Hi, Andy Wingo <wi...@pobox.com> skribis:
> Andy, who got the following backtrace, with wip-threads-and-fork: > > #0 0x00007f5daf443cec in __lll_lock_wait () from > /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007f5daf43f339 in > _L_lock_926 () from /lib/x86_64-linux-gnu/libpthread.so.0 #2 > 0x00007f5daf43f15b in pthread_mutex_lock () from > /lib/x86_64-linux-gnu/libpthread.so.0 #3 0x00007f5dafba8563 in > finalize_port (ptr=0x3dac5a0, data=<optimized out>) at ports.c:575 #4 > finalize_port (ptr=0x3dac5a0, data=<optimized out>) at ports.c:551 #5 > 0x00007f5daee5851e in GC_invoke_finalizers () at finalize.c:872 #6 > 0x00007f5daee5876e in GC_notify_or_invoke_finalizers () at > finalize.c:951 #7 0x00007f5daee5ab4d in GC_generic_malloc_many (lb=16, > k=1, result=0x7f5daf080d30) at mallocx.c:290 #8 0x00007f5daee640a1 in > GC_malloc (bytes=16) at thread_local_alloc.c:177 #9 0x00007f5dafba690e > in scm_cell (cdr=772, car=2052) at ../libguile/gc.h:204 #10 scm_cons > (x=<optimized out>, y=0x304) at pairs.c:77 #11 0x00007f5dafb8cc6e in > scm_make_list (n=<optimized out>, init=0x804) at list.c:120 #12 > 0x00007f5dafb82c39 in finalize_guarded (ptr=<optimized out>, > finalizer_data=<optimized out>) at guardians.c:124 #13 > 0x00007f5daee5851e in GC_invoke_finalizers () at finalize.c:872 #14 > 0x00007f5daee5876e in GC_notify_or_invoke_finalizers () at > finalize.c:951 #15 0x00007f5daee5ab4d in GC_generic_malloc_many > (lb=16, k=1, result=0x7f5daf080d30) at mallocx.c:290 #16 > 0x00007f5daee640a1 in GC_malloc (bytes=16) at thread_local_alloc.c:177 > #17 0x00007f5dafba690e in scm_cell (cdr=65961984, car=36468752) at > ../libguile/gc.h:204 #18 scm_cons (x=<optimized out>, y=0x3ee8000) at > pairs.c:77 #19 0x00007f5dafbf5b6f in lock_all_weak_tables > (unused=<optimized out>) at weak-table.c:762 #20 0x00007f5dafbf8c97 in > before_fork () at posix.c:1295 #21 scm_fork () at posix.c:1328 Can you explain what happens here? Is it a deadlock? What’s at ports.c:575? Thanks, Ludo’.
