Hi guys,
Sometimes when I do a call to the LS server via a unix socket connection I
don't get any response from the LS server, and then attaching GDB to it I
get this stack trace.
Can anyone maybe help interpret this stack trace?
Thread 14 (Thread 0x7ff252f67700 (LWP 5443)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x000000000071f160 in caml_condition_wait ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff255424230 in ?? ()
#4 0x00007ff230022168 in ?? ()
#5 0x0000000000a928c8 in camlDuppy__29 ()
#6 0x0000000000a65d70 in camlTutils__56 ()
#7 0x00007ff2303fc300 in ?? ()
#8 0x00000000006026fe in camlTutils__queue_1213 ()
#9 0x00007ff252f66ce0 in ?? ()
#10 0x000000000060253d in camlTutils__queue_1213 ()
#11 0x00007ff230023ea8 in ?? ()
#12 0x0000000000000000 in ?? ()
Thread 13 (Thread 0x7ff252766700 (LWP 5444)):
#0 0x00007ff257a83de3 in select () at ../sysdeps/unix/syscall-template.S:81
#1 0x000000000071e73e in caml_thread_tick ()
#2 0x00007ff25bd21f6e in start_thread (arg=0x7ff252766700) at
pthread_create.c:311
#3 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 12 (Thread 0x7ff251f65700 (LWP 5445)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x000000000071f160 in caml_condition_wait ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff255423470 in ?? ()
#4 0x00007ff230022180 in ?? ()
#5 0x0000000000a928c8 in camlDuppy__29 ()
#6 0x0000000000a65d70 in camlTutils__56 ()
#7 0x00007ff2303fc300 in ?? ()
#8 0x00000000006026fe in camlTutils__queue_1213 ()
#9 0x00007ff251f64ce0 in ?? ()
#10 0x000000000060253d in camlTutils__queue_1213 ()
#11 0x00007ff230023e28 in ?? ()
#12 0x0000000000000000 in ?? ()
Thread 11 (Thread 0x7ff251764700 (LWP 5446)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x000000000071f160 in caml_condition_wait ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff255423b50 in ?? ()
#4 0x00007ff230022198 in ?? ()
#5 0x0000000000a65d40 in camlTutils__53 ()
#6 0x0000000000a65d70 in camlTutils__56 ()
---Type <return> to continue, or q <return> to quit---
#7 0x00007ff2303fc300 in ?? ()
#8 0x00000000006026bb in camlTutils__queue_1213 ()
#9 0x00007ff251763ce0 in ?? ()
#10 0x000000000060253d in camlTutils__queue_1213 ()
#11 0x00007ff230023da8 in ?? ()
#12 0x0000000000000000 in ?? ()
Thread 10 (Thread 0x7ff250f63700 (LWP 5447)):
#0 0x00007ff257a83de3 in select () at ../sysdeps/unix/syscall-template.S:81
#1 0x0000000000721998 in unix_select ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff250f62cb0 in ?? ()
#4 0x0000000000645eee in camlDuppy__f_1157 ()
#5 0x000000000000000b in ?? ()
#6 0x0000000000000003 in ?? ()
#7 0x0000000000000001 in ?? ()
#8 0x00007ff2554217c0 in ?? ()
#9 0x0000000000a65d70 in camlTutils__56 ()
#10 0x0000000000a92d10 in camlDuppy__58 ()
#11 0x0000000000a928e0 in camlDuppy__36 ()
#12 0x0000000000000001 in ?? ()
#13 0x00007ff230937930 in ?? ()
#14 0x0000000000648334 in camlDuppy__process_1148 ()
#15 0x00007ff2303ff000 in ?? ()
#16 0x0000000000a65d70 in camlTutils__56 ()
#17 0x00007ff250f62cb0 in ?? ()
#18 0x000000000071f046 in caml_mutex_unlock ()
#19 0x00000000006488ea in camlDuppy__queue_1179 ()
#20 0x00007ff230937908 in ?? ()
#21 0x00007ff2300221b0 in ?? ()
#22 0x0000000000a65d40 in camlTutils__53 ()
#23 0x0000000000a65d70 in camlTutils__56 ()
#24 0x00007ff2303fc300 in ?? ()
#25 0x00000000006026bb in camlTutils__queue_1213 ()
#26 0x00007ff250f62ce0 in ?? ()
#27 0x000000000060253d in camlTutils__queue_1213 ()
#28 0x00007ff230023d18 in ?? ()
#29 0x0000000000001000 in ?? ()
#30 0x0000000000b0b560 in ?? ()
#31 0x0000000000602016 in camlTutils__fun_1372 ()
#32 0x00007ff250f62d20 in ?? ()
#33 0x0000000000601cae in camlTutils__fun_1372 ()
#34 0x0000000000000000 in ?? ()
Thread 9 (Thread 0x7ff250762700 (LWP 5448)):
---Type <return> to continue, or q <return> to quit---
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x000000000071f160 in caml_condition_wait ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff230021bb0 in ?? ()
#4 0x0000000000602d08 in camlTutils__mutexify_1103 ()
#5 0x00007ff250761ce0 in ?? ()
#6 0x0000000000602cd6 in camlTutils__mutexify_1103 ()
#7 0x00007ff25552e070 in ?? ()
#8 0x0000000000000001 in ?? ()
#9 0x00007ff230405e10 in ?? ()
#10 0x000000000064c745 in camlDtools__thread_1346 ()
#11 0x00007ff250761d20 in ?? ()
#12 0x000000000064c693 in camlDtools__thread_1346 ()
#13 0x0000000000000001 in ?? ()
#14 0x00007ff25df4b4e8 in ?? ()
#15 0x00007ff230042c38 in ?? ()
#16 0x0000000000000000 in ?? ()
Thread 8 (Thread 0x7ff24ff61700 (LWP 5449)):
#0 0x00007ff257a83de3 in select () at ../sysdeps/unix/syscall-template.S:81
#1 0x0000000000721998 in unix_select ()
#2 0x0000000000734884 in caml_c_call ()
#3 0x00007ff230042f10 in ?? ()
#4 0x00000000005e3bca in camlClock__usleep_1305 ()
#5 0x00007ff24ff60ce0 in ?? ()
#6 0x00000000005e3b89 in camlClock__usleep_1305 ()
#7 0x00007ff230040c80 in ?? ()
#8 0x00000000005e21e8 in camlClock__loop_1352 ()
#9 0x00007ff25552d8f8 in ?? ()
#10 0x00007ff230021c40 in ?? ()
#11 0x00007ff25ded0890 in ?? ()
#12 0x00000000005e2f9e in camlClock__method_run_1522 ()
#13 0x00007ff25552e060 in ?? ()
#14 0x00007ff25552e050 in ?? ()
#15 0x00007ff25552e030 in ?? ()
#16 0x00007ff25552e000 in ?? ()
#17 0x00007ff25552e010 in ?? ()
#18 0x00007ff25552dfc0 in ?? ()
#19 0x00007ff2303d72b0 in ?? ()
#20 0x00007ff230040c80 in ?? ()
#21 0x0000000000000000 in ?? ()
Thread 7 (Thread 0x7ff24e1df700 (LWP 5537)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#2 0x00007ff25a8df34c in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ff25bd21f6e in start_thread (arg=0x7ff24e1df700) at
pthread_create.c:311
#6 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 6 (Thread 0x7ff22ffff700 (LWP 5538)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ff256655ff2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3 0x00007ff25665740e in gst_data_queue_pop () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#4 0x00007ff24f152ff4 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#5 0x00007ff25a8df189 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8 0x00007ff25bd21f6e in start_thread (arg=0x7ff22ffff700) at
pthread_create.c:311
#9 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 5 (Thread 0x7ff22f7fe700 (LWP 5539)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ff25a8df34c in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ff25bd21f6e in start_thread (arg=0x7ff22f7fe700) at
pthread_create.c:311
#6 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 4 (Thread 0x7ff226e9b700 (LWP 5540)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ff25a8df34c in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ff25bd21f6e in start_thread (arg=0x7ff226e9b700) at
pthread_create.c:311
#6 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 3 (Thread 0x7ff225e99700 (LWP 5547)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ff256655ff2 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3 0x00007ff25665740e in gst_data_queue_pop () from
/usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#4 0x00007ff24f152ff4 in ?? () from
/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#5 0x00007ff25a8df189 in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#8 0x00007ff25bd21f6e in start_thread (arg=0x7ff225e99700) at
pthread_create.c:311
#9 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 2 (Thread 0x7ff22669a700 (LWP 5548)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ff25a387617 in g_cond_wait () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ff25a8df34c in ?? () from
/usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3 0x00007ff25a36cab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007ff25a36c0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007ff25bd21f6e in start_thread (arg=0x7ff22669a700) at
pthread_create.c:311
#6 0x00007ff257a8b9cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:113
Thread 1 (Thread 0x7ff25df36740 (LWP 5441)):
#0 do_sigwait (sig=0x7fffb11218ac, set=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:64
#1 __sigwait (set=<optimized out>, sig=0x7fffb11218ac) at
../nptl/sysdeps/unix/sysv/linux/../../../../../sysdeps/unix/sysv/linux/sigwait.c:99
#2 0x000000000071e9ce in caml_wait_signal ()
#3 0x0000000000734884 in caml_c_call ()
#4 0x00007fffb1121980 in ?? ()
#5 0x000000000064f029 in camlDtools__wait_signal_1337 ()
#6 0x000000000072a5cc in caml_string_notequal ()
#7 0x000000000064f217 in camlDtools__main_1341 ()
#8 0x00000000009635e0 in camlMain__77 ()
#9 0x00007ff2553cd058 in ?? ()
#10 0x00007ff2303ba510 in ?? ()
#11 0x000000000064f39c in camlDtools__catch_1352 ()
#12 0x00007fffb1121a00 in ?? ()
#13 0x000000000064f2c5 in camlDtools__catch_1352 ()
#14 0x00007ff2303ba4b8 in ?? ()
#15 0x00000000009635e0 in camlMain__77 ()
#16 0x0000000000a95458 in camlDtools__71 ()
#17 0x00000000004da800 in camlMain__Make_1286 ()
#18 0x0000000000963610 in camlMain__92 ()
#19 0x0000000000963658 in camlMain__98 ()
#20 0x0000000000963640 in camlMain__94 ()
#21 0x00000000004db662 in camlMain__entry ()
#22 0x00000000009635e0 in camlMain__77 ()
#23 0x00000000004d764f in camlRunner__entry ()
#24 0x00007ff2553fd198 in ?? ()
#25 0x00000000004d3639 in caml_program ()
#26 0x000000000074894d in ?? ()
#27 0x00000000007348da in caml_start_program ()
#28 0x0000000000000000 in ?? ()
Thanks,
JD
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