Using default parameters: Result: running as user: linuxcnc, runtime: 7200 seconds, parameters: --bbinsize 1000, --base 25000, prefix for outfiles 1613662090 nglx: 5, LinuxCNC pc tests, version 20200624, started 18.02.2021 16:28:11 ******************************************************************************** Hardware info is logged here: 1613662090.hw. Latency data is logged here: 1613662090.lat. General info: Dell Inc., OptiPlex 780 Bios version A15, dated 08/06/2013 Chipset: Intel Corporation 4 Series Harddisk is rotational The amount of swap currently used is 0 ================================================================================ CPU related data: model name : Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz cpu cores : 2 stepping : 13 cache size : 2048 KB ================================================================================ RAM related data: Maximum Capacity: 8 GB Size: 2048 MB Size: No Module Installed Size: 2048 MB Size: No Module Installed ================================================================================ GPU related data: product: 4 Series Chipset Integrated Graphics Controller product: 4 Series Chipset Integrated Graphics Controller configuration: driver=i915 latency=0 configuration: latency=0 ================================================================================ Os related data: PRETTY_NAME="Debian GNU/Linux 10 (buster)" Desktop: , Session: ================================================================================ Kernel related data: Kernel 4.19.0-11-rt-amd64 GRUB_CMDLINE_LINUX_DEFAULT="quiet" Cpu idle driver: none ================================================================================ Kernel modules data: Check if pcspkr is loaded: pcspkr 16384 0 Yes, may cause bigger latency. Check if snd modules are loaded: snd_hda_codec_analog 20480 1 snd_hda_codec_generic 86016 1 snd_hda_codec_analog snd_hda_intel 49152 3 snd_hda_codec 151552 3 snd_hda_codec_generic,snd_hda_intel,snd_hda_codec_analog snd_hda_core 98304 4 snd_hda_codec_generic,snd_hda_intel,snd_hda_codec_analog,snd_hda_codec snd_hwdep 16384 1 snd_hda_codec snd_pcm 114688 3 snd_hda_intel,snd_hda_codec,snd_hda_core snd_timer 36864 1 snd_pcm snd 102400 13 snd_hda_codec_generic,snd_hwdep,snd_hda_intel,snd_hda_codec_analog,snd_hda_codec,snd_timer,snd_pcm soundcore 16384 1 snd Yes, may cause bigger latency. /home/linuxcnc/Escritorio/scripts latency/lcnc-hw: línea 429: prep: orden no encontrada ================================================================================ Keyboard & Mouse related data: Number of mice: 1 Mouse 0 : Logitech G300s Optical Gaming Mouse Mice attached to USB: /home/linuxcnc/Escritorio/scripts latency/lcnc-hw: línea 455: lsusb: orden no encontrada Keyboards attached to USB: /home/linuxcnc/Escritorio/scripts latency/lcnc-hw: línea 457: lsusb: orden no encontrada LinuxCNC related data: LinuxCNC version is: 2.8.1 ================================================================================ Preparing for latency test: Started glxgears No. 1 Started glxgears No. 2 Started glxgears No. 3 Started glxgears No. 4 Started glxgears No. 5 .......... Started firefox with 'https://vimeo.com/150574260' ================================================================================ STartime = jue feb 18 16:28:24 CET 2021 Latency testing loop started jue feb 18 16:28:24 CET 2021, Command for latency test is: su linuxcnc -c "latency-histogram --bbinsize 1000 --base 25000 --sbinsize 1000 --nox 2>&1 | tee 1613662090.lat &" should end after jue feb 18 18:28:24 CET 2021 done command, retval = 0 .Note: Using POSIX realtime 0 secs base min: -9.100 uS max: 17.300 uS sdev: 1.900 uS . 0 secs servo min: -15.200 uS max: 15.400 uS sdev: 2.700 uS Unexpected realtime delay on task 0 with period 25000 This Message will only display once per session. Run the Latency Test and resolve before continuing. . 2 secs base min: -24.600 uS max: 20.700 uS sdev: 2.200 uS 2 secs servo min: -23.600 uS max: 25.900 uS sdev: 3.500 uS . 3 secs base min: -24.600 uS max: 23.800 uS sdev: 2.300 uS . 3 secs servo min: -23.600 uS max: 25.900 uS sdev: 3.700 uS 5 secs base min: -24.600 uS max: 23.900 uS sdev: 2.400 uS 5 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.600 uS Remaining 0d 1h:59m:54s, press ^C to abort... 7 secs base min: -24.600 uS max: 27.200 uS sdev: 2.300 uS 7 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.300 uS 8 secs base min: -24.600 uS max: 27.200 uS sdev: 2.300 uS 8 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.400 uS 10 secs base min: -24.600 uS max: 28.200 uS sdev: 2.300 uS 10 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.500 uS 12 secs base min: -24.600 uS max: 28.200 uS sdev: 2.300 uS 12 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.500 uS /home/linuxcnc/Escritorio/scripts latency/lcnc-hw: línea 575: Useless to proceed, read the relevant part in 1613662090.lat: orden no encontrada Unexpected realtime delay on task 0 with period 25000 Cleaning up should end after jue feb 18 18:28:24 CET 2021 termiated latency ... ........... Closing browser firefox IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) IPDL protocol error: Handler returned error code! ###!!! [Parent][DispatchAsyncMessage] Error: PLayerTransaction::Msg_ReleaseLayer Processing error: message was deserialized, but the handler returned false (indicating failure) Done. .......... Swap useage: prerun: 0, running: 0 ================================================================================ last latency data is as follows:. 12 secs base min: -24.600 uS max: 28.200 uS sdev: 2.300 uS 12 secs servo min: -25.500 uS max: 25.900 uS sdev: 3.500 uS Hardware info is logged here: 1613662090.hw. Full latency data is logged here: 1613662090.lat. bye. root@CNC:/home/linuxcnc/Escritorio/scripts latency#