user@CMP-0179:~$ sudo dmesg --clear [sudo] password for user: user@CMP-0179:~$ linuxcnc LINUXCNC - 2.7.0 Machine configuration directory is '/home/user/linuxcnc/configs/by_interface.mesa.hm2-stepper' Machine configuration file is '7i90.ini' Starting LinuxCNC... . Found file(REL): ./hm2-stepper.hal HAL: ERROR: function 'hm2_7i90.0.read' not found ./hm2-stepper.hal:53: addf failed Shutting down and cleaning up LinuxCNC... LinuxCNC terminated with an error. You can find more information in the log: /home/user/linuxcnc_debug.txt and /home/user/linuxcnc_print.txt as well as in the output of the shell command 'dmesg' and in the terminal user@CMP-0179:~$ dmesg > dmesg.txt user@CMP-0179:~$ dmesg [17683.717099] I-pipe: head domain RTAI registered. [17683.717104] RTAI[hal]: compiled with gcc version 4.7.2 (Debian 4.7.2-5) . [17683.717146] RTAI[hal]: mounted (IPIPE-NOTHREADS, IMMEDIATE (INTERNAL IRQs DISPATCHED), ISOL_CPUS_MASK: 0). [17683.717150] SYSINFO: CPUs 2, LINUX APIC IRQ 2312, TIM_FREQ 16623640, CLK_FREQ 2128104000, CPU_FREQ 2128104000 [17683.717154] RTAI_APIC_TIMER_IPI: RTAI DEFINED 2314, VECTOR 2314; LINUX_APIC_TIMER_IPI: RTAI DEFINED 2312, VECTOR 2312 [17683.717158] TIMER NAME: lapic; VARIOUSLY FOUND APIC FREQs: 16623640, 16623640, 16572500 [17683.725633] RTAI[malloc]: global heap size = 2097152 bytes, . [17683.725675] , , kstacks pool size = 524288 bytes. [17683.725680] RTAI[sched]: hard timer type/freq = APIC/16623640(Hz); default timing: oneshot; linear timed lists. [17683.725684] RTAI[sched]: Linux timer freq = 250 (Hz), TimeBase freq = 2128104000 hz. [17683.725687] RTAI[sched]: timer setup = 999 ns, resched latency = 2943 ns. [17683.734250] RTAI[math]: loaded. [17683.880774] hm2: loading Mesa HostMot2 driver version 0.15 [17683.882963] hm2_7i90: loading HostMot2 Mesa 7i90 driver version 0.3 [17684.121397] hm2_7i90: driver unloaded [17684.123058] hm2: unloading [17686.241308] RTAI[math]: unloaded. [17686.243352] SCHED releases registered named ALIEN PEDV$D [17686.249363] RTAI[malloc]: unloaded. [17686.348034] RTAI[sched]: unloaded (forced hard/soft/hard transitions: traps 0, syscalls 0). [17686.350077] I-pipe: head domain RTAI unregistered. [17686.350122] RTAI[hal]: unmounted.