[lldb-dev] [Bug 19784] New: lldb doesn't show full stacktrace

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sun May 18 08:28:53 PDT 2014


            Bug ID: 19784
           Summary: lldb doesn't show full stacktrace
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at cs.uiuc.edu
          Reporter: vanyacpp at gmail.com
    Classification: Unclassified

Ubuntu 14.04 64-bit. lldb-3.5 rev.201651 (packaged in Ubuntu).

lldb doesn't show full stacktrace for some functions. E.g.

(gdb) bt
#0  0x00007ff38991ffbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ff38846afe4 in g_main_context_poll (priority=2147483647, n_fds=5,
fds=0x11cbf60, timeout=550, context=0x7ff3800011f0)
    at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:4028
#2  g_main_context_iterate (context=context at entry=0x7ff3800011f0,
block=block at entry=1, dispatch=dispatch at entry=1, self=<optimized out>)
    at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3729
#3  0x00007ff38846b0ec in g_main_context_iteration (context=0x7ff3800011f0,
may_block=1) at /build/buildd/glib2.0-2.40.0/./glib/gmain.c:3795
#4  0x00007ff38a5c27a1 in QEventDispatcherGlib::processEvents (this=0x10ecca0,
flags=...) at kernel/qeventdispatcher_glib.cpp:434
#5  0x00007ff38aeb0bb6 in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#6  0x00007ff38a5940af in QEventLoop::processEvents
(this=this at entry=0x7fff20b93920, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007ff38a5943a5 in QEventLoop::exec (this=this at entry=0x7fff20b93920,
flags=...) at kernel/qeventloop.cpp:204
#8  0x00007ff38a599b79 in QCoreApplication::exec () at
#9  0x0000000000626dac in main (argc=1, argv=0x7fff20b940c8) at main.cpp:387

(lldb) bt
* thread #1: tid = 14148, 0x00007ff38991ffbd libc.so.6`__poll + 45, name =
'qbittorrent', stop reason = trace
  * frame #0: 0x00007ff38991ffbd libc.so.6`__poll + 45

The same issue applies to many other functions in libc.

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