(gdb) thread apply all bt full Thread 4 (Thread 0x7fffc4c8e700 (LWP 730)): #0 0x00007fffdccb4bd0 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x0000555555c83e8f in qemu_cond_wait (cond=0x5555568b9980, mutex=0x555556323fc0 ) at /home/kashyapc/tinker-space/qemu/util/qemu-thread-posix.c:133 err = 21845 __func__ = "qemu_cond_wait" #2 0x00005555557a74c0 in qemu_tcg_wait_io_event (cpu=0x555556886dc0) at /home/kashyapc/tinker-space/qemu/cpus.c:1074 #3 0x00005555557a7d10 in qemu_tcg_rr_cpu_thread_fn (arg=0x555556886dc0) at /home/kashyapc/tinker-space/qemu/cpus.c:1385 cpu = 0x0 #4 0x00007fffdccaf5ca in start_thread () at /lib64/libpthread.so.0 #5 0x00007fffdc9e90ed in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7fffd0b01700 (LWP 728)): #0 0x00007fffdc9e3239 in syscall () at /lib64/libc.so.6 #1 0x0000555555c8421d in qemu_futex_wait (f=0x555556757184 , val=4294967295) at /home/kashyapc/tinker-space/qemu/include/qemu/futex.h:26 #2 0x0000555555c84320 in qemu_event_wait (ev=0x555556757184 ) at /home/kashyapc/tinker-space/qemu/util/qemu-thread-posix.c:399 value = 1 #3 0x0000555555c9b7fd in call_rcu_thread (opaque=0x0) at /home/kashyapc/tinker-space/qemu/util/rcu.c:249 tries = 0 n = 0 node = 0x7fff941f9c10 #4 0x00007fffdccaf5ca in start_thread () at /lib64/libpthread.so.0 #5 0x00007fffdc9e90ed in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7ffff7ee0f80 (LWP 724)): #0 0x000055555593d8f7 in stream_start (job_id=0x0, bs=0x555558646e20, base=0x5555568548c0, backing_file_str=0x55555863d710 "disk1.qcow2", speed=0, on_error=BLOCKDEV_ON_ERROR_REPORT, errp=0x 7fffffffbcf8) at /home/kashyapc/tinker-space/qemu/block/stream.c:283 s = 0x0 iter = 0xe5685e050 orig_bs_flags = 8192 ---Type to continue, or q to quit--- #1 0x00005555558f8acf in qmp_block_stream (has_job_id=false, job_id=0x0, device=0x5555586282f0 "#block830", has_base=true, base=0x55555863d710 "disk1.qcow2", has_base_node=false, base_node= 0x0, has_backing_file=false, backing_file=0x0, has_speed=false, speed=0, has_on_error=false, on_error=BLOCKDEV_ON_ERROR_REPORT, errp=0x7fffffffbda0) at /home/kashyapc/tinker-space/qemu/blockdev.c:3033 bs = 0x555558646e20 iter = 0x5555568548c0 base_bs = 0x5555568548c0 aio_context = 0x55555683cb40 local_err = 0x55555684a230 base_name = 0x55555863d710 "disk1.qcow2" __func__ = "qmp_block_stream" __PRETTY_FUNCTION__ = "qmp_block_stream" #2 0x000055555590f6e8 in qmp_marshal_block_stream (args=0x55555689ddd0, ret=0x7fffffffbe90, errp=0x7fffffffbe88) at qmp-marshal.c:488 err = 0x0 v = 0x55555779cd80 arg = {has_job_id = false, job_id = 0x0, device = 0x5555586282f0 "#block830", has_base = true, base = 0x55555863d710 "disk1.qcow2", has_base_node = false, base_node = 0x0, has_backing_fi le = false, backing_file = 0x0, has_speed = false, speed = 0, has_on_error = false, on_error = BLOCKDEV_ON_ERROR_REPORT} #3 0x0000555555c6ff23 in do_qmp_dispatch (cmds=0x5555563240a0 , request=0x555557b09460, errp=0x7fffffffbee0) at /home/kashyapc/tinker-space/qemu/qapi/qmp-dispatch.c:104 local_err = 0x0 command = 0x555558640790 "block-stream" args = 0x55555689ddd0 dict = 0x555557b09460 cmd = 0x5555567d7310 ret = 0x0 __func__ = "do_qmp_dispatch" #4 0x0000555555c7005b in qmp_dispatch (cmds=0x5555563240a0 , request=0x555557b09460) at /home/kashyapc/tinker-space/qemu/qapi/qmp-dispatch.c:131 err = 0x0 ret = 0x555557b09460 rsp = 0x5555586282f0 #5 0x00005555557b22f2 in handle_qmp_command (parser=0x55555684f4e0, tokens=0x55555683c740) at /home/kashyapc/tinker-space/qemu/monitor.c:3833 ---Type to continue, or q to quit--- req = 0x555557b09460 rsp = 0x0 id = 0x0 qdict = 0x555557b09460 mon = 0x55555684f460 err = 0x0 __func__ = "handle_qmp_command" #6 0x0000555555c7753b in json_message_process_token (lexer=0x55555684f4e8, input=0x55555683c3a0, type=JSON_RCURLY, x=506, y=0) at /home/kashyapc/tinker-space/qemu/qobject/json-streamer.c:105 parser = 0x55555684f4e0 token = 0x55555863d710 tokens = 0x55555683c740 #7 0x0000555555ca25ff in json_lexer_feed_char (lexer=0x55555684f4e8, ch=125 '}', flush=false) at /home/kashyapc/tinker-space/qemu/qobject/json-lexer.c:319 char_consumed = 1 new_state = 101 __PRETTY_FUNCTION__ = "json_lexer_feed_char" #8 0x0000555555ca2747 in json_lexer_feed (lexer=0x55555684f4e8, buffer=0x7fffffffc160 "}", size=1) at /home/kashyapc/tinker-space/qemu/qobject/json-lexer.c:369 err = 0 i = 0 #9 0x0000555555c775e2 in json_message_parser_feed (parser=0x55555684f4e0, buffer=0x7fffffffc160 "}", size=1) at /home/kashyapc/tinker-space/qemu/qobject/json-streamer.c:124 [49/3116] #10 0x00005555557b24ba in monitor_qmp_read (opaque=0x55555684f460, buf=0x7fffffffc160 "}", size=1) at /home/kashyapc/tinker-space/qemu/monitor.c:3876 old_mon = 0x0 #11 0x0000555555c0e439 in qemu_chr_be_write_impl (s=0x55555684ad60, buf=0x7fffffffc160 "}", len=1) at /home/kashyapc/tinker-space/qemu/chardev/char.c:284 be = 0x55555684f460 #12 0x0000555555c0e498 in qemu_chr_be_write (s=0x55555684ad60, buf=0x7fffffffc160 "}", len=1) at /home/kashyapc/tinker-space/qemu/chardev/char.c:296 #13 0x0000555555c16309 in tcp_chr_read (chan=0x555558635690, cond=G_IO_IN, opaque=0x55555684ad60) at /home/kashyapc/tinker-space/qemu/chardev/char-socket.c:414 chr = 0x55555684ad60 __func__ = "tcp_chr_read" s = 0x55555684ad60 buf = "}\000\331UUU\000\000 address@hidden", '\000' , "\001\000\000\000\b ---Type to continue, or q to quit--- address@hidden", '\000' , "\340\316\026\337\377\177\000\000\000\000\000\0 00\001\000\000\000\020\071\236VUU\000\000\000\302\377\377\377\177\000\000\323>\307UUU\000\000\006\000\000\000\000\000\000\000\260\244yXUU\000\000\060\302\377\377\377\177\000\000;?\307UUU\000 \000\320\302\377\377\377\177\000\000\260\244yXUU\000\000s\000\000\000s\000\000\000"... len = 1 size = 1 #14 0x0000555555c2d72c in qio_channel_fd_source_dispatch (source=0x55555684b3d0, callback=0x555555c16167 , user_data=0x55555684ad60) at /home/kashyapc/tinker-space/qemu/io/channel-watch.c:84 func = 0x555555c16167 ssource = 0x55555684b3d0 #15 0x00007fffdf1676ba in g_main_context_dispatch () at /lib64/libglib-2.0.so.0 #16 0x0000555555c7f7c7 in glib_pollfds_poll () at /home/kashyapc/tinker-space/qemu/util/main-loop.c:213 context = 0x55555683cec0 pfds = 0x5555587982d0 #17 0x0000555555c7f8c3 in os_host_main_loop_wait (timeout=363065576) at /home/kashyapc/tinker-space/qemu/util/main-loop.c:261 context = 0x55555683cec0 ret = 2 spin_counter = 0 #18 0x0000555555c7f97c in main_loop_wait (nonblocking=0) at /home/kashyapc/tinker-space/qemu/util/main-loop.c:517 ret = 21845 timeout = 4294967295 timeout_ns = 363065576 #19 0x000055555590456e in main_loop () at /home/kashyapc/tinker-space/qemu/vl.c:1899 #20 0x000055555590c35e in main (argc=17, argv=0x7fffffffd6d8, envp=0x7fffffffd768) at /home/kashyapc/tinker-space/qemu/vl.c:4717 i = 0 snapshot = 0 linux_boot = 0 initrd_filename = 0x0 kernel_filename = 0x0 kernel_cmdline = 0x555555cdfae8 "" boot_order = 0x555555cc61ff "cad" ---Type to continue, or q to quit--- boot_once = 0x0 ds = 0x5555581f37b0 cyls = 0 heads = 0 secs = 0 translation = 0 opts = 0x0 machine_opts = 0x55555683bc80 hda_opts = 0x0 icount_opts = 0x0 accel_opts = 0x0 olist = 0x567a5fa0 optind = 17 optarg = 0x7fffffffdc12 "unix:./qmp-sock,server,nowait" loadvm = 0x0 machine_class = 0x555556838050 cpu_model = 0x0 vga_model = 0x0 qtest_chrdev = 0x0 qtest_log = 0x0 pid_file = 0x0 incoming = 0x0 defconfig = false userconfig = true nographic = false display_type = DT_NONE display_remote = 0 log_mask = 0x0 log_file = 0x0 trace_file = 0x0 ---Type to continue, or q to quit--- maxram_size = 536870912 ram_slots = 0 vmstate_dump_file = 0x0 main_loop_err = 0x0 err = 0x0 list_data_dirs = false bdo_queue = {sqh_first = 0x0, sqh_last = 0x7fffffffd4c0} __func__ = "main"