** Changed in: unity
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1039959
Title:
Coverflow can crash unity
Status in Unity:
Fix Released
Status in “unity” package in Ubuntu:
Fix Released
Bug description:
When results are added to and removed from the coverflow renderer
rapidly, it can crash, because it doesn't seem to be disconnecting the
IconLoader handles.
Backtrace of the crash:
Program received signal SIGSEGV, Segmentation fault.
0x00007fffe1dbb116 in
unity::dash::CoverflowResultItem::CoverflowResultItem(unity::dash::Result&,
unity::dash::CoverflowResultView*,
nux::ObjectPtr<nux::CoverflowModel>)::{lambda(nux::BaseTexture*)#1}::operator()(nux::BaseTexture*)
const () at ~/unity/source/unity/dash/CoverflowResultView.cpp:93
93 parent_->NeedRedraw();
#0 0x00007fffe1dbb116 in
unity::dash::CoverflowResultItem::CoverflowResultItem(unity::dash::Result&,
unity::dash::CoverflowResultView*,
nux::ObjectPtr<nux::CoverflowModel>)::{lambda(nux::BaseTexture*)#1}::operator()(nux::BaseTexture*)
const () at ~/unity/source/unity/dash/CoverflowResultView.cpp:93
No symbol table info available.
#1 0x00007fffe1dbd110 in
sigc::adaptor_functor<unity::dash::CoverflowResultItem::CoverflowResultItem(unity::dash::Result&,
unity::dash::CoverflowResultView*,
nux::CoverflowModel::Ptr)::<lambda(nux::BaseTexture*)>
>::operator()<nux::BaseTexture* const&>(nux::BaseTexture * const&) const
(this=0x58e84f0, _A_arg1=@0x7fffffffd5e0: 0x61ab5f0) at
/usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:84
No locals.
#2 0x00007fffe1dbcfdf in
sigc::internal::slot_call1<unity::dash::CoverflowResultItem::CoverflowResultItem(unity::dash::Result&,
unity::dash::CoverflowResultView*,
nux::CoverflowModel::Ptr)::<lambda(nux::BaseTexture*)>, void,
nux::BaseTexture*>::call_it(sigc::internal::slot_rep *,
sigc::type_trait<nux::BaseTexture*>::take) (rep=0x58e84c0, a_1=@0x7fffffffd5e0:
0x61ab5f0) at /usr/include/sigc++-2.0/sigc++/functors/slot.h:137
typed_rep = 0x58e84c0
#3 0x00007fffe1e93e6c in sigc::internal::signal_emit1<void,
nux::BaseTexture*, sigc::nil>::emit (impl=0x5f171b0, _A_a1=@0x7fffffffd5e0:
0x61ab5f0) at /usr/include/sigc++-2.0/sigc++/signal.h:1010
it = {_M_node = 0x5f167f0}
exec = {sig_ = 0x5f171b0}
slots = {slots_ = @0x5f171b8, placeholder = {_M_node = 0x5932890}}
#4 0x00007fffe1e939e9 in sigc::signal1<void, nux::BaseTexture*,
sigc::nil>::emit (this=0x5f16fc8, _A_a1=@0x7fffffffd5e0: 0x61ab5f0) at
/usr/include/sigc++-2.0/sigc++/signal.h:2781
No locals.
#5 0x00007fffe1e92d75 in unity::IconTexture::IconLoaded (this=0x5f16ba0,
icon_name=..., size=132, pixbuf=...) at
~/unity/source/unity/unity-shared/IconTexture.cpp:176
No locals.
#6 0x00007fffe1e94015 in sigc::bound_mem_functor3<void, unity::IconTexture,
std::string const&, unsigned int, unity::glib::Object<_GdkPixbuf>
const&>::operator() (this=0x59dc060, _A_a1=..., _A_a2=@0x7fffffffd65c: 132,
_A_a3=...) at /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1985
No locals.
#7 0x00007fffe1e93ac6 in std::_Function_handler<void (std::string const&,
unsigned int, unity::glib::Object<_GdkPixbuf> const&),
sigc::bound_mem_functor3<void, unity::IconTexture, std::string const&, unsigned
int, unity::glib::Object<_GdkPixbuf> const&> >::_M_invoke(std::_Any_data
const&, std::string const&, unsigned int, unity::glib::Object<_GdkPixbuf>
const&) (__functor=..., __args#0=..., __args#1=132, __args#2=...) at
/usr/include/c++/4.6/functional:1778
No locals.
#8 0x00007fffe1e7d24a in std::function<void (std::string const&, unsigned
int, unity::glib::Object<_GdkPixbuf> const&)>::operator()(std::string const&,
unsigned int, unity::glib::Object<_GdkPixbuf> const&) const (this=0x59dbfc0,
__args#0=..., __args#1=132, __args#2=...) at
/usr/include/c++/4.6/functional:2161
No locals.
#9 0x00007fffe1e7a8f8 in unity::IconLoader::Impl::IconLoaderTask::InvokeSlot
(this=0x59dbfa0) at ~/unity/source/unity/unity-shared/IconLoader.cpp:129
No locals.
#10 0x00007fffe1e799e1 in unity::IconLoader::Impl::CoalesceTasksCb
(this=0x1d79580) at ~/unity/source/unity/unity-shared/IconLoader.cpp:785
task = 0x59dbfa0
__for_range = @0x1d79660:
{<std::_Vector_base<unity::IconLoader::Impl::IconLoaderTask*,
std::allocator<unity::IconLoader::Impl::IconLoaderTask*> >> = {_M_impl =
{<std::allocator<unity::IconLoader::Impl::IconLoaderTask*>> =
{<__gnu_cxx::new_allocator<unity::IconLoader::Impl::IconLoaderTask*>> = {<No
data fields>}, <No data fields>}, _M_start = 0x1d94c50, _M_finish = 0x1d94c78,
_M_end_of_storage = 0x1d94e50}}, <No data fields>}
__for_begin = {_M_current = 0x1d94c58}
__for_end = {_M_current = 0x1d94c78}
#11 0x00007fffe1e81463 in sigc::bound_mem_functor0<bool,
unity::IconLoader::Impl>::operator() (this=0x59f03a0) at
/usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1787
No locals.
#12 0x00007fffe1e7f2ca in std::_Function_handler<bool (),
sigc::bound_mem_functor0<bool, unity::IconLoader::Impl>
>::_M_invoke(std::_Any_data const&) (__functor=...) at
/usr/include/c++/4.6/functional:1764
No locals.
#13 0x00007fffe02e1c4a in std::function<bool ()>::operator()() const
(this=0x5d80410) at /usr/include/c++/4.6/functional:2161
No locals.
#14 0x00007fffe02e01c0 in unity::glib::Source::SourceCallback
(data=0x611b750) at ~/unity/source/unity/UnityCore/GLibSource.cpp:106
self = 0x5d803e0
#15 0x00007ffff5a3f91b in g_timeout_dispatch (source=0x5a2fb40,
callback=<optimized out>, user_data=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3882
timeout_source = 0x5a2fb40
again = <optimized out>
#16 0x00007ffff5a3ed53 in g_main_dispatch (context=0x62de00) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:2539
dispatch = 0x7ffff5a3f900 <g_timeout_dispatch>
was_in_call = 0
user_data = 0x611b750
callback = 0x7fffe02e0170 <unity::glib::Source::SourceCallback(void*)>
cb_funcs = 0x7ffff5cea9a0
cb_data = 0x5aff880
current_source_link = {data = 0x5a2fb40, next = 0x0}
need_destroy = <optimized out>
source = 0x5a2fb40
current = 0x8cd720
i = <optimized out>
#17 g_main_context_dispatch (context=0x62de00) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3075
No locals.
#18 0x00007ffff5a3f0a0 in g_main_context_iterate (dispatch=1,
block=<optimized out>, context=0x62de00, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3146
timeout = 0
some_ready = 1
fds = <optimized out>
max_priority = 240
nfds = 15
allocated_nfds = <optimized out>
#19 g_main_context_iterate (context=0x62de00, block=<optimized out>,
dispatch=1, self=<optimized out>) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3083
some_ready = 1
#20 0x00007ffff5a3f49a in g_main_loop_run (loop=0x62e260) at
/build/buildd/glib2.0-2.32.3/./glib/gmain.c:3340
__PRETTY_FUNCTION__ = "g_main_loop_run"
#21 0x00007ffff7ac9418 in
compiz::private_screen::EventManager::startEventLoop (this=0x62bfb0,
dpy=0x630a40) at ~/unity/source/compiz/src/screen.cpp:172
No locals.
#22 0x00007ffff7ac939b in CompScreenImpl::eventLoop (this=0x627bc0) at
~/unity/source/compiz/src/screen.cpp:159
No locals.
#23 0x0000000000416657 in CompManager::run (this=0x7fffffffd9c0) at
~/unity/source/compiz/src/main.cpp:191
No locals.
#24 0x00000000004168c8 in main (argc=3, argv=0x7fffffffdac8) at
~/unity/source/compiz/src/main.cpp:260
manager = {disableSm = false, clientId = 0x0, displayName = 0x0}
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