After reboot of recent opensuse factory, I have noticed that snapperd crashed
(for no apparent reason):
# systemd-coredumpctl gdb 3614
TIME PID UID GID SIG EXE
Tue 2014-10-21 22:11:37 CEST 3614 0 0 6
/usr/sbin/snapperd
GNU gdb (GDB; openSUSE Factory) 7.8
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warning: /etc/gdbinit.d/gdb-heap.py: No such file or directory
Reading symbols from /usr/sbin/snapperd...Reading symbols from
/usr/lib/debug/usr/sbin/snapperd.debug...done.
done.
[New LWP 3614]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
Core was generated by `/usr/sbin/snapperd'.
Program terminated with signal SIGABRT, Aborted.
#0 0xb77bae60 in __kernel_vsyscall ()
(gdb) bt full
#0 0xb77bae60 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb73f2437 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
resultvar = <optimized out>
resultvar = <optimized out>
pid = -1219051520
selftid = 3614
#2 0xb73f3b8e in __GI_abort () at abort.c:78
save_stage = 1
act = {__sigaction_handler = {sa_handler = 0x83fd424, sa_sigaction =
0x83fd424}, sa_mask = {__val = {64, 3074638989, 3075918176, 3078479804,
3077059232, 5, 3220034192, 3078403714, 3077059672, 3070747136, 1, 5, 0,
3075915776, 3075918176, 3075922024, 3220034164, 3076988956,
3076153812, 3076093316, 138392728, 3075915776, 3075918176, 3074203892,
3075918176, 3074619692, 3076988928, 3076988928, 3075919228, 138400804,
138399352,
3078429072}}, sa_flags = 138392632, sa_restorer = 0xb73f3a80
<__GI_abort>}
sigs = {__val = {32, 0 <repeats 31 times>}}
#3 0xb75ddfe5 in __gnu_cxx::__verbose_terminate_handler () at
../../../../libstdc++-v3/libsupc++/vterminate.cc:95
terminating = true
t = <optimized out>
#4 0xb75dbc53 in __cxxabiv1::__terminate (handler=0xb75dde50
<__gnu_cxx::__verbose_terminate_handler()>) at
../../../../libstdc++-v3/libsupc++/eh_terminate.cc:38
No locals.
#5 0xb75dab75 in __cxa_call_terminate (ue_header=0x83fb468) at
../../../../libstdc++-v3/libsupc++/eh_call.cc:54
No locals.
#6 0xb75db791 in __cxxabiv1::__gxx_personality_v0 (version=1, actions=6,
exception_class=5138137972254386944, ue_header=0x83fb468, context=0xbfedd550)
at ../../../../libstdc++-v3/libsupc++/eh_personality.cc:670
action_record = <optimized out>
p = <optimized out>
thrown_ptr = 0x0
info = {Start = 3078108587, LPStart = 0, ttype_base = 0, TType = 0x0,
action_table = 0xfffffffc <error: Cannot access memory at address 0xfffffffc>,
ttype_encoding = 0 '\000', call_site_encoding = 192 '\300'}
landing_pad = <optimized out>
ip = <optimized out>
handler_switch_value = 0
foreign_exception = false
found_type = <optimized out>
language_specific_data = 0xb779200c
"\377\233\021\001\005>\005\342\001\003"
ip_before_insn = 0
#7 0xb758506c in _Unwind_RaiseException_Phase2 (exc=exc@entry=0x83fb468,
context=context@entry=0xbfedd550) at ../../../libgcc/unwind.inc:62
fs = {regs = {reg = {{loc = {reg = 0, offset = 0, exp = 0x0}, how =
REG_UNSAVED}, {loc = {reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc
= {reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc = {
reg = 4294967276, offset = -20, exp = 0xffffffec <error:
Cannot access memory at address 0xffffffec>}, how = REG_SAVED_OFFSET}, {loc =
{reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc = {
reg = 4294967288, offset = -8, exp = 0xfffffff8 <error:
Cannot access memory at address 0xfffffff8>}, how = REG_SAVED_OFFSET}, {loc =
{reg = 4294967280, offset = -16,
exp = 0xfffffff0 <error: Cannot access memory at address
0xfffffff0>}, how = REG_SAVED_OFFSET}, {loc = {reg = 4294967284, offset = -12,
exp = 0xfffffff4 <error: Cannot access memory at address 0xfffffff4>},
how = REG_SAVED_OFFSET}, {loc = {reg = 4294967292, offset = -4,
exp = 0xfffffffc <error: Cannot access memory at address 0xfffffffc>}, how =
REG_SAVED_OFFSET}, {loc = {reg = 0, offset = 0, exp = 0x0},
how = REG_UNSAVED}, {loc = {reg = 0, offset = 0, exp = 0x0},
how = REG_UNSAVED}, {loc = {reg = 0, offset = 0, exp = 0x0}, how =
REG_UNSAVED}, {loc = {reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc
= {
reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc =
{reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED}, {loc = {reg = 0, offset =
0, exp = 0x0}, how = REG_UNSAVED}, {loc = {reg = 0, offset = 0,
exp = 0x0}, how = REG_UNSAVED}, {loc = {reg = 0, offset = 0,
exp = 0x0}, how = REG_UNSAVED}}, prev = 0x0, cfa_offset = 64, cfa_reg = 4,
cfa_exp = 0x0, cfa_how = CFA_REG_OFFSET}, pc = 0xb772a690
<snapper::Snapper::~Snapper()+144>, personality = 0x8053950
<__gxx_personality_v0@plt>, data_align = -4, code_align = 1, retaddr_column =
8, fde_encoding = 27 '\033', lsda_encoding = 27 '\033', saw_z = 1 '\001',
signal_frame = 0 '\000', eh_ptr = 0x0}
match_handler = 4
code = _URC_NO_REASON
#8 0xb75855ad in _Unwind_Resume (exc=exc@entry=0x83fb468) at
../../../libgcc/unwind.inc:230
this_context = {reg = {0xbfedd5d4, 0x0, 0xbfedd5d8, 0xbfedd5dc, 0x0,
0xbfedd5e8, 0xbfedd5e0, 0xbfedd5e4, 0xbfedd5ec, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0}, cfa = 0xbfedd5f0,
ra = 0xb774b85f <snapper::logStreamClose(snapper::LogLevel, char
const*, unsigned int, char const*, std::basic_ostringstream<char,
std::char_traits<char>, std::allocator<char> >*)+431>, lsda = 0x0, bases = {
tbase = 0x0, dbase = 0xb758c000, func = 0xb7585550
<_Unwind_Resume>}, flags = 1073741824, version = 0, args_size = 0, by_value =
'\000' <repeats 17 times>}
cur_context = {reg = {0xbfedd5d4, 0x0, 0xbfedd5d8, 0xbfedd62c, 0x0,
0xbfedd638, 0xbfedd630, 0xbfedd634, 0xbfedd63c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0}, cfa = 0xbfedd640,
ra = 0xb772a6dd <snapper::Snapper::~Snapper()+221>, lsda =
0xb779200c, bases = {tbase = 0x0, dbase = 0xb779b000, func = 0xb772a600
<snapper::Snapper::~Snapper()>}, flags = 1073741824, version = 0, args_size =
0,
by_value = '\000' <repeats 17 times>}
code = <optimized out>
#9 0xb774b85f in ~basic_string (this=<optimized out>, __in_chrg=<optimized
out>) at /usr/include/c++/4.8/bits/basic_string.h:539
No locals.
#10 snapper::logStreamClose (level=level@entry=snapper::MILESTONE,
file=file@entry=0xb777ade3 "Snapper.cc", line=line@entry=112,
func=func@entry=0xb777b348 <snapper::Snapper::~Snapper()::__FUNCTION__>
"~Snapper",
stream=stream@entry=0x83fca40) at Log.cc:64
No locals.
#11 0xb772a6dd in snapper::Snapper::~Snapper (this=0xb67007f0,
__in_chrg=<optimized out>) at Snapper.cc:112
__buf = 0x83fca40
---Type <return> to continue, or q <return> to quit---
#12 0x08063118 in MetaSnapper::~MetaSnapper (this=0x83fd498,
__in_chrg=<optimized out>) at MetaSnapper.cc:117
No locals.
#13 0x08063197 in ~_List_node (this=0x83fd490, __in_chrg=<optimized out>) at
/usr/include/c++/4.8/bits/stl_list.h:106
No locals.
#14 destroy<std::_List_node<MetaSnapper> > (this=<optimized out>,
__p=0x83fd490) at /usr/include/c++/4.8/ext/new_allocator.h:124
No locals.
#15 _M_clear (this=0x80788e8 <meta_snappers>) at
/usr/include/c++/4.8/bits/list.tcc:75
__tmp = 0x83fd490
__cur = 0x80788e8 <meta_snappers>
#16 ~_List_base (this=0x80788e8 <meta_snappers>, __in_chrg=<optimized out>) at
/usr/include/c++/4.8/bits/stl_list.h:378
No locals.
#17 ~list (this=0x80788e8 <meta_snappers>, __in_chrg=<optimized out>) at
/usr/include/c++/4.8/bits/stl_list.h:438
No locals.
#18 MetaSnappers::~MetaSnappers (this=0x80788e8 <meta_snappers>,
__in_chrg=<optimized out>) at MetaSnapper.cc:196
No locals.
#19 0xb73f52f1 in __run_exit_handlers (status=status@entry=0, listp=0xb756c3c4
<__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
atfct = <optimized out>
onfct = <optimized out>
cxafct = <optimized out>
f = <optimized out>
#20 0xb73f534d in __GI_exit (status=0) at exit.c:104
No locals.
#21 0xb73dd99b in __libc_start_main (main=0x8053ca0 <main(int, char**)>,
argc=1, argv=0xbfedd7a4, init=0x8069a10 <__libc_csu_init>, fini=0x8069a80
<__libc_csu_fini>, rtld_fini=0xb77cc660 <_dl_fini>, stack_end=0xbfedd79c)
at libc-start.c:319
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1219051520, 0, 0, 0,
-2067208107, 617901124}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x1,
0x805462f <_start>}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
not_first_call = <optimized out>
#22 0x08054650 in _start () at ../sysdeps/i386/start.S:115
No locals.