Subject: bug#74632: ‘guix publish’ crashes with “Signals delivery fails constantly”

From: Ludovic Courtès <[email-masked]>
Date: Sun, 01 Dec 2024 16:13:07 +0100

Ludovic Courtès <[email-masked]> skribis:

> 2024-12-01 15:32:52 Signals delivery fails constantly at GC #284
> 2024-12-01 15:32:52 Signals delivery fails constantly

Backtrace:

--8<---------------cut here---------------start------------->8---
(gdb) info threads
  Id   Target Id                  Frame 
  1    LWP 24670 "guix publish"   0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  2    LWP 24675 "GC-marker-0"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  3    LWP 24676 "GC-marker-1"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  4    LWP 24677 "GC-marker-2"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  5    LWP 24678 "GC-marker-3"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  6    LWP 24679 "GC-marker-4"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  7    LWP 24680 "GC-marker-5"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  8    LWP 24681 "GC-marker-6"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  9    LWP 24682 "GC-marker-7"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  10   LWP 24683 "GC-marker-8"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  11   LWP 24684 "GC-marker-9"    0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  12   LWP 24685 "GC-marker-10"   0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  13   LWP 24686 "GC-marker-11"   0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  14   LWP 24687 "GC-marker-12"   0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  15   LWP 24688 "GC-marker-13"   0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  16   LWP 24689 "GC-marker-14"   0x00007f7c02604487 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  17   LWP 24690 "guix"           0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  18   LWP 24691 "guix"           0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  19   LWP 24693 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
* 20   LWP 24694 "publish worker" 0x00007f7c026093fc in __pthread_kill_implementation () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  21   LWP 24695 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  22   LWP 24696 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  23   LWP 24701 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  24   LWP 24702 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  25   LWP 24703 "publish worker" 0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
  26   LWP 24704 "publish worker" 0x00007f7c02673f4b in fdatasync () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c026093fc in __pthread_kill_implementation () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c025bf4c2 in raise () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#2  0x00007f7c025a94a3 in abort () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#3  0x00007f7c0278c43a in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#4  0x00007f7c0278c51d in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#5  0x00007f7c0279311a in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#6  0x00007f7c02793d54 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#7  0x00007f7c02798ce9 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#8  0x00007f7c02798dcd in GC_gcollect () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#9  0x00007f7c02552052 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#10 0x00007f7c02550c85 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#11 0x00007f7c0255168e in ffi_call () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#12 0x00007f7c028d0cc7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#13 0x00007f7c028c0f25 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#14 0x00007f7bf6edb480 in ?? ()
#15 0x00007f7c021ca480 in ?? ()
#16 0x00007f7c01914888 in ?? ()
#17 0x0000000000000038 in ?? ()
#18 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c028c0d5e in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#22 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#23 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#24 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#25 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#26 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#27 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#28 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#29 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#30 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#31 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#32 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#33 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#34 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#35 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 21
[Switching to thread 21 (LWP 24695)]
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02784ae8 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#2  <signal handler called>
#3  0x00007f7bf79bb3ce in ?? () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#4  0x00007f7bf79c2119 in LZ_compress_open () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#5  0x00007f7c02552052 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#6  0x00007f7c02550c85 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#7  0x00007f7c0255168e in ffi_call () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#8  0x00007f7c028d0cc7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#9  0x00007f7c028c0f25 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#10 0x00007f7bf6edb0e0 in ?? ()
#11 0x00007f7c021ca240 in ?? ()
#12 0x00007f7c01914888 in ?? ()
#13 0x0000000000000038 in ?? ()
#14 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c028c0d5e in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#22 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#23 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#24 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#25 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#26 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#27 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#28 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#29 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#30 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#31 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 22
[Switching to thread 22 (LWP 24696)]
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02784ae8 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#2  <signal handler called>
#3  0x00007f7c02604485 in __futex_abstimed_wait_common () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#4  0x00007f7c02606bc8 in pthread_cond_wait@@GLIBC_2.3.2 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#5  0x00007f7c028aaf9b in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#6  0x00007f7c028ad6bd in scm_timed_wait_condition_variable () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#7  0x00007f7bf7835fa3 in ?? ()
#8  0x00007f7c021ca000 in ?? ()
#9  0x00007f7c01914888 in ?? ()
#10 0x0000000000000038 in ?? ()
#11 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#12 0x00007f7c028c0d5e in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#13 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#14 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#22 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#23 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#24 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#25 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#26 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#27 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#28 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 23
[Switching to thread 23 (LWP 24701)]
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02784ae8 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#2  <signal handler called>
#3  0x00007f7bf79ba852 in ?? () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#4  0x00007f7bf79be30d in ?? () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#5  0x00007f7bf79c2aa8 in LZ_compress_read () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#6  0x00007f7c02552052 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#7  0x00007f7c02550c85 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#8  0x00007f7c0255168e in ffi_call () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#9  0x00007f7c028d0cc7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#10 0x00007f7c028c0f25 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#11 0x00007f7bf6e12010 in ?? ()
#12 0x00007f7bf79d5848 in ?? ()
#13 0x00007f7bf797a6a0 in ?? ()
#14 0x00007f7bf9752d80 in ?? ()
#15 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c028b31f5 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c0282b6cf in scm_call_3 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c02882c6a in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c0287ef34 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c02888746 in scm_put_bytevector () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#22 0x00007f7bf82014b7 in ?? ()
#23 0x000000001818b8cc in ?? ()
#24 0x00007f7bf6f6a9c7 in ?? ()
#25 0x00007f7bf9752d80 in ?? ()
#26 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#27 0x00007f7c028b3632 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#28 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#29 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#30 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#31 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#32 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#33 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#34 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#35 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#36 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#37 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#38 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#39 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#40 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#41 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#42 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#43 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#44 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 24
[Switching to thread 24 (LWP 24702)]
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c025bf7e2 in sigsuspend () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02784ae8 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#2  <signal handler called>
#3  0x00007f7bf79c062e in ?? () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#4  0x00007f7bf79c2aa8 in LZ_compress_read () from /gnu/store/40aa02d5xnxpi2w6dhlr4ldf1kir1wz2-lzlib-1.13/lib/liblz.so
#5  0x00007f7c02552052 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#6  0x00007f7c02550c85 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#7  0x00007f7c0255168e in ffi_call () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#8  0x00007f7c028d0cc7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#9  0x00007f7c028c0f25 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#10 0x00007f7bf6e12010 in ?? ()
#11 0x00007f7bf79d5848 in ?? ()
#12 0x00007f7bf797a6a0 in ?? ()
#13 0x00007f7bf9752b40 in ?? ()
#14 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c028b31f5 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c0282b6cf in scm_call_3 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c02882c6a in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c0287ef34 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c02888746 in scm_put_bytevector () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7bf82014b7 in ?? ()
#22 0x00007f7c019fadbc in ?? ()
#23 0x00007f7bf6fc0dd0 in ?? ()
#24 0x00007f7bf9752b40 in ?? ()
#25 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#26 0x00007f7c028b31f5 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#27 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#28 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#29 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#30 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#31 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#32 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#33 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#34 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#35 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#36 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#37 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#38 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#39 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#40 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#41 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#42 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#43 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 26
[Switching to thread 26 (LWP 24704)]
#0  0x00007f7c02673f4b in fdatasync () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c02673f4b in fdatasync () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02552052 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#2  0x00007f7c02550c85 in ?? () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#3  0x00007f7c0255168e in ffi_call () from /gnu/store/s6iqwc5sqjrk76kzslqc1n1wlcvfyqkw-libffi-3.4.4/lib/libffi.so.8
#4  0x00007f7c028d0cc7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#5  0x00007f7c028c0f25 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#6  0x00007f7bf6ee0ed0 in ?? ()
#7  0x00007f7bf97526c0 in ?? ()
#8  0x00007f7c01914888 in ?? ()
#9  0x0000000000000038 in ?? ()
#10 0x00007f7c02856ecc in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#11 0x00007f7c028c0d5e in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#12 0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#13 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#14 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#22 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#23 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#24 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#25 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#26 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#27 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 17
[Switching to thread 17 (LWP 24690)]
#0  0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c02835ee7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#2  0x00007f7c027847e1 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#3  0x00007f7c027863bc in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#4  0x00007f7c0279097c in GC_do_blocking () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#5  0x00007f7c028a7435 in scm_without_guile () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#6  0x00007f7c0283e09d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#7  0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#8  0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#9  0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#10 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#11 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#12 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#13 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#14 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#16 0x00007f7c028a73d8 in scm_with_guile () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#18 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) thread 18
[Switching to thread 18 (LWP 24691)]
#0  0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
(gdb) bt
#0  0x00007f7c0267186c in read () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#1  0x00007f7c0288acb7 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#2  0x00007f7c027847e1 in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#3  0x00007f7c027863bc in ?? () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#4  0x00007f7c0279097c in GC_do_blocking () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#5  0x00007f7c028a7435 in scm_without_guile () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#6  0x00007f7c0288f560 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#7  0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#8  0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#9  0x00007f7c02827bce in scm_call_with_unblocked_asyncs () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#10 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#11 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#12 0x00007f7c028ad0d3 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#13 0x00007f7c02829eaa in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#14 0x00007f7c028b3370 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#15 0x00007f7c028c0d85 in scm_call_n () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#16 0x00007f7c0282b65a in scm_call_2 () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#17 0x00007f7c028d2022 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#18 0x00007f7c028addff in scm_c_catch () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#19 0x00007f7c0282c426 in scm_c_with_continuation_barrier () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#20 0x00007f7c028ad029 in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#21 0x00007f7c0279093a in GC_call_with_stack_base () from /gnu/store/pr73chdirm3jc2j7npc6hqzmcwjs7l8m-libgc-8.2.4/lib/libgc.so.1
#22 0x00007f7c028a6c3d in ?? () from /gnu/store/mfkz7fvlfpv3ppwbkv0imb19nrf95akf-guile-3.0.9/lib/libguile-3.0.so.1
#23 0x00007f7c026077f4 in start_thread () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
#24 0x00007f7c0267e5e8 in clone3 () from /gnu/store/zvlp3n8iwa1svxmwv4q22pv1pb1c9pjq-glibc-2.39/lib/libc.so.6
--8<---------------cut here---------------end--------------->8---

I would seem that only one GC-enabled thread is not cooperating (not in
a ‘sigsuspend’ call): the one in ‘fdatasync’.

Ludo’.