your base period and those timings need adjusted to a higher number, the
computer isnt able to keep up with the speeds the configs are trying to
run. these are in the stepper_mm.ini file.
this talks about using the latency test to set the timings.
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?TweakingSoftwareStepGeneration
2008/9/25 Евгений Александрович <[EMAIL PROTECTED]>
> Hello,
>
> I have more information.
>
> I installed linux&emc2 on real machine.
>
> I have same result :(
>
> But if I try to start emc second time withour reboot system starts, but
> with errors. (Both on VM and RM)
> It is log of second start.
>
> # emc
> EMC2 - 2.2.5
> Machine configuration directory is
> '/usr/local/etc/emc2/sample-configs/stepper'
> Machine configuration file is 'stepper_mm.ini'
> Starting EMC2...
> libnml/cms/tcp_srv.cc 278: bind error: 98 -- Address already in use
> libnml/cms/tcp_srv.cc 279: Server can not bind the connection socket on
> port 5005.
> libnml/rcs/rcs_exit.cc 99:
> Errors Reported!!!
> Press ^C to exit.
> RTAPI: ERROR: Unexpected realtime delay on task 1
>
> I can start program, but this way I get messagebox "Unexpected realtime
> delay on task 1" several times.
>
> Any ideas?
>
>
> -----Original Message-----
> From: Евгений Александрович<[EMAIL PROTECTED]>
> To: Enhanced Machine Controller \(EMC\)<emc-users@lists.sourceforge.net>
> Date: Thu, 25 Sep 2008 13:19:07 +0400
> Subject: Re: [Emc-users]Problem on EMC2 starting with rtai_hall.ko
>
> >
> >
> > > sounds like rtai is already loaded. Either you compiled it into the
> kernel,
> > > not as a module.
> > What do you mean. Did I somesing worng in kernel?
> >
> > > Or you had a latency test still running, or the last time you had
> realtime
> > > run there was some problem during unload.
> > > A lsmod should tell you more, and a reboot will probably cure it.
> > Reboot is not solution. I tried it many times.
> > At bottom is my log after reboot
> >
> > > > I user VMWare machine under WinXP
> > >
> > > I do that too sometimes without problems. (I don't expect to run any
> real
> > > machine this way..)
> >
> > Any way I will try to install on real machine.
> >
> > ------------------------ EMC DEBUG FILE
> > Stopping realtime threads
> > Unloading hal components
> >
> > ------------------------ EMC PRINT FILE
> > RUN_IN_PLACE=no
> > EMC2_DIR=
> > EMC2_BIN_DIR=/usr/local/bin
> > EMC2_TCL_DIR=/usr/local/share/emc/tcl
> > EMC2_SCRIPT_DIR=
> > EMC2_RTLIB_DIR=/usr/realtime/modules/emc2
> > EMC2_CONFIG_DIR=
> > EMC2_LANG_DIR=/usr/local/share/emc/tcl/msgs
> > INIVAR=/usr/local/bin/inivar
> > HALCMD=/usr/local/bin/halcmd
> > EMC2_EMCSH=/usr/local/bin/emcsh
> > EMC2_IOSH=/usr/local/bin/iosh
> > INIFILE=/usr/local/etc/emc2/sample-configs/stepper/stepper_mm.ini
> > PARAMETER_FILE=stepper.var
> > EMCMOT=motmod
> > EMCIO=io
> > TASK=milltask
> > HALUI=
> > DISPLAY=axis
> > NML_FILE=emc.nml
> > Starting EMC2 server program: emcsvr
> > Loading Real Time OS, RTAPI, and HAL_LIB modules
> > Removing HAL_LIB, RTAPI, and Real Time OS modules
> > Removing NML shared memory segments
> >
> > ------------------------ CONSOLE LOG
> > # lsmod
> > Module Size Used by
> > usb_storage 84160 0
> > usbcore 138220 1 usb_storage
> > ide_cd 39584 0
> > cdrom 36384 1 ide_cd
> > evdev 11648 0
> > hal_lib 36376 0
> > rtapi 35796 1 hal_lib
> > rtai_math 27140 0
> > rtai_sem 23552 1 rtapi
> > rtai_shm 12164 1 rtapi
> > rtai_fifos 29640 1 rtapi
> > rtai_sched 102360 4 rtapi,rtai_sem,rtai_shm,rtai_fifos
> > rtai_hal 39868 5
> rtapi,rtai_sem,rtai_shm,rtai_fifos,rtai_sched
> > snd_mixer_oss 16384 0
> > snd_hda_intel 283548 0
> > snd_pcm 76936 1 snd_hda_intel
> > snd_timer 22788 1 snd_pcm
> > snd 51940 4
> snd_mixer_oss,snd_hda_intel,snd_pcm,snd_timer
> > soundcore 7392 1 snd
> > snd_page_alloc 10376 2 snd_hda_intel,snd_pcm
> > apm 20432 0
> > nls_utf8 2048 0
> > nls_cp866 5248 0
> >
> > # cd /usr/realtime/testsuite/kern/latency/
> > # ./run
> > *
> > *
> > * Type ^C to stop this application.
> > *
> > *
> >
> > ## RTAI latency calibration tool ##
> > # period = 100000 (ns)
> > # avrgtime = 1 (s)
> > # do not use the FPU
> > # start the timer
> > # timer_mode is oneshot
> >
> > RTAI Testsuite - KERNEL latency (all data in nanoseconds)
> > RTH| lat min| ovl min| lat avg| lat max| ovl max|
> overruns
> > RTD| 0| 0| 91538| 2443889| 2443889|
> 8498
> > RTD| 0| 0| 92556| 1709717| 2443889|
> 17202
> > RTD| -838| -838| 92385| 1765031| 2443889|
> 25888
> > RTD| 0| -838| 91617| 1727317| 2443889|
> 34456
> > RTD| 0| -838| 92610| 1759165| 2443889|
> 43157
> > RTD| 0| -838| 92409| 1664460| 2443889|
> 51832
> > RTD| 0| -838| 92498| 1939355| 2443889|
> 60543
> > RTD| -838| -838| 92428| 1800231| 2443889|
> 69232
> > RTD| 0| -838| 92472| 1746593| 2443889|
> 77919
> > RTD| 0| -838| 92395| 1602441| 2443889|
> 86600
> > RTD| 0| -838| 92477| 1699660| 2443889|
> 95291
> > RTD| -838| -838| 91476| 1822860| 2443889|
> 103798
> > RTD| -838| -838| 91476| 1822860| 2443889|
> 103798
> > #
> >
> > # emc
> > EMC2 - 2.2.5
> > Machine configuration directory is
> '/usr/local/etc/emc2/sample-configs/stepper'
> > Machine configuration file is 'stepper_mm.ini'
> > Starting EMC2...
> > insmod: error inserting '/usr/realtime/modules/rtai_hal.ko': -1 File
> exists
> > Realtime system did not load
> > Shutting down and cleaning up EMC2...
> > /bin/pidof: illegal option -- x
> > BusyBox v1.6.1 (2007-08-26 04:52:27 MDT) multi-call binary
> >
> > Usage: pidof process-name [OPTION] [process-name ...]
> >
> > List the PIDs of all processes with names that match the
> > names on the command line
> > Options:
> > -s Display only a single PID
> > -o Omit given pid
> > Use %PPID to omit the parent pid of pidof itself
> >
> > ////// pidof was repeated several times.
> >
> >
> > # lsmod
> > Module Size Used by
> > usb_storage 84160 0
> > usbcore 138220 1 usb_storage
> > ide_cd 39584 0
> > cdrom 36384 1 ide_cd
> > evdev 11648 0
> > snd_mixer_oss 16384 0
> > snd_hda_intel 283548 0
> > snd_pcm 76936 1 snd_hda_intel
> > snd_timer 22788 1 snd_pcm
> > snd 51940 4
> snd_mixer_oss,snd_hda_intel,snd_pcm,snd_timer
> > soundcore 7392 1 snd
> > snd_page_alloc 10376 2 snd_hda_intel,snd_pcm
> > apm 20432 0
> > nls_utf8 2048 0
> > nls_cp866 5248 0
> >
> >
> >
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