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May 22nd, 2013
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  1. Program terminated with signal 11, Segmentation fault.
  2. #0  ustctl_duplicate_ust_object_data (dest=dest@entry=0x7f61d40c6338, src=0x0) at ustctl.c:800
  3. 800             if (src->handle != -1) {
  4. (gdb) bt full
  5. #0  ustctl_duplicate_ust_object_data (dest=dest@entry=0x7f61d40c6338, src=0x0) at ustctl.c:800
  6.         obj = 0x7f61d40c3470
  7.         ret = <optimized out>
  8.         __func__ = "ustctl_duplicate_ust_object_data"
  9. #1  0x00000000004189b6 in duplicate_channel_object (ua_chan=0x7f61d40c6210, reg_chan=0x7f61d40c3470)
  10.     at ust-app.c:2000
  11.         ret = 0
  12. #2  send_channel_uid_to_ust (reg_chan=reg_chan@entry=0x7f61d40c3470, app=app@entry=0x7f61d4138c20,
  13.     ua_sess=ua_sess@entry=0x7f61d40c4c50, ua_chan=ua_chan@entry=0x7f61d40c6210) at ust-app.c:2161
  14.         ret = <optimized out>
  15.         reg_stream = <optimized out>
  16.         __PRETTY_FUNCTION__ = "send_channel_uid_to_ust"
  17.         __func__ = "send_channel_uid_to_ust"
  18. #3  0x0000000000419668 in create_channel_per_uid (ua_chan=0x7f61d40c6210, ua_sess=0x7f61d40c4c50,
  19.     usess=<optimized out>, app=0x7f61d4138c20) at ust-app.c:2263
  20.         ret = <optimized out>
  21.         reg_uid = <optimized out>
  22.         reg_chan = 0x7f61d40c3470
  23. #4  do_create_channel (app=app@entry=0x7f61d4138c20, usess=usess@entry=0x7f61d4096720,
  24.     ua_sess=ua_sess@entry=0x7f61d40c4c50, ua_chan=0x7f61d40c6210) at ust-app.c:2341
  25.         ret = <optimized out>
  26.         __PRETTY_FUNCTION__ = "do_create_channel"
  27. #5  0x000000000041d63c in create_ust_app_channel (usess=0x7f61d4096720, app=0x7f61d4138c20,
  28.     uchan=0x7f61d40b51a0, ua_sess=0x7f61d40c4c50, type=<optimized out>, ua_chanp=<optimized out>)
  29.     at ust-app.c:2414
  30.         ret = 0
  31.         iter = {iter = {node = 0x0, next = 0x0}}
  32.         ua_chan_node = <optimized out>
  33.         ua_chan = <optimized out>
  34.         type = LTTNG_UST_CHAN_PER_CPU
  35.         ua_chanp = 0x0
  36. #6  ust_app_create_channel_glb (usess=usess@entry=0x7f61d4096720, uchan=uchan@entry=0x7f61d40b51a0)
  37.     at ust-app.c:3426
  38.         ret = <optimized out>
  39.         created = 1
  40.         iter = {iter = {node = 0x7f61d4138c98, next = 0x11f28b0}}
  41.         app = 0x7f61d4138c20
  42.         ua_sess = 0x7f61d40c4c50
  43.         __PRETTY_FUNCTION__ = "ust_app_create_channel_glb"
  44.         __func__ = "ust_app_create_channel_glb"
  45. #7  0x000000000040affc in channel_ust_create (usess=usess@entry=0x7f61d4096720, attr=<optimized out>,
  46.     attr@entry=0x7f61d4038e8c, type=LTTNG_BUFFER_PER_UID) at channel.c:344
  47.         ret = 10
  48.         uchan = 0x7f61d40b51a0
  49.         defattr = 0x0
  50.         __PRETTY_FUNCTION__ = "channel_ust_create"
  51.         __func__ = "channel_ust_create"
  52. #8  0x0000000000411856 in cmd_enable_channel (session=0x7f61d40b6710, domain=0x7f61d4038d58,
  53.     attr=0x7f61d4038e8c, wpipe=-1) at cmd.c:901
  54.         uchan = <optimized out>
  55.         ret = <optimized out>
  56.         usess = 0x7f61d4096720
  57.         chan_ht = <optimized out>
  58.         __PRETTY_FUNCTION__ = "cmd_enable_channel"
  59.         __func__ = "cmd_enable_channel"
  60. #9  0x0000000000426526 in process_client_msg (sock_error=<synthetic pointer>, sock=21,
  61.     cmd_ctx=0x7f61d410cbd0) at main.c:2694
  62.         ret = <optimized out>
  63.         need_tracing_session = 1
  64.         need_domain = <optimized out>
  65. #10 thread_manage_clients (data=<optimized out>) at main.c:3463
  66.         sock = 21
  67.         ret = <optimized out>
  68.         i = <optimized out>
  69.         pollfd = <optimized out>
  70.         err = -1
  71.         sock_error = 0
  72.         revents = <optimized out>
  73.         nb_fd = <optimized out>
  74.         cmd_ctx = 0x7f61d410cbd0
  75.         events = {epfd = 15, nb_fd = 2, alloc_size = 2, init_size = 2, events = 0x11d6620}
  76.         __func__ = "thread_manage_clients"
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