Backtrace I got:
(gdb) bt full
#0 __libc_do_syscall () at
../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
No locals.
#1 0xb6c77e5e in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
_a1 = 0
_a3tmp = 6
_a1tmp = 0
_a3 = 6
_nametmp = 268
_a2tmp = 4227
_a2 = 4227
_name = 268
_sys_result = <optimized out>
pd = 0xb6731450
pid = 0
selftid = 4227
#2 0xb6c78b4e in __GI_abort () at abort.c:89
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0},
sa_mask = {__val = {0 <repeats 32 times>}}, sa_flags = 0, sa_restorer =
0xb6730c98}
sigs = {__val = {32, 0 <repeats 31 times>}}
#3 0xb6ca13f8 in __libc_message (do_abort=<optimized out>, fmt=0xb6d1f638 "***
Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175
ap = {__ap = 0xb6730ce4}
fd = 2
on_2 = <optimized out>
list = <optimized out>
nlist = <optimized out>
cp = <optimized out>
written = <optimized out>
#4 0xb6ca5296 in malloc_printerr (action=1, str=0xb6d1f76c "double free or
corruption (!prev)", ptr=<optimized out>) at malloc.c:4996
buf = "01d78008"
cp = <optimized out>
#5 0xb6ca5d76 in _int_free (av=<optimized out>, p=<optimized out>,
have_lock=0) at malloc.c:3840
size = <optimized out>
fb = <optimized out>
nextchunk = <optimized out>
nextsize = <optimized out>
nextinuse = <optimized out>
prevsize = <optimized out>
bck = <optimized out>
fwd = <optimized out>
errstr = <optimized out>
locked = <optimized out>
__func__ = "_int_free"
#6 0x0003a652 in deallocate (this=0x1d7f6a8, __p=<optimized out>) at
/usr/include/c++/4.9/ext/new_allocator.h:110
No locals.
#7 deallocate (__a=..., __n=<optimized out>, __p=<optimized out>) at
/usr/include/c++/4.9/bits/alloc_traits.h:383
No locals.
#8 _M_deallocate (this=0x1d7f6a8, __n=<optimized out>, __p=<optimized out>) at
/usr/include/c++/4.9/bits/stl_vector.h:178
No locals.
#9 std::vector<char, std::allocator<char> >::_M_default_append
(this=this@entry=0x1d7f6a8, __n=__n@entry=896) at
/usr/include/c++/4.9/bits/vector.tcc:578
__new_start = 0xb3c00468 "\350\235\327\001 \233\327\001"
__new_finish = 0xb3c00868 ""
#10 0x0004657e in _M_default_append (__n=896, this=0x1d7f6a8) at
/usr/include/c++/4.9/bits/vector.tcc:545
No locals.
#11 resize (__new_size=<optimized out>, this=0x1d7f6a8) at
/usr/include/c++/4.9/bits/stl_vector.h:676
No locals.
#12 boost::asio::basic_streambuf<std::allocator<char> >::reserve
(this=this@entry=0x1d7f684, n=n@entry=1024) at
/usr/include/boost/asio/basic_streambuf.hpp:325
gnext = <optimized out>
pnext = 0
pend = 1024
#13 0x00049570 in prepare (n=1024, this=0x1d7f684) at
/usr/include/boost/asio/basic_streambuf.hpp:207
No locals.
#14 MtpDaemon::read_more_notify (this=0x1d7f628) at
/build/buildd/mtp-0.0.4+15.04.20141113/server/server.cpp:191
__PRETTY_FUNCTION__ = "void MtpDaemon::read_more_notify()"
#15 0xb6f035de in ?? () from
/usr/lib/arm-linux-gnueabihf/libboost_thread.so.1.55.0
No symbol table info available.
#16 0xb6ea7f98 in start_thread (arg=0xb6731450) at pthread_create.c:311
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1410506
Title:
MTP looping between start and stopping causing constant ~10% cpu load
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mtp/+bug/1410506/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
