Re: git guile hangs in fluids.test

[dsmich]

---- "Ludovic Courtès" <address@hidden> wrote: 
> Hi Dale,
> 
> <address@hidden> writes:
> 
> > Recently, git guile has been consistently hanging in fluids.test.  Cpu
> > usage drops to 0.  This is on a single core machine running a fairly
> > up-to-date Debian Testing.
> 
> What does ./build-aux/config.guess say?


$ ./build-aux/config.guess 
i686-pc-linux-gnu

And as raeburn suggested:

(gdb) thread apply all bt

Thread 2 (Thread 0x40c1cb70 (LWP 15152)):
#0  0x4001e424 in __kernel_vsyscall ()
#1  0x4033cd47 in do_sigsuspend (set=0x40170320) at 
../sysdeps/unix/sysv/linux/sigsuspend.c:63
#2  *__GI___sigsuspend (set=0x40170320) at 
../sysdeps/unix/sysv/linux/sigsuspend.c:78
#3  0x4016822b in GC_suspend_handler_inner (sig_arg=0x1e <Address 0x1e out of 
bounds>, context=0x40c1b99c)
    at pthread_stop_world.c:207
#4  0x401682b5 in GC_suspend_handler (sig=30, info=0x40c1b91c, 
context=0x40c1b99c) at pthread_stop_world.c:142
#5  <signal handler called>
#6  0x4001e422 in __kernel_vsyscall ()
#7  0x403d23cb in read () from /lib/i686/cmov/libc.so.6
#8  0x400b6f82 in signal_delivery_thread (data=0x0) at scmsigs.c:164
#9  0x400ddfd2 in apply_catch_closure (clo=0x1, args=0x304) at throw.c:147
#10 0x400f189f in vm_debug_engine (vm=0x93a8ee0, program=0x91ea858, 
argv=0x40c1bec4, nargs=3) at vm-i-system.c:924
#11 0x400e163a in scm_c_vm_run (vm=0x93a8ee0, program=0x91ea858, 
argv=0x40c1bec4, nargs=3) at vm.c:518
#12 0x4006d8b7 in scm_call_3 (proc=0x91ea858, arg1=0x404, arg2=0x9618310, 
arg3=0x96182f0) at eval.c:588
#13 0x400de908 in scm_catch (key=0x404, thunk=0x9618310, handler=0x96182f0) at 
throw.c:74
#14 0x400dea16 in scm_catch_with_pre_unwind_handler (key=0x404, 
thunk=0x9618310, handler=0x96182f0, 
    pre_unwind_handler=0x904) at throw.c:82
#15 0x400dea82 in scm_c_catch (tag=0x404, body=0x400b6f20 
<signal_delivery_thread>, body_data=0x0, 
    handler=0x400de3c0 <scm_handle_by_message>, handler_data=0x4011b344, 
pre_unwind_handler=0, 
    pre_unwind_handler_data=0x0) at throw.c:214
#16 0x400dead9 in scm_internal_catch (tag=0x404, body=0x400b6f20 
<signal_delivery_thread>, body_data=0x0, 
    handler=0x400de3c0 <scm_handle_by_message>, handler_data=0x4011b344) at 
throw.c:223
#17 0x400dd2fb in really_spawn (d=0x40a1b16c) at threads.c:922
#18 0x40065622 in c_body (d=0x40c1c2a4) at continuations.c:475
#19 0x400ddfd2 in apply_catch_closure (clo=0x1, args=0x304) at throw.c:147
#20 0x400f189f in vm_debug_engine (vm=0x93a8ee0, program=0x91ea858, 
argv=0x40c1c180, nargs=4) at vm-i-system.c:924
#21 0x400e163a in scm_c_vm_run (vm=0x93a8ee0, program=0x91ea858, 
argv=0x40c1c180, nargs=4) at vm.c:518
#22 0x4006d85d in scm_call_4 (proc=0x91ea858, arg1=0x404, arg2=0x9618cc0, 
arg3=0x9618cb0, arg4=0x9618c70)
    at eval.c:595
#23 0x400de9b2 in scm_catch_with_pre_unwind_handler (key=0x404, 
thunk=0x9618cc0, handler=0x9618cb0, 
    pre_unwind_handler=0x9618c70) at throw.c:87
#24 0x400dea82 in scm_c_catch (tag=0x404, body=0x40065610 <c_body>, 
body_data=0x40c1c2a4, 
    handler=0x40065630 <c_handler>, handler_data=0x40c1c2a4, 
    pre_unwind_handler=0x400de340 <scm_handle_by_message_noexit>, 
pre_unwind_handler_data=0x0) at throw.c:214
#25 0x400658eb in scm_i_with_continuation_barrier (body=0x40065610 <c_body>, 
body_data=0x40c1c2a4, 
    handler=0x40065630 <c_handler>, handler_data=0x40c1c2a4, 
    pre_unwind_handler=0x400de340 <scm_handle_by_message_noexit>, 
pre_unwind_handler_data=0x0) at continuations.c:452
#26 0x400659c3 in scm_c_with_continuation_barrier (func=0x400dd260 
<really_spawn>, data=0x40a1b16c)
    at continuations.c:493
#27 0x400ddbac in scm_i_with_guile_and_parent (func=0x400dd260 <really_spawn>, 
data=0x40a1b16c, parent=0x93a8fe8)
    at threads.c:734
#28 0x400ddc3f in spawn_thread (d=0x40a1b16c) at threads.c:934
#29 0x40166e48 in GC_inner_start_routine (sb=0x40c1c380, arg=0x99cdfe0) at 
pthread_support.c:1073
#30 0x4016121c in GC_call_with_stack_base (fn=0x40166da0 
<GC_inner_start_routine>, arg=0x99cdfe0) at misc.c:1165
#31 0x40166cd7 in GC_start_routine (arg=0x99cdfe0) at pthread_support.c:1104
#32 0x40466585 in start_thread (arg=0x40c1cb70) at pthread_create.c:300
#33 0x403e129e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0x404f92f0 (LWP 14857)):
#0  0x4001e424 in __kernel_vsyscall ()
#1  0x4046c285 in sem_wait@@GLIBC_2.1 () at 
../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/sem_wait.S:80
#2  0x40168018 in GC_stop_world () at pthread_stop_world.c:426
#3  0x40157b1e in GC_stopped_mark (stop_func=0x40156f40 <GC_never_stop_func>) 
at alloc.c:474
#4  0x40157df9 in GC_try_to_collect_inner (stop_func=0x40156f40 
<GC_never_stop_func>) at alloc.c:362
#5  0x40158194 in GC_try_to_collect (stop_func=0x40156f40 <GC_never_stop_func>) 
at alloc.c:762
---Type <return> to continue, or q <return> to quit---
#6  0x40158270 in GC_gcollect () at alloc.c:774
#7  0x40076277 in scm_i_gc (what=0x4010efee "fluids") at gc.c:401
#8  0x40070d43 in new_fluid () at fluids.c:132
#9  scm_make_fluid () at fluids.c:180
#10 0x400f24a7 in vm_debug_engine (vm=0x9251590, program=0x9295910, 
argv=0xbfe8f7f0, nargs=1) at vm-i-system.c:853
#11 0x400e163a in scm_c_vm_run (vm=0x9251590, program=0x9295910, 
argv=0xbfe8f7f0, nargs=1) at vm.c:518
#12 0x4006e9c7 in scm_primitive_eval (exp=0x93c50f8) at eval.c:859
#13 0x4008dac3 in scm_primitive_load (filename=0x960f430) at load.c:125
#14 0x400f249c in vm_debug_engine (vm=0x9251590, program=0x920e9d8, 
argv=0xbfe8f944, nargs=1) at vm-i-system.c:856
#15 0x400e163a in scm_c_vm_run (vm=0x9251590, program=0x920e9d8, 
argv=0xbfe8f944, nargs=1) at vm.c:518
#16 0x4006d945 in scm_call_1 (proc=0x920e9d8, arg1=0x9409220) at eval.c:574
#17 0x4006ee0e in scm_for_each (proc=0x920e9d8, arg1=0x93630a0, args=0x304) at 
eval.c:802
#18 0x400f2517 in vm_debug_engine (vm=0x9251590, program=0x9295910, 
argv=0xbfe8fab0, nargs=1) at vm-i-system.c:862
#19 0x400e163a in scm_c_vm_run (vm=0x9251590, program=0x9295910, 
argv=0xbfe8fab0, nargs=1) at vm.c:518
#20 0x4006e9c7 in scm_primitive_eval (exp=0x9350048) at eval.c:859
#21 0x4006ea41 in scm_eval (exp=0x9350048, module_or_state=0x91f0738) at 
eval.c:893
#22 0x400b83e5 in scm_shell (argc=10, argv=0xbfe8ff34) at script.c:762
#23 0x40086a36 in invoke_main_func (body_data=0xbfe8fe70) at init.c:381
#24 0x40065622 in c_body (d=0xbfe8fdc4) at continuations.c:475
#25 0x400ddfd2 in apply_catch_closure (clo=0x0, args=0x304) at throw.c:147
#26 0x400f189f in vm_debug_engine (vm=0x9251590, program=0x91ea858, 
argv=0xbfe8fca0, nargs=4) at vm-i-system.c:924
#27 0x400e163a in scm_c_vm_run (vm=0x9251590, program=0x91ea858, 
argv=0xbfe8fca0, nargs=4) at vm.c:518
#28 0x4006d85d in scm_call_4 (proc=0x91ea858, arg1=0x404, arg2=0x931f6d0, 
arg3=0x931f6c0, arg4=0x931f6b0)
    at eval.c:595
#29 0x400de9b2 in scm_catch_with_pre_unwind_handler (key=0x404, 
thunk=0x931f6d0, handler=0x931f6c0, 
    pre_unwind_handler=0x931f6b0) at throw.c:87
#30 0x400dea82 in scm_c_catch (tag=0x404, body=0x40065610 <c_body>, 
body_data=0xbfe8fdc4, 
    handler=0x40065630 <c_handler>, handler_data=0xbfe8fdc4, 
    pre_unwind_handler=0x400de340 <scm_handle_by_message_noexit>, 
pre_unwind_handler_data=0x0) at throw.c:214
#31 0x400658eb in scm_i_with_continuation_barrier (body=0x40065610 <c_body>, 
body_data=0xbfe8fdc4, 
    handler=0x40065630 <c_handler>, handler_data=0xbfe8fdc4, 
    pre_unwind_handler=0x400de340 <scm_handle_by_message_noexit>, 
pre_unwind_handler_data=0x0) at continuations.c:452
#32 0x400659c3 in scm_c_with_continuation_barrier (func=0x400869f0 
<invoke_main_func>, data=0xbfe8fe70)
    at continuations.c:493
#33 0x400ddbac in scm_i_with_guile_and_parent (func=0x400869f0 
<invoke_main_func>, data=0xbfe8fe70, parent=0x0)
    at threads.c:734
#34 0x400ddcce in scm_with_guile (func=0x400869f0 <invoke_main_func>, 
data=0xbfe8fe70) at threads.c:713
#35 0x400869cf in scm_boot_guile (argc=10, argv=0xbfe8ff34, main_func=0x8048860 
<inner_main>, closure=0x0)
    at init.c:364
#36 0x0804885b in main (argc=10, argv=0xbfe8ff34) at guile.c:70
(gdb)


-Dale