Visa Hankala wrote: > On Sat, Mar 02, 2019 at 04:37:04PM +0100, Sebastien Marie wrote: > > Thread 1 (thread 469200): > > #0 sched_yield () at -:3 > > #1 0x00000a8c0609d9c5 in _libc__spinlock (lock=Variable "lock" is not > > available.) at /usr/src/lib/libc/thread/rthread.c:50 > > #2 0x00000a8c060702be in _thread_flockfile (fp=0x7f7ffffcfaa8) at > > /usr/src/lib/libc/thread/rthread_file.c:180 > > #3 0x00000a8c0609e11a in _libc_fflush (fp=0x7f7ffffcfaa8) at > > /usr/src/lib/libc/stdio/fflush.c:46 > > #4 0x00000a8c0606c89a in _libc_vdprintf (fd=Variable "fd" is not > > available.) at /usr/src/lib/libc/stdio/vdprintf.c:72 > > #5 0x00000a8c060a7f63 in _libc__rthread_debug (level=Variable "level" is > > not available.) at /usr/src/lib/libc/thread/rthread_debug.c:23 > > #6 0x00000a8c060410c5 in _rthread_mutex_timedlock (mutexp=Variable > > "mutexp" is not available.) at /usr/src/lib/libc/thread/rthread_mutex.c:163 > > #7 0x00000a8c060bc482 in malloc (size=56) at > > /usr/src/lib/libc/stdlib/malloc.c:1253 > > #8 0x00000a8c060703e4 in _thread_flockfile (fp=0x7f7ffffd02b8) at > > /usr/src/lib/libc/thread/rthread_file.c:156 > > #9 0x00000a8c0609e11a in _libc_fflush (fp=0x7f7ffffd02b8) at > > /usr/src/lib/libc/stdio/fflush.c:46 > > #10 0x00000a8c0606c89a in _libc_vdprintf (fd=Variable "fd" is not > > available.) at /usr/src/lib/libc/stdio/vdprintf.c:72 > > #11 0x00000a8c060a7f63 in _libc__rthread_debug (level=Variable "level" is > > not available.) at /usr/src/lib/libc/thread/rthread_debug.c:23 > > #12 0x00000a8c3c2792b6 in _rthread_reaper () at > > /data/openbsd/src/lib/librthread/rthread.c:260 > > #13 0x00000a8c3c279229 in pthread_join (thread=Variable "thread" is not > > available.) at /data/openbsd/src/lib/librthread/rthread.c:319 > > #14 0x00000a8993d1a705 in main (argc=1, argv=0x7f7ffffd0ab8) at test.c:86 > > This does not look good. The thread is recursing with hash_lock of > rthread_file.c. Apparently triggered by the debug output routine. >
Yeah, I think thread_debug needs to use snprintf and write the message itself.
