAME: lapic; VARIOUSLY FOUND APIC FREQs: 20833247, 20833247, 20802000
[ 2250.583519] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[ 2250.583542] , <uses LINUX SYSCALLs>, kstacks pool size = 524288 bytes.
[ 2250.583546] RTAI[sched]: hard timer type/freq = APIC/20833247(Hz); default timing: oneshot; linear timed lists.
[ 2250.583550] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 3000135000 hz.
[ 2250.583552] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[ 2250.587582] RTAI[math]: loaded.
[ 2250.736289] hm2: loading Mesa HostMot2 driver version 0.15
[ 2250.737988] hm2_pci: loading Mesa AnyIO HostMot2 driver version 0.7
[ 2250.738026] hm2_pci: discovered 5i25 at 0000:04:00.0
[ 2250.739354] hm2/hm2_5i25.0: 34 I/O Pins used:
[ 2250.739357] hm2/hm2_5i25.0: IO Pin 000 (P3-01): IOPort
[ 2250.739359] hm2/hm2_5i25.0: IO Pin 001 (P3-14): IOPort
[ 2250.739362] hm2/hm2_5i25.0: IO Pin 002 (P3-02): StepGen #0, pin Direction (Output)
[ 2250.739365] hm2/hm2_5i25.0: IO Pin 003 (P3-15): IOPort
[ 2250.739367] hm2/hm2_5i25.0: IO Pin 004 (P3-03): StepGen #0, pin Step (Output)
[ 2250.739369] hm2/hm2_5i25.0: IO Pin 005 (P3-16): IOPort
[ 2250.739372] hm2/hm2_5i25.0: IO Pin 006 (P3-04): StepGen #1, pin Direction (Output)
[ 2250.739374] hm2/hm2_5i25.0: IO Pin 007 (P3-17): IOPort
[ 2250.739376] hm2/hm2_5i25.0: IO Pin 008 (P3-05): StepGen #1, pin Step (Output)
[ 2250.739379] hm2/hm2_5i25.0: IO Pin 009 (P3-06): StepGen #2, pin Direction (Output)
[ 2250.739381] hm2/hm2_5i25.0: IO Pin 010 (P3-07): StepGen #2, pin Step (Output)
[ 2250.739384] hm2/hm2_5i25.0: IO Pin 011 (P3-08): StepGen #3, pin Direction (Output)
[ 2250.739386] hm2/hm2_5i25.0: IO Pin 012 (P3-09): StepGen #3, pin Step (Output)
[ 2250.739388] hm2/hm2_5i25.0: IO Pin 013 (P3-10): IOPort
[ 2250.739390] hm2/hm2_5i25.0: IO Pin 014 (P3-11): IOPort
[ 2250.739392] hm2/hm2_5i25.0: IO Pin 015 (P3-12): IOPort
[ 2250.739394] hm2/hm2_5i25.0: IO Pin 016 (P3-13): IOPort
[ 2250.739396] hm2/hm2_5i25.0: IO Pin 017 (P2-01): IOPort
[ 2250.739398] hm2/hm2_5i25.0: IO Pin 018 (P2-14): IOPort
[ 2250.739401] hm2/hm2_5i25.0: IO Pin 019 (P2-02): StepGen #4, pin Direction (Output)
[ 2250.739403] hm2/hm2_5i25.0: IO Pin 020 (P2-15): IOPort
[ 2250.739405] hm2/hm2_5i25.0: IO Pin 021 (P2-03): StepGen #4, pin Step (Output)
[ 2250.739407] hm2/hm2_5i25.0: IO Pin 022 (P2-16): IOPort
[ 2250.739409] hm2/hm2_5i25.0: IO Pin 023 (P2-04): IOPort
[ 2250.739411] hm2/hm2_5i25.0: IO Pin 024 (P2-17): IOPort
[ 2250.739413] hm2/hm2_5i25.0: IO Pin 025 (P2-05): IOPort
[ 2250.739416] hm2/hm2_5i25.0: IO Pin 026 (P2-06): IOPort
[ 2250.739417] hm2/hm2_5i25.0: IO Pin 027 (P2-07): IOPort
[ 2250.739419] hm2/hm2_5i25.0: IO Pin 028 (P2-08): IOPort
[ 2250.739421] hm2/hm2_5i25.0: IO Pin 029 (P2-09): IOPort
[ 2250.739423] hm2/hm2_5i25.0: IO Pin 030 (P2-10): IOPort
[ 2250.739425] hm2/hm2_5i25.0: IO Pin 031 (P2-11): IOPort
[ 2250.739427] hm2/hm2_5i25.0: IO Pin 032 (P2-12): IOPort
[ 2250.739429] hm2/hm2_5i25.0: IO Pin 033 (P2-13): IOPort
[ 2250.739497] hm2/hm2_5i25.0: registered
[ 2250.739501] hm2_5i25.0: initialized AnyIO board at 0000:04:00.0

There is no Linuxcnc error.

Let me know if I'm missing something.

I am still very new to this.

Oz
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17 Jan 2016 16:15 #68592 by PCW
Can you launch LinuxCNC from the command line so that any error messages can be observed?

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17 Jan 2016 16:20 #68593 by Ozcnc
Yes,
No error messages.

And loads but no enabling of the controller.

Oz

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17 Jan 2016 16:33 #68595 by ArcEye
OK, but you are still just posting a snippet of dmesg, which seems to show that the 5i25 was discovered and initialised.
No error there.

Do a reboot with the card installed and then start Linuxcnc

Then do
dmesg > dmesg.txt and post the resultant dmesg.txt file as an attachment.

I am guessing you are saying the 5i25 is not enabled, so there should be something to indicate what happened and there should be an error as soon as the hal file tries to address the first 5i25 pin.

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17 Jan 2016 16:38 #68596 by PCW
Are you sure real time is not working and its not just a hal/ini error of some kind?

You can take a look at the parameter motion.servo.last-period to see if things are running:

Machine --> Show Hal Configuration --> Watch --> Parameters --> Motion --> servo last period

This should keep changing if the servo thread is running (its value will be approximately CPU Clock rate /servo thread rate)

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17 Jan 2016 16:41 #68597 by Ozcnc
OK,

Here it is.

Oz
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17 Jan 2016 16:46 #68598 by PCW
I dont see any errors, does LinuxCNC exit unexpectedly?
That is, what makes you think there is an error?

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17 Jan 2016 16:47 #68599 by Ozcnc
PWC,

There is servo thread running.

Ok,
What should I do next?

Oz

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