What version of the code are you using? Master was broken for a couple
hours today but should be fixed now.
On Thu, Jun 9, 2011 at 6:17 PM, Dyweni - Ceph-Devel
<YS3fpFE2ykfB@xxxxxxxxxx> wrote:
> Hi All,
>
> Just tripped over this bug:
>
> *** Caught signal (Segmentation fault) **
> in thread 0xb6fff6d0
> ceph version 0.28.2-310-gb6e5c08
> (commit:b6e5c080a273dfbc679a2db2772f8b58f72bc517)
> 1: (ceph::BackTrace::BackTrace(int)+0x24) [0x83033c4]
> 2: /usr/bin/cmon() [0x83320f5]
> 3: [0xb786f400]
> 4: (Monitor::Monitor(std::string, MonitorStore*, Messenger*, MonMap*)+0xc)
> [0x81ef61e]
> 5: (main()+0x57e) [0x81dec66]
> 6: (__libc_start_main()+0xe2) [0xb7016cc2]
> 7: /usr/bin/cmon() [0x81de4a1]
> /usr/sbin/mkcephfs: line 257: 673 Segmentation fault (core dumped)
> $BINDIR/cmon -c $conf --mkfs -i $id --monmap $dir/monmap --osdmap
> $dir/osdmap -k $dir/keyring.mon
> failed: 'ssh ceph4 /usr/sbin/mkcephfs -d /tmp/mkfs.ceph.707 --init-daemon
> mon.4'
>
>
> (gdb) bt
> #0 0xb786f424 in __kernel_vsyscall ()
> #1 0xb7862e10 in raise (sig=11) at
> ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:42
> #2 0x08331fad in reraise_fatal (signum=11) at common/signal.cc:61
> #3 0x08332173 in handle_fatal_signal (signum=11) at common/signal.cc:108
> #4 <signal handler called>
> #5 0x081ef61e in Monitor::Monitor (this=0xbfed27f0, nm=..., s=0xbfed2e70,
> m=0x0, map=0xbfed2d14) at mon/Monitor.cc:104
> #6 0x081dec66 in main (argc=12, argv=0xbfed3064) at cmon.cc:112
>
>
> (gdb) p this
> $1 = (Monitor * const) 0xbfed27f0
> (gdb) p nm
> $2 = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> =
> {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
> _M_p = 0xbfed2ec0 "\354K\360\tLNA\b"}}
> (gdb) p s
> $3 = (MonitorStore *) 0xbfed2e70
> (gdb) p map
> $4 = (MonMap *) 0xbfed2d14
> (gdb) p *map
> $5 = {epoch = 1, fsid = {fsid =
> "=\000\346\331\021t\221\351y\335[\252\343\227\330\304"}, mon_addr = {_M_t =
> {
> _M_impl =
> {<std::allocator<std::_Rb_tree_node<std::pair<std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const, entity_addr_t> > >> =
> {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > const, entity_addr_t> > >> =
> {<No data fields>}, <No data fields>},
> _M_key_compare = {<std::binary_function<std::basic_string<char,
> std::char_traits<char>, std::allocator<char> >, std::basic_string<char,
> std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>},
> <No data fields>}, _M_header = {_M_color = std::_S_red, _M_parent =
> 0x9f05088,
> _M_left = 0x9f05088, _M_right = 0x9f05088}, _M_node_count = 1}}},
> last_changed = {tv = {tv_sec = 1307667829, tv_nsec = 465852000}}, created =
> {
> tv = {tv_sec = 1307667829, tv_nsec = 465852000}},
> rank_name = {<std::_Vector_base<std::basic_string<char,
> std::char_traits<char>, std::allocator<char> >,
> std::allocator<std::basic_string<char, std::char_traits<char>,
> std::allocator<char> > > >> = {
> _M_impl = {<std::allocator<std::basic_string<char,
> std::char_traits<char>, std::allocator<char> > >> =
> {<__gnu_cxx::new_allocator<std::basic_string<char, std::char_traits<char>,
> std::allocator<char> > >> = {<No data fields>}, <No data fields>}, _M_start
> = 0x9f05128, _M_finish = 0x9f0512c,
> _M_end_of_storage = 0x9f0512c}}, <No data fields>}, rank_addr =
> {<std::_Vector_base<entity_addr_t, std::allocator<entity_addr_t> >> = {
> _M_impl = {<std::allocator<entity_addr_t>> =
> {<__gnu_cxx::new_allocator<entity_addr_t>> = {<No data fields>}, <No data
> fields>},
> _M_start = 0x9f05138, _M_finish = 0x9f051c0, _M_end_of_storage =
> 0x9f051c0}}, <No data fields>}}
>
>
>
>
> Thanks,
> Dyweni
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