[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007fba67b1c01d in poll () at ../sysdeps/unix/syscall-template.S:84
84	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
(gdb) thread apply all bt

Thread 28 (Thread 0x7fb9ff7fe700 (LWP 2860)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab16b778, mutex=mutex@entry=0x5620ab16b770) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab16b770, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab16b770) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab16b770) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba5027f680) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fb9ff7fe700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 27 (Thread 0x7fb9fffff700 (LWP 2696)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab156cf8, mutex=mutex@entry=0x5620ab156cf0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab156cf0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab156cf0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab156cf0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba44004a80) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fb9fffff700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 26 (Thread 0x7fba0e1c4700 (LWP 2661)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab1555f8, mutex=mutex@entry=0x5620ab1555f0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab1555f0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab1555f0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab1555f0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba508d6b70) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba0e1c4700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 25 (Thread 0x7fba0e9c5700 (LWP 2657)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aaa725b8, mutex=mutex@entry=0x5620aaa725b0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aaa725b0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aaa725b0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aaa725b0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba44004850) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba0e9c5700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 24 (Thread 0x7fba1ffff700 (LWP 2622)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab156ff8, mutex=mutex@entry=0x5620ab156ff0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab156ff0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab156ff0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab156ff0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba3c09cc00) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba1ffff700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

---Type <return> to continue, or q <return> to quit---
Thread 23 (Thread 0x7fba4d7fa700 (LWP 2619)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab1372d8, mutex=mutex@entry=0x5620ab1372d0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab1372d0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab1372d0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab1372d0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba3c00cd40) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba4d7fa700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 22 (Thread 0x7fba4309f700 (LWP 2343)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aaae55c8, mutex=mutex@entry=0x5620aaae55c0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aaae55c0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aaae55c0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aaae55c0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba3c09ccf0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba4309f700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 21 (Thread 0x7fba42037700 (LWP 2341)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620ab0cfbd8, mutex=mutex@entry=0x5620ab0cfbd0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620ab0cfbd0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620ab0cfbd0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620ab0cfbd0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba3c0a08a0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba42037700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 20 (Thread 0x7fba0f1c6700 (LWP 2340)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aaae0168, mutex=mutex@entry=0x5620aaae0160) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aaae0160, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aaae0160) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aaae0160) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba380028a0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba0f1c6700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 19 (Thread 0x7fba0fdce700 (LWP 2333)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa965458, mutex=mutex@entry=0x5620aa965450) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aa965450, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aa965450) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aa965450) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba280021e0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba0fdce700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 18 (Thread 0x7fba3220c700 (LWP 2331)):
---Type <return> to continue, or q <return> to quit---
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aaad35f8, mutex=mutex@entry=0x5620aaad35f0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aaad35f0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aaad35f0) at gasyncqueue.c:453

#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aaad35f0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x7fba3c093c50) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba3220c700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 17 (Thread 0x7fba32a0d700 (LWP 2286)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa9619f8, mutex=mutex@entry=0x5620aa9619f0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aa9619f0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aa9619f0) at gasyncqueue.c:453

#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aa9619f0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa957050) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba32a0d700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 16 (Thread 0x7fba3320e700 (LWP 2285)):

#0  inflate_fast (strm=strm@entry=0x7fba200097d0, start=start@entry=460816) at inffast.c:274

#1  0x00007fba6bf94e6e in inflate (strm=strm@entry=0x7fba200097d0, flush=0) at inflate.c:1024
#2  0x00007fba63d59742 in png_zlib_inflate (png_ptr=png_ptr@entry=0x7fba20009690, flush=flush@entry=0) at pngrutil.c:463
#3  0x00007fba63d5d971 in png_read_IDAT_data (png_ptr=png_ptr@entry=0x7fba20009690, output=0x7fa94d51864f "\004", avail_out=<optimized out>) at pngrutil.c:4082
#4  0x00007fba63d50510 in png_read_row (png_ptr=png_ptr@entry=0x7fba20009690, row=0x7faeca4eaab0 "", dsp_row=dsp_row@entry=0x0) at pngread.c:537

#5  0x00007fba63d520c2 in png_read_image (png_ptr=0x7fba20009690, image=image@entry=0x7fba2001d610) at pngread.c:747
#6  0x00007fba407c7d4d in tracker_extract_get_metadata (info=0x7fba505ec590) at tracker-extract-png.c:696
#7  0x00005620a9c60c5c in get_file_metadata (task=task@entry=0x7fb9f1942d90, info_out=info_out@entry=0x7fba3320dd10) at tracker-extract.c:326
#8  0x00005620a9c60d23 in get_metadata (task=0x7fb9f1942d90) at tracker-extract.c:510
#9  0x00005620a9c60d80 in single_thread_get_metadata (queue=0x5620aa961820) at tracker-extract.c:538
#10 0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa9572d0) at gthread.c:784
#11 0x00007fba67ded6ca in start_thread (arg=0x7fba3320e700) at pthread_create.c:333
#12 0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 15 (Thread 0x7fba43d82700 (LWP 2269)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aaae56d8, mutex=mutex@entry=0x5620aaae56d0) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x5620aaae56d0, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692d77 in g_async_queue_pop (queue=queue@entry=0x5620aaae56d0) at gasyncqueue.c:453
#4  0x00005620a9c60d78 in single_thread_get_metadata (queue=0x5620aaae56d0) at tracker-extract.c:533
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa957320) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba43d82700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 14 (Thread 0x7fba4dffb700 (LWP 2134)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
---Type <return> to continue, or q <return> to quit---
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929320) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba4dffb700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 13 (Thread 0x7fba4e7fc700 (LWP 2133)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929370) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba4e7fc700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7fba4effd700 (LWP 2132)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929400) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba4effd700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7fba4f7fe700 (LWP 2131)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929450) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba4f7fe700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7fba4ffff700 (LWP 2130)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929050) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba4ffff700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7fba54ff9700 (LWP 2129)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
---Type <return> to continue, or q <return> to quit---
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929630) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba54ff9700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7fba557fa700 (LWP 2128)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa9295e0) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba557fa700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7fba55ffb700 (LWP 2127)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929590) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba55ffb700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7fba567fc700 (LWP 2126)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929540) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba567fc700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7fba56ffd700 (LWP 2125)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fba687039df in g_cond_wait (cond=cond@entry=0x5620aa92ff08, mutex=mutex@entry=0x5620aa92ff00) at gthread-posix.c:1395
#2  0x00007fba6869290b in g_async_queue_pop_intern_unlocked (queue=0x5620aa92ff00, wait=wait@entry=1, end_time=end_time@entry=-1) at gasyncqueue.c:419
#3  0x00007fba68692dd6 in g_async_queue_pop_unlocked (queue=<optimized out>) at gasyncqueue.c:475
#4  0x00007fba686e66dd in g_thread_pool_wait_for_new_task (pool=<optimized out>) at gthreadpool.c:245
#5  g_thread_pool_thread_proxy (data=<optimized out>) at gthreadpool.c:296
#6  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa9294f0) at gthread.c:784
#7  0x00007fba67ded6ca in start_thread (arg=0x7fba56ffd700) at pthread_create.c:333
#8  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
---Type <return> to continue, or q <return> to quit---

Thread 4 (Thread 0x7fba577fe700 (LWP 2021)):
#0  0x00007fba67b1c01d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fba686be166 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7fba500010c0, timeout=<optimized out>, context=0x7fba580133b0) at gmain.c:4228
#2  g_main_context_iterate (context=0x7fba580133b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
#3  0x00007fba686be4f2 in g_main_loop_run (loop=0x7fba58013340) at gmain.c:4125
#4  0x00007fba692f9a76 in gdbus_shared_thread_func (user_data=0x7fba58013380) at gdbusprivate.c:247
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa929720) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba577fe700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7fba57fff700 (LWP 2020)):
#0  0x00007fba67b1c01d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fba686be166 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fba480008c0, timeout=<optimized out>, context=0x7fba58012b90) at gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x7fba58012b90, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
#3  0x00007fba686be27c in g_main_context_iteration (context=0x7fba58012b90, may_block=may_block@entry=1) at gmain.c:3990
#4  0x00007fba686be2c1 in glib_worker_main (data=<optimized out>) at gmain.c:5783
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa9296d0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba57fff700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 2 (Thread 0x7fba5cf9a700 (LWP 2017)):
#0  0x00007fba67b1c01d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fba686be166 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fba580010c0, timeout=<optimized out>, context=0x5620aa92eee0) at gmain.c:4228
#2  g_main_context_iterate (context=context@entry=0x5620aa92eee0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
#3  0x00007fba686be27c in g_main_context_iteration (context=context@entry=0x5620aa92eee0, may_block=may_block@entry=1) at gmain.c:3990
#4  0x00007fba5cfa1fad in dconf_gdbus_worker_thread (user_data=0x5620aa92eee0) at dconf-gdbus-thread.c:82
#5  0x00007fba686e5b93 in g_thread_proxy (data=0x5620aa9290a0) at gthread.c:784
#6  0x00007fba67ded6ca in start_thread (arg=0x7fba5cf9a700) at pthread_create.c:333
#7  0x00007fba67b27f7f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7fba6e0eb540 (LWP 2007)):
#0  0x00007fba67b1c01d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fba686be166 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x5620aaa57c40, timeout=<optimized out>, context=0x5620aa926e00) at gmain.c:4228
#2  g_main_context_iterate (context=0x5620aa926e00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3924
#3  0x00007fba686be4f2 in g_main_loop_run (loop=0x5620aaa53810) at gmain.c:4125
#4  0x00005620a9c5f307 in main (argc=<optimized out>, argv=<optimized out>) at tracker-main.c:409
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(gdb) 
