And am I understanding it correctly that it is dying on line 384 of file src/rtapi/rt-preempt.c, right?
Cern Dne středa 28. listopadu 2018 2:13:54 UTC+1 [email protected] napsal(a): > > > Hello, > > OK, I am used to Visual Studio, so gdb (and others) are interesting > experience. Was able to experiment, that problem is caused (minimally) by > creating new thread (halcmd newthread ...) and if I am not mistaken by call > to pthread_create(params). > > Commands from terminal: > > machinekit@machinekit:~$ DEBUG=5 realtime start > rtapi_msgd command: /usr/libexec/linuxcnc/rtapi_msgd --instance=0 > --rtmsglevel=5 --usrmsglevel=5 --halsize=524288 > warning: removing unused HAL shm segment /linuxcnc-0-00414c32 > rtapi_app command: /usr/libexec/linuxcnc/rtapi_app_rt-preempt --instance=0 > machinekit@machinekit:~$ halcmd newthread fff 5000000 fp > <commandline>:0: rc=-1: rtapi_rpc(): reply timeout > > machinekit@machinekit:~$ pidof rtapi:0 > 24452 > machinekit@machinekit:~$ sudo gdb -p 24452 > [sudo] heslo pro machinekit: > GNU gdb (Debian 7.12-6) 7.12.0.20161007-git > Copyright (C) 2016 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later < > http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "i686-linux-gnu". > Type "show configuration" for configuration details. > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>. > Find the GDB manual and other documentation resources online at: > <http://www.gnu.org/software/gdb/documentation/>. > For help, type "help". > Type "apropos word" to search for commands related to "word". > Attaching to process 24452 > [New LWP 24456] > [New LWP 24457] > [Thread debugging using libthread_db enabled] > Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". > 0xb77afcf9 in __kernel_vsyscall () > (gdb) c > Continuing. > > Thread 1 "rtapi:0" received signal SIGSEGV, Segmentation fault. > 0xb7366b18 in allocate_stack (stack=<synthetic pointer>, > pdp=<synthetic pointer>, attr=0xbf9b1560) at allocatestack.c:414 > 414 allocatestack.c: Adresář nebo soubor neexistuje. > (gdb) backtrace > #0 0xb7366b18 in allocate_stack (stack=<synthetic pointer>, > pdp=<synthetic pointer>, attr=0xbf9b1560) at allocatestack.c:414 > #1 __pthread_create_2_1 (newthread=0xb69e302c, attr=0xbf9b1560, > start_routine=0xb69d1978, arg=0xb69e03ec) at pthread_create.c:539 > #2 0xb7367230 in __pthread_create_2_0 (newthread=0xb69e302c, > attr=0xbf9b1560, start_routine=0xb69d1978, arg=0xb69e03ec) > at pthread_create.c:765 > #3 0xb69d1d53 in ?? () from /usr/lib/linuxcnc/rt-preempt/rtapi.so > #4 0xb69cf4f1 in ?? () from /usr/lib/linuxcnc/rt-preempt/rtapi.so > #5 0xb68c1416 in hal_create_xthread () > from /usr/lib/linuxcnc/rt-preempt/hal_lib.so > #6 0x0047af27 in ?? () > #7 0xb730dd9c in zloop_start () from /usr/lib/i386-linux-gnu/libczmq.so.4 > #8 0x00479166 in ?? () > #9 0x004720a5 in main () > (gdb) > > Nov 28 02:08:15 machinekit msgd:0: startup pid=24447 flavor=rt-preempt > rtlevel=5 usrlevel=5 halsize=524288 shm=Posix cc=gcc 6.3.0 20170516 > version=v0.1~-----~9c3423c > Nov 28 02:08:15 machinekit msgd:0: ØMQ=4.2.1 czmq=4.0.2 protobuf=3.0.0 > atomics=gcc intrinsics libwebsockets=2.0.3 > Nov 28 02:08:15 machinekit msgd:0: configured: sha=9c3423c > Nov 28 02:08:15 machinekit msgd:0: built: Nov 14 2018 12:37:25 > sha=9c3423c > Nov 28 02:08:15 machinekit msgd:0: register_stuff: actual hostname as > announced by avahi='machinekit.local' > Nov 28 02:08:15 machinekit msgd:0: zeroconf: registering: 'Log service on > machinekit.local pid 24447' > Nov 28 02:08:15 machinekit rtapi:0: 2:rtapi_app:24452:user rtapi:0: cannot > create core dumps - /proc/sys/fs/suid_dumpable contains 0 > Nov 28 02:08:15 machinekit rtapi:0: 2:rtapi_app:24452:user you might have > to run 'echo 1 > /proc/sys/fs/suid_dumpable' as root to enable rtapi_app > core dumps > Nov 28 02:08:15 machinekit rtapi:0: 4:rtapi_app:24452:user rtapi: loaded > from rtapi.so > Nov 28 02:08:15 machinekit rtapi:0: 4:rtapi_app:24452:user hal_lib: loaded > from hal_lib.so > Nov 28 02:08:15 machinekit msgd:0: rtapi:24452:rt rtapi_app_main:195 HAL: > initializing RT hal_lib support > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt halg_xinitfv:90 HAL: > initializing component 'hal_lib' type=4 arg1=0 arg2=0/0x0 > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt hal_heap_addmem:58 > HAL: extending arena by 262144 bytes > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt > halg_export_xfunctfv:85 HAL: exporting function 'newinst' type 2 fp=0 > owner=66 > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt > halg_export_xfunctfv:85 HAL: exporting function 'delinst' type 2 fp=0 > owner=66 > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt halg_xinitfv:271 HAL: > singleton component 'hal_lib' id=66 initialized > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24452:rt rtapi_app_main:199 > HAL: RT hal_lib support initialized rc=66 > Nov 28 02:08:15 machinekit rtapi:0: 4:rtapi_app:24452:user accepting > commands at ipc:///tmp/0.rtapi.a42c8c6b-4025-4f83-ba28-dad21114744a > Nov 28 02:08:15 machinekit rtapi:0: 3:rtapi_app:24452:user rtapi_app:0 > ready flavor=rt-preempt gcc=6.3.0 20170516 git=v0.1~-----~9c3423c > Nov 28 02:08:15 machinekit rtapi:0: 4:rtapi_app:24452:user pid=24452 > flavor=rt-preempt gcc=6.3.0 20170516 git=v0.1~-----~9c3423c > Nov 28 02:08:15 machinekit rtapi:0: 4:rtapi_app:24452:user pid=24452 > flavor=rt-preempt gcc=6.3.0 20170516 git=v0.1~-----~9c3423c > Nov 28 02:08:15 machinekit msgd:0: ulapi:24453:user _ulapi_init(): ulapi > rt-preempt v0.1~-----~9c3423c loaded > Nov 28 02:08:15 machinekit msgd:0: ulapi:24453:user halg_xinitfv:271 HAL: > singleton component 'hal_lib24453' id=70 initialized > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user --halcmd ping > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user halg_exit:293 HAL: > removing component 72 'halcmd24453' > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user > ulapi_hal_lib_cleanup:235 HAL: lib_module_id=70 > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user halg_exit:293 HAL: > removing component 70 'hal_lib24453' > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user halg_exit:315 HAL: > hal_errorcount()=0 > Nov 28 02:08:15 machinekit msgd:0: hal_lib:24453:user halg_exit:316 HAL: > _halerrno=0 > Nov 28 02:08:16 machinekit msgd:0: zeroconf: registered 'Log service on > machinekit.local pid 24447' _machinekit._tcp 0 TXT > "uuid=a42c8c6b-4025-4f83-ba28-dad21114744a" > "instance=15603820-f2aa-11e8-b229-000c6e417379" "service=log" > "dsn=ipc:///tmp/0.log.a42c8c6b-4025-4f83-ba28-dad21114744a" > Nov 28 02:09:34 machinekit rtapi:0: 4:rtapi_app:24452:user pid=24452 > flavor=rt-preempt gcc=6.3.0 20170516 git=v0.1~-----~9c3423c > Nov 28 02:09:34 machinekit msgd:0: ulapi:24481:user _ulapi_init(): ulapi > rt-preempt v0.1~-----~9c3423c loaded > Nov 28 02:09:34 machinekit msgd:0: ulapi:24481:user halg_xinitfv:271 HAL: > singleton component 'hal_lib24481' id=74 initialized > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24481:user --halcmd newthread > fff 5000000 fp > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt hal_create_xthread:156 > HAL: creating thread fff, 5000000 nsec fp=1 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt rtapi_clock_set_period > (res=1) -> 5000000 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt Creating new task 1 > 'fff:0': req prio 98 (highest=99 lowest=1) stack=32768 fp=1 flags=0 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt Task CPU: 0 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt RTAPI: task 01 > installed by module 66, priority 98, code: 0xb68c0941 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt halg_pin_newfv:192 > HAL: creating pin 'fff.time' s32 OUT 0 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt halg_pin_newfv:192 > HAL: creating pin 'fff.tmax' s32 I/O 0 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt halg_pin_newfv:192 > HAL: creating pin 'fff.curr-period' s32 OUT 0 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt rtapi_task_start: > starting task 1 'fff:0' > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt RTAPI: period_nsec: > 5000000 > Nov 28 02:09:34 machinekit msgd:0: hal_lib:24452:rt About to > pthread_create task 1 > > Still have no idea why change in makefiles created this problem. (Will > have to study Make syntax.) > > Cern > > Dne pátek 23. listopadu 2018 19:20:21 UTC+1 [email protected] napsal(a): >> >> >> If you are up for it, you can try to debug the core dump that you have >>> >>> http://www.machinekit.io/docs/code/Debugging-RT-components/ >>> >>> I have found that this works quite well on rt-preempt kernels, in >>> pinpointing exactly what triggered a segfault. >>> >>> The log you originally posted shows the error report, but it is far from >>> certain exactly where this is >>> occurring, because motion continues to create pins either side of it. >>> >> >> Will try. >> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. Visit this group at https://groups.google.com/group/machinekit. 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