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EMC randomly shutting off (Toggle F2)

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11 Oct 2018 21:25 #118688 by Rick4004
EMC randomly shutting off (Toggle F2) was created by Rick4004
I am running Axis 2.4.6 on Ubuntu 10.04 LTS, and have been using it without issues for 4 or 5 years. I know that these are old versions of both the program and the OS, but the computer is dedicated to running my combination Mill/Lathe, and I have seen no reason to upgrade it. As I said, I don't use the computer for anything other than running EMC to control the mill/lathe.

In the last month, the software has randomly started shutting off, exactly the same as if you hit the F2 key. This is mildly annoying when you are turning od's or facing semi-manually on the lathe, but it is a major pain when you are running a 3 hour program on the mill, as I was today, and the machine keeps randomly toggling off. Sometimes it would run for 1 minute, 10 minutes, 20 minutes, 40 minutes, but it always shuts off and I have to start over.

Any suggestions what I could look at?

Thanks
Rick

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12 Oct 2018 05:24 #118695 by tommylight
Replied by tommylight on topic EMC randomly shutting off (Toggle F2)
What hardware? How is it controlled, parallel port or motion control hardware? Spindle motor/drive ?
Start by looking at grounding, EMI interference or voltage drops on the mains voltage.
If you own another computer, pull the HDD from this one and put it on the other one, see if it does that again. There is no need to install or configure anything, it should just work.
Make a back up of your config before any of this, it will save you a lot of trouble, it is usually located at /home/user_name_here/linuxcnc/configs/config_name_folder_to_save

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12 Oct 2018 12:30 #118702 by andypugh
Replied by andypugh on topic EMC randomly shutting off (Toggle F2)
Anything in the logs? (maybe turn on debugging to see if "Stop" is being pressed.

You can get this if there is noise on the limit switches, but that will show a message in the display.

On my lathe I have a button that control halui.mode-manual to put the lathe into jogging mode.
This button got full of coolant and is now a bit dodgy (note to self: replace it) and this gives similar results to what you describe, except that the machine does not toggle off.

Do you have a physical control connected to machine-off?

What happens if you press and release the e-stop? Could it be noise in that circuit?

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12 Oct 2018 13:53 #118717 by tommylight
Replied by tommylight on topic EMC randomly shutting off (Toggle F2)
Forgot to mention, do not keep mobile phones near the mouse and keyboard cables.
Every time the mobile signal gets week, it will try to find another antenna and it turns on the full power on the transmitter during initial communication.

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12 Oct 2018 14:57 #118720 by Rick4004
Replied by Rick4004 on topic EMC randomly shutting off (Toggle F2)
I am outputting thru the parallel port to a breakout board, Gecko drivers, and stepper motors. It is a very bare bones machine, no limit or homing switches, manual spindle control.

I thought it might be related to the E-stop switch, but the E-stop button in EMC doesn't activate, it is definitely the F2 Toggle Machine Power Button that goes from Active to Non-Active.
I tried changing to a new keyboard - no change
I tried running the program without the spindle running - no change

I appologize for the ignorance, but I know nothing about debugging or log files. I've done some searching thru the help files and didn't find much. Can you point me to some instructions for debugging and log files?

Thanks
Rick

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12 Oct 2018 17:36 #118724 by andypugh
Replied by andypugh on topic EMC randomly shutting off (Toggle F2)

find much. Can you point me to some instructions for debugging and log files?


Look in the INI file that you are starting from (each entry in the config picker corresponds to an INI file in your configs folder).

Edit that to turn on debug. change this:
# Debug level, 0 means no messages. See src/emc/nml_int/emcglb.h for others
# DEBUG = 0x7FFFFFFF
 DEBUG = 0
To:
# Debug level, 0 means no messages. See src/emc/nml_int/emcglb.h for others
DEBUG = 0x7FFFFFFF
# DEBUG = 0

Then start LinuxCNC from the command line with the command "linuxcnc"

Typical output when pressing F2 while a program is running at G-code line 25 is...
Motion id 15 took 1.831255 seconds.
Motion id 16 took 2.904786 seconds.
Motion id 17 took 3.069978 seconds.
Motion id 18 took 0.606379 seconds.
Motion id 19 took 2.542817 seconds.
Motion id 20 took 1.515108 seconds.
Motion id 21 took 0.502529 seconds.
Motion id 22 took 2.171806 seconds.
Motion id 23 took 0.117380 seconds.
Motion id 24 took 0.630791 seconds.
Motion id 25 took 2.905435 seconds.
Issuing EMC_TASK_SET_STATE -- 	 (  +505,+24,   +23,    +3,)
NML_INTERP_LIST(0x55f953d70540)::clear(): discarding 5 items
NML_INTERP_LIST(0x55f953d70540)::append(nml_msg_ptr{size=24,type=EMC_TASK_PLAN_SYNCH}) : list_size=1, line_number=198
emcTaskPlanClose() called at emc/task/emctask.cc:208
emcTaskPlanSynch() returned 0
NML_INTERP_LIST(0x55f953d70540)::get(): {size=24, type=EMC_TASK_PLAN_SYNCH}, list_size=0
emcTaskPlanLevel() returned 0
Motion id 26 took 0.627112 seconds.
Motion id 0 took 0.000000 seconds.
NML_INTERP_LIST(0x55f953d70540)::clear(): discarding 0 items
NML_INTERP_LIST(0x55f953d70540)::append(nml_msg_ptr{size=24,type=EMC_TASK_PLAN_SYNCH}) : list_size=1, line_number=198
task: main loop took 0.059166 seconds
NML_INTERP_LIST(0x55f953d70540)::get(): {size=24, type=EMC_TASK_PLAN_SYNCH}, list_size=0
emcTaskPlanLevel() returned 0
Issuing EMC_TASK_PLAN_SYNCH -- 	 (  +516,+24,    +0,)
emcTaskPlanSynch() returned 0

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12 Oct 2018 20:57 #118728 by Rick4004
Replied by Rick4004 on topic EMC randomly shutting off (Toggle F2)
OK, this is what I got when the program stopped after about 15-20 minutes,

emcTaskPlanCommand(N47010 X-.8009 Y-.6486 Z-.0101) called. (line_number=4712)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4711
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.264511,0.254288,0.255494,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,1.005298,8.616844,    +0,)
Outgoing motion id is 3711.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4713
emcTaskPlanCommand(N47020 X-.7959 Y-.6445 Z-.0075) called. (line_number=4713)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4712
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.272411,0.262988,0.242894,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.546972,6.837153,    +0,)
Motion id 1722 took 0.023961 seconds.
Outgoing motion id is 3712.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4714
emcTaskPlanCommand(N47030 X-.7958 Y-.6444 Z-.0074) called. (line_number=4714)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4713
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.286711,0.278888,0.220494,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.553012,6.912655,    +0,)
Motion id 1723 took 0.203558 seconds.
Outgoing motion id is 3713.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4715
emcTaskPlanCommand(N47040 X-.7934 Y-.6425 Z-.0065) called. (line_number=4715)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4714
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.287211,0.279488,0.219894,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.656591,8.207382,    +0,)
Motion id 1724 took 0.021965 seconds.
Outgoing motion id is 3714.
Motion id 1725 took 0.018494 seconds.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4716
emcTaskPlanCommand(N47050 X-.7925 Y-.6417 Z-.006) called. (line_number=4716)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4715
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.288111,0.280488,0.218294,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.522614,6.532670,    +0,)
Outgoing motion id is 3715.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4717
emcTaskPlanCommand(N47060 X-.7841 Y-.635 Z-.0032) called. (line_number=4717)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4716
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.288811,0.281288,0.216694,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.480234,6.002929,    +0,)
Motion id 1726 took 0.032258 seconds.
Outgoing motion id is 3716.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4718
emcTaskPlanCommand(N47070 X-.7831 Y-.6342) called. (line_number=4718)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4717
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.289311,0.281788,0.214994,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.433222,5.415280,    +0,)
Motion id 1727 took 0.030289 seconds.
Outgoing motion id is 3717.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4719
emcTaskPlanCommand(N47080 X-.7804 Y-.6319 Z-.0023) called. (line_number=4719)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4718
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.289511,0.282088,0.213694,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.415100,5.188745,    +0,)
Motion id 1728 took 0.070912 seconds.
Outgoing motion id is 3718.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4720
emcTaskPlanCommand(N47090 X-.7793 Y-.6311 Z-.0021) called. (line_number=4720)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4719
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.289711,0.282288,0.213194,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.459565,5.744563,    +0,)
Motion id 1729 took 3.766419 seconds.
Outgoing motion id is 3719.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4721
emcTaskPlanCommand(N47100 X-.7786 Y-.6305 Z-.0019) called. (line_number=4721)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4720
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.290011,0.282588,0.211294,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.409851,5.123137,    +0,)
Motion id 1730 took 0.322318 seconds.
Outgoing motion id is 3720.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4722
emcTaskPlanCommand(N47110 X-.7775 Y-.6296 Z-.0015) called. (line_number=4722)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4721
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.290111,0.282688,0.209394,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.401107,5.013831,    +0,)
Motion id 1731 took 3.762625 seconds.
Outgoing motion id is 3721.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4723
emcTaskPlanCommand(N47120 X-.7769 Y-.6291) called. (line_number=4723)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4722
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.290111,0.282688,0.164194,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.105500,0.400000,5.000000,    +0,)
Motion id 1732 took 0.081968 seconds.
Motion id 1733 took 0.010096 seconds.
Outgoing motion id is 3722.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4724
emcTaskPlanCommand(N47130 X-.7762 Y-.6286 Z-.0014) called. (line_number=4724)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4723
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-2.505911,1.632988,0.164194,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.941938,8.073750,    +0,)
Outgoing motion id is 3723.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4725
emcTaskPlanCommand(N47140 X-.7754 Y-.6279 Z-.0011) called. (line_number=4725)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4724
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-2.614211,1.530288,0.164194,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.964695,8.719692,    +0,)
Motion id 1734 took 0.051081 seconds.
Outgoing motion id is 3724.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4726
emcTaskPlanCommand(N47150 X-.7749 Y-.6275) called. (line_number=4726)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4725
emcTaskPlanExecute(0) return 0
Issuing EMC_TRAJ_LINEAR_MOVE -- 	 (+220,+116,    +0,-1.322411,0.238488,0.164194,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,    +2,0.250000,0.989949,8.485281,    +0,)
Motion id 1735 took 0.030918 seconds.
Motion id 1736 took 0.010115 seconds.
Outgoing motion id is 3725.
emcTaskPlanRead() returned 0
emcTaskPlanLine() returned 4727
emcTaskPlanCommand(N47160 X-.7279 Y-.5895 Z.0096) called. (line_number=4727)
NML_INTERP_LIST::append(nml_msg{size=116,type=EMC_TRAJ_LINEAR_MOVE}) : list_size=1001, line_number=4726
emcTaskPlanExecute(0) return 0

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12 Oct 2018 21:05 #118729 by andypugh
Replied by andypugh on topic EMC randomly shutting off (Toggle F2)
Nothing looks wrong there.

Is there anything in dmesg (just type "dmesg" at the command prompt, and send us the last 100 lines)

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12 Oct 2018 22:07 #118730 by Rick4004
Replied by Rick4004 on topic EMC randomly shutting off (Toggle F2)
Well there appears to be a problem. What the cause would be, I don't know. I haven't made any hardware or software setting changes for months, and the problem just started a few weeks ago.
[24793.024471] RTAI[math]: unloaded.
[24793.238929] SCHED releases registered named ALIEN RTGLBH
[24793.252713] RTAI[malloc]: unloaded.
[24793.352069] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[24793.365010] I-pipe: Domain RTAI unregistered.
[24793.365036] RTAI[hal]: unmounted.
[25256.075368] I-pipe: Domain RTAI registered.
[25256.075394] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[25256.075399] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[25256.075415] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[25256.075420] PIPELINE layers:
[25256.075428] f95f2e20 9ac15d93 RTAI 200
[25256.075434] c085cb20 0 Linux 100
[25256.139290] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[25256.139735] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[25256.139747] RTAI[sched]: hard timer type/freq = APIC/6224690(Hz); default timing: periodic; linear timed lists.
[25256.139754] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 1693059000 hz.
[25256.139760] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[25256.139994] RTAI[usi]: enabled.
[25256.419181] RTAI[math]: loaded.
[25256.604623] config string '0x378 out  '
[25541.343842] RTAI[math]: unloaded.
[25541.562600] SCHED releases registered named ALIEN RTGLBH
[25541.576700] RTAI[malloc]: unloaded.
[25541.676159] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[25541.694418] I-pipe: Domain RTAI unregistered.
[25541.694444] RTAI[hal]: unmounted.
[25756.132903] I-pipe: Domain RTAI registered.
[25756.132929] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[25756.132935] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[25756.132950] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[25756.132955] PIPELINE layers:
[25756.132963] f9b4be20 9ac15d93 RTAI 200
[25756.132969] c085cb20 0 Linux 100
[25756.213894] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[25756.217074] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[25756.217170] RTAI[sched]: hard timer type/freq = APIC/6224690(Hz); default timing: periodic; linear timed lists.
[25756.217178] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 1693059000 hz.
[25756.217183] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[25756.223366] RTAI[usi]: enabled.
[25756.568945] RTAI[math]: loaded.
[25756.922398] config string '0x0378'
[25784.256176] RTAI[math]: unloaded.
[25784.533380] SCHED releases registered named ALIEN RTGLBH
[25784.548724] RTAI[malloc]: unloaded.
[25784.648102] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[25784.676258] I-pipe: Domain RTAI unregistered.
[25784.676310] RTAI[hal]: unmounted.
[26805.831674] I-pipe: Domain RTAI registered.
[26805.831705] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[26805.831711] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[26805.831727] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[26805.831732] PIPELINE layers:
[26805.831739] fa091e20 9ac15d93 RTAI 200
[26805.831745] c085cb20 0 Linux 100
[26805.895634] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[26805.896611] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[26805.896626] RTAI[sched]: hard timer type/freq = APIC/6224690(Hz); default timing: periodic; linear timed lists.
[26805.896633] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 1693059000 hz.
[26805.896638] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[26805.896877] RTAI[usi]: enabled.
[26806.178353] RTAI[math]: loaded.
[26806.369608] config string '0x378 out  '
[28592.220225] usb 1-3: new high speed USB device using ehci_hcd and address 3
[28592.344164] usb 1-3: device descriptor read/64, error -71
[28592.572171] usb 1-3: device descriptor read/64, error -71
[28592.788164] usb 1-3: new high speed USB device using ehci_hcd and address 4
[28592.912169] usb 1-3: device descriptor read/64, error -71
[28593.140694] usb 1-3: device descriptor read/64, error -71
[28593.356142] usb 1-3: new high speed USB device using ehci_hcd and address 5
[28593.772100] usb 1-3: device not accepting address 5, error -71
[28593.884155] usb 1-3: new high speed USB device using ehci_hcd and address 6
[28594.300158] usb 1-3: device not accepting address 6, error -71
[28594.300276] hub 1-0:1.0: unable to enumerate USB device on port 3
[28594.684154] usb 4-1: new full speed USB device using ohci_hcd and address 2
[28594.884591] usb 4-1: not running at top speed; connect to a high speed hub
[28594.909057] usb 4-1: configuration #1 chosen from 1 choice
[28595.028751] Initializing USB Mass Storage driver...
[28595.029310] scsi2 : SCSI emulation for USB Mass Storage devices
[28595.030364] usbcore: registered new interface driver usb-storage
[28595.030379] USB Mass Storage support registered.
[28595.062921] usb-storage: device found at 2
[28595.062963] usb-storage: waiting for device to settle before scanning
[28600.065317] usb-storage: device scan complete
[28600.100113] scsi 2:0:0:0: Direct-Access              USB DISK         PMAP PQ: 0 ANSI: 0 CCS
[28600.115906] sd 2:0:0:0: Attached scsi generic sg2 type 0
[28600.989201] sd 2:0:0:0: [sdb] 1961984 512-byte logical blocks: (1.00 GB/958 MiB)
[28600.996255] sd 2:0:0:0: [sdb] Write Protect is off
[28600.996280] sd 2:0:0:0: [sdb] Mode Sense: 23 00 00 00
[28600.996287] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[28601.033205] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[28601.033242]  sdb:
[28601.088795] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[28601.088813] sd 2:0:0:0: [sdb] Attached SCSI removable disk
[28712.756193] usb 4-1: USB disconnect, address 2
[30826.077776] RTAI[math]: unloaded.
[30826.298615] SCHED releases registered named ALIEN RTGLBH
[30826.312657] RTAI[malloc]: unloaded.
[30826.412046] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0).
[30826.425196] I-pipe: Domain RTAI unregistered.
[30826.425221] RTAI[hal]: unmounted.
[30827.611547] I-pipe: Domain RTAI registered.
[30827.611572] RTAI[hal]: <3.8.1> mounted over IPIPE-NOTHREADS 2.6-03.
[30827.611578] RTAI[hal]: compiled with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) .
[30827.611594] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0).
[30827.611599] PIPELINE layers:
[30827.611606] f833ce20 9ac15d93 RTAI 200
[30827.611612] c085cb20 0 Linux 100
[30827.675507] RTAI[malloc]: global heap size = 2097152 bytes, <BSD>.
[30827.675934] RTAI[sched]: IMMEDIATE, MP, USER/KERNEL SPACE: <with RTAI OWN KTASKs>, kstacks pool size = 524288 bytes.
[30827.675945] RTAI[sched]: hard timer type/freq = APIC/6224690(Hz); default timing: periodic; linear timed lists.
[30827.675952] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 1693059000 hz.
[30827.675957] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns.
[30827.681887] RTAI[usi]: enabled.
[30827.960598] RTAI[math]: loaded.
[30828.116146] RTAPI: ERROR: Unexpected realtime delay on task 1
[30828.116151] This Message will only display once per session.
[30828.116154] Run the Latency Test and resolve before continuing.
[30828.153685] config string '0x378 out  '
rick@rick-shoptask:~$

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12 Oct 2018 22:54 #118731 by andypugh
Replied by andypugh on topic EMC randomly shutting off (Toggle F2)
Actually, that looks fine too, if there was nothing extra happened in that log since the stop.

Is that the dmesg from right after the stop?

There might be something crazy happening on USB if you re-started LinuxCNC?

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