** Also affects: mir (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1513901
Title:
Segmentation fault on server shutdown with mesa-kms
Status in Mir:
Fix Committed
Status in mir package in Ubuntu:
New
Bug description:
When the server shuts down we get a crash in the
DefaultEmergencyCleanup destructor:
#0 0x00007ffff0bca81e in ?? ()
#1 0x00007ffff63e8c7d in std::_Function_base::~_Function_base
(this=0x7054d0,
__in_chrg=<optimized out>) at /usr/include/c++/5/functional:1830
#2 0x00007ffff63edef6 in std::function<void ()>::~function() (this=0x7054d0,
__in_chrg=<optimized out>) at /usr/include/c++/5/functional:1974
#3 0x00007ffff6419714 in mir::DefaultEmergencyCleanup::ListItem::~ListItem
(this=0x7054d0,
__in_chrg=<optimized out>) at
/storage/work/mir/src/server/default_emergency_cleanup.h:38
#4 0x00007ffff641973a in
std::default_delete<mir::DefaultEmergencyCleanup::ListItem>::operator() (
this=0x63e738, __ptr=0x7054d0) at /usr/include/c++/5/bits/unique_ptr.h:76
#5 0x00007ffff6419553 in
std::unique_ptr<mir::DefaultEmergencyCleanup::ListItem,
std::default_delete<mir::DefaultEmergencyCleanup::ListItem> >::~unique_ptr
(this=0x63e738, __in_chrg=<optimized out>)
at /usr/include/c++/5/bits/unique_ptr.h:236
#6 0x00007ffff6419708 in mir::DefaultEmergencyCleanup::ListItem::~ListItem
(this=0x63e718,
__in_chrg=<optimized out>) at
/storage/work/mir/src/server/default_emergency_cleanup.h:38
#7 0x00007ffff64198d8 in
mir::DefaultEmergencyCleanup::~DefaultEmergencyCleanup (this=0x63e710,
__in_chrg=<optimized out>) at
/storage/work/mir/src/server/default_emergency_cleanup.h:31
#8 0x00007ffff6404753 in
__gnu_cxx::new_allocator<mir::DefaultEmergencyCleanup>::destroy<mir::DefaultEmergencyCleanup>
(this=0x63e710, __p=0x63e710) at /usr/include/c++/5/ext/new_allocator.h:124
#9 0x00007ffff6404572 in
std::allocator_traits<std::allocator<mir::DefaultEmergencyCleanup>
>::_S_destroy<mir::DefaultEmergencyCleanup> (__a=..., __p=0x63e710) at
/usr/include/c++/5/bits/alloc_traits.h:285
#10 0x00007ffff6404245 in
std::allocator_traits<std::allocator<mir::DefaultEmergencyCleanup>
>::destroy<mir::DefaultEmergencyCleanup> (__a=..., __p=0x63e710) at
/usr/include/c++/5/bits/alloc_traits.h:414
#11 0x00007ffff6403417 in
std::_Sp_counted_ptr_inplace<mir::DefaultEmergencyCleanup,
std::allocator<mir::DefaultEmergencyCleanup>,
(__gnu_cxx::_Lock_policy)2>::_M_dispose (this=0x63e700)
at /usr/include/c++/5/bits/shared_ptr_base.h:531
#12 0x00007ffff63e92e0 in
std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_release (this=0x63e700)
at /usr/include/c++/5/bits/shared_ptr_base.h:150
#13 0x00007ffff63e8f83 in
std::__shared_count<(__gnu_cxx::_Lock_policy)2>::~__shared_count (
this=0x7fffffffe228, __in_chrg=<optimized out>) at
/usr/include/c++/5/bits/shared_ptr_base.h:659
#14 0x00007ffff63e8dfc in std::__shared_ptr<mir::EmergencyCleanup,
(__gnu_cxx::_Lock_policy)2>::~__shared_ptr (this=0x7fffffffe220,
__in_chrg=<optimized out>) at /usr/include/c++/5/bits/shared_ptr_base.h:925
#15 0x00007ffff63e8e18 in std::shared_ptr<mir::EmergencyCleanup>::~shared_ptr
(this=0x7fffffffe220,
__in_chrg=<optimized out>) at /usr/include/c++/5/bits/shared_ptr.h:93
#16 0x00007ffff641a6bc in mir::Server::run (this=0x7fffffffe290)
at /storage/work/mir/src/server/server.cpp:382
#17 0x00007ffff6ad2993 in main (argc=1, argv=0x7fffffffe478)
at /storage/work/mir/examples/server_example.cpp:110
#18 0x000000000040106a in main (argc=1, argv=0x7fffffffe478)
at /storage/work/mir/examples/mir_demo_server_loader.cpp:40
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