text benchmarks cause interpreter to segfault
There is a reproducer here: https://github.com/mpickering/text-segfault-repro
It is set up to use the byte code interpreter to execute a TH splice (using
-fprefer-byte-code) but I found it issue using
cabal --run with a modified version of GHC.
Backtrace looks quite consistent. I wonder if this is the issue with large bitmaps I was wondering about..
0x00007fffeee1482a in LOOKS_LIKE_CLOSURE_PTR (p=0x0) at rts/include/rts/storage/ClosureMacros.h:289 289 const StgInfoTable *info = RELAXED_LOAD(&UNTAG_CONST_CLOSURE((const StgClosure *) (p))->header.info); (gdb) bt #0 0x00007fffeee1482a in LOOKS_LIKE_CLOSURE_PTR (p=0x0) at rts/include/rts/storage/ClosureMacros.h:289 #1 0x00007fffeee598b9 in evacuate1 (p=0x42039ffd40) at rts/sm/Evac.c:698 #2 0x00007fffeee75b0c in do_evacuate (p=0x42039ffd40, user=0x0) at rts/sm/Scav.c:99 #3 0x00007fffeee75acc in walk_large_bitmap (cb=0x7fffeee75af0 <do_evacuate>, p=0x42039ffd40, large_bitmap=0x4202a6e738, size=8, user=0x0) at rts/sm/HeapUtils.h:32 #4 0x00007fffeee78aec in scavenge_large_bitmap (p=0x42039ffd30, large_bitmap=0x4202a6e738, size=8) at rts/sm/Scav.c:1862 #5 0x00007fffeee78c4a in scavenge_stack1 (p=0x42039ffd30, stack_end=0x4203a00000) at rts/sm/Scav.c:1993 #6 0x00007fffeee78291 in scavenge_one (p=0x42039f8000) at rts/sm/Scav.c:1520 #7 0x00007fffeee786af in scavenge_mutable_list1 (bd=0x4202201500, gen=0x5cc9f0) at rts/sm/Scav.c:1710 #8 0x00007fffeee7884c in scavenge_capability_mut_Lists1 (cap=0x7fffeeeca500 <MainCapability>) at rts/sm/Scav.c:1745 #9 0x00007fffeee61322 in GarbageCollect (collect_gen=0, do_heap_census=false, is_overflow_gc=true, deadlock_detect=false, gc_type=2, cap=0x7fffeeeca500 <MainCapability>, idle_cap=0x7fffd0050270) at rts/sm/GC.c:510 #10 0x00007fffeee344a4 in scheduleDoGC (pcap=0x7fffdaffcd48, task=0x5dab40, force_major=false, is_overflow_gc=true, deadlock_detect=false) at rts/Schedule.c:1881 #11 0x00007fffeee32374 in schedule (initialCapability=0x7fffeeeca500 <MainCapability>, task=0x5dab40) at rts/Schedule.c:575 #12 0x00007fffeee35c32 in scheduleWorker (cap=0x7fffeeeca500 <MainCapability>, task=0x5dab40) at rts/Schedule.c:2668 #13 0x00007fffeee3e2e9 in workerStart (task=0x5dab40) at rts/Task.c:444 #14 0x00007fffeee8182d in start_thread (param=0x5dac10) at rts/posix/OSThreads.c:218 #15 0x00007fffeeb47e86 in start_thread () from /nix/store/ayfr5l52xkqqjn3n4h9jfacgnchz1z7s-glibc-2.35-224/lib/libc.so.6 #16 0x00007fffeebcece0 in clone3 () from /nix/store/ayfr5l52xkqqjn3n4h9jfacgnchz1z7s-glibc-2.35-224/lib/libc.so.6
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