Public bug reported:

Binary package hint: unity

Using 3.6.0 on natty and opening places with the keyboard sometimes it
crashes:

"#0  0x007da416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x003f4cb1 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimised out>
        resultvar = <value optimised out>
        pid = 5402612
        selftid = 5642
#2  0x003f818e in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x160a, 
            sa_sigaction = 0x160a}, sa_mask = {__val = {5402612, 1, 
              3219881452, 3219881288, 5054773, 1955044, 134794560, 134623665, 
              134550684, 3219881452, 62452, 3219881420, 134523852, 18, 2, 
              3219881288, 4793604, 4, 0, 3219881348, 5402612, 19, 3219882808, 
              3219881468, 4915649, 2, 3219881348, 4, 0, 0, 2, 5242136}}, 
          sa_flags = 4, sa_restorer = 0x502222}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x0042bdc7 in __libc_message (do_abort=2, 
    fmt=0x50407c "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
        ap = 0xac807cc8 "*** glibc detected *** compiz: double free or 
corruption (!prev): 0x0a758da0 ***\n"
        ap_copy = 0xac807cc8 "*** glibc detected *** compiz: double free or 
corruption (!prev): 0x0a758da0 ***\n"
        fd = 2
        on_2 = <value optimised out>
        list = <value optimised out>
        nlist = <value optimised out>
        cp = <value optimised out>
        written = <value optimised out>
#4  0x004361a1 in malloc_printerr (action=<value optimised out>, 
    str=<value optimised out>, ptr=0xa758da0) at malloc.c:6283
        buf = "0a758da0"
        cp = <value optimised out>
#5  0x00437afb in _int_free (av=<value optimised out>, p=0xa758d98)
    at malloc.c:4795
        size = <value optimised out>
        fb = <value optimised out>
        nextchunk = <value optimised out>
        nextsize = <value optimised out>
        nextinuse = <value optimised out>
        prevsize = <value optimised out>
        bck = <value optimised out>
        fwd = <value optimised out>
        errstr = <value optimised out>
        __func__ = "_int_free"
#6  0x0043ac8d in __libc_free (mem=0xa758da0) at malloc.c:3738
        ar_ptr = 0x5283c0
        p = <value optimised out>
        hook = <value optimised out>
#7  0x003894b1 in operator delete(void*) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#8  0x0036bb8d in std::basic_string<char, std::char_traits<char>, 
std::allocator<char> >::_Rep::_M_destroy(std::allocator<char> const&) ()
   from /usr/lib/libstdc++.so.6
No symbol table info available.
#9  0x0036d650 in std::basic_string<char, std::char_traits<char>, 
std::allocator<char> >::assign(std::basic_string<char, std::char_traits<char>, 
std::allocator<char> > const&) () from /usr/lib/libstdc++.so.6
No symbol table info available.
#10 0x019514e9 in nux::NString::operator=(nux::NString const&) ()
   from /usr/lib/libnux-core-0.9.so.0
No symbol table info available.
#11 0x05c60027 in nux::StaticCairoText::SetText (this=0xabb3718, text=...)
    at /build/buildd/unity-3.6.0/src/StaticCairoText.cpp:208
        width = <value optimised out>
        height = <value optimised out>
#12 0x05c3bb74 in PlacesGroup::Refresh (this=0xaaebc00)
    at /build/buildd/unity-3.6.0/src/PlacesGroup.cpp:179
        temp = 0x5c7c662 "<small>%s</small>"
        result_string = 0xb3808d08 "See 81 more results"
        final = 0xb37a6a70 "<small>See 81 more results</small>"
#13 0x05c3bc4e in PlacesGroup::OnIdleRelayout (self=0xaaebc00)
    at /build/buildd/unity-3.6.0/src/PlacesGroup.cpp:199
No locals.
#14 0x005e4451 in g_idle_dispatch (source=0xade2410, 
    callback=0x5c3bc30 <PlacesGroup::OnIdleRelayout(PlacesGroup*)>, 
    user_data=0xaaebc00) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:4537
No locals.
#15 0x005e8c08 in g_main_dispatch (context=0x976d750)
    at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:2440
        dispatch = 0x5e4430 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xaaebc00
        callback = 0x5c3bc30 <PlacesGroup::OnIdleRelayout(PlacesGroup*)>
        cb_funcs = 0x67e33c
        cb_data = 0xa597e40
        current_source_link = {data = 0xade2410, next = 0x0}
        need_destroy = <value optimised out>
        source = 0xade2410
        current = 0x976e3c8
        i = <value optimised out>
#16 g_main_context_dispatch (context=0x976d750)
    at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3013
No locals.
#17 0x005e93d0 in g_main_context_iterate (context=0x976d750, block=6264992, 
    dispatch=1, self=<value optimised out>)
    at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3091
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <value optimised out>
        allocated_nfds = <value optimised out>
        fds = 0xa324838
#18 0x005e9a93 in g_main_loop_run (loop=0x9748b90)
    at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#19 0x00e48865 in Glib::MainLoop::run (this=0x9748b90) at main.cc:634
No locals.
#20 0x0806e8bb in CompScreen::eventLoop() ()
No symbol table info available.
#21 0x08066ba8 in main ()
No symbol table info available."

** Affects: unity
     Importance: High
     Assignee: Neil J. Patel (njpatel)
         Status: Triaged

** Affects: unity (Ubuntu)
     Importance: High
         Status: Triaged

** Also affects: unity
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/727729

Title:
  unity crashes sometimes when opening places with the keyboard.

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