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fc4 problem with trace
From: |
Paul Kienzle |
Subject: |
fc4 problem with trace |
Date: |
Mon, 7 Nov 2005 18:09:35 -0500 |
User-agent: |
Mutt/1.2.5.1i |
The version of gcc I'm using is the latest update from FC4
address@hidden miscellaneous]$ yum info gcc
Setting up repositories
Reading repository metadata in from local files
Installed Packages
Name : gcc
Arch : i386
Version: 4.0.1
Release: 4.fc4
Size : 5.0 M
Repo : installed
Summary: The GNU cc and gcc C compilers.
Description:
The gcc package includes the cc and gcc GNU compilers for compiling C code.
I find there is some flakiness with this box, such as errors from the C
compiler being replaced by \hat a, and \hat a showing up on some man pages.
I have a trace of the code prior to the segfault if that helps.
- Paul
272 if (ok) switch (command[3]) {
309 if (debug)
331 octave_value_list evalargs;
332 evalargs(1) = "senderror(lasterr);";
93 octave_value& operator () (int n) { return elem (n); }
283 if (rep != a.rep)
285 if (--rep->count == 0)
288 rep = a.rep;
289 rep->count++;
332 evalargs(1) = "senderror(lasterr);";
333 evalargs(0) = context;
93 octave_value& operator () (int n) { return elem (n); }
283 if (rep != a.rep)
285 if (--rep->count == 0)
286 delete rep;
288 rep = a.rep;
289 rep->count++;
333 evalargs(0) = context;
450 static pool_type _S_pool;
334 octave_value_list fret = feval("eval",evalargs,0);
450 static pool_type _S_pool;
278 { return &((reinterpret_cast<_Rep*> (_M_data()))[-1]); }
225 if (__builtin_expect(this != &_S_empty_rep(), false))
227 if (__gnu_cxx::__exchange_and_add(&this->_M_refcount, -1)
<= 0)
228 _M_destroy(__a);
338 STATUS("done command");
59 ~string_vector (void) { }
450 static pool_type _S_pool;
273 { std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
109 { _M_deallocate(this->_M_impl._M_start,
this->_M_impl._M_end_of_storage
122 if (__p)
59 ~string_vector (void) { }
450 static pool_type _S_pool;
273 { std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
109 { _M_deallocate(this->_M_impl._M_start,
this->_M_impl._M_end_of_storage
122 if (__p)
123 _M_impl.deallocate(__p, __n);
Program received signal SIGSEGV, Segmentation fault.
0x00925e3b in __gnu_cxx::__pool<true>::_M_reclaim_block () from
/usr/lib/libstdc++.so.6
(gdb) bt
#0 0x00925e3b in __gnu_cxx::__pool<true>::_M_reclaim_block () from
/usr/lib/libstdc++.so.6
#1 0x00b07b2f in __gnu_cxx::__mt_alloc<octave_value,
__gnu_cxx::__common_pool_policy<__gnu_cxx::__pool, true> >::deallocate (
this=0xbf8cfe44, __p=0x919f538, __n=16) at
/usr/lib/gcc/i386-redhat-linux/4.0.1/../../../../include/c++/4.0.1/ext/mt_allocator.h:746
#2 0x00b05083 in process_commands (channel=8)
at
/usr/lib/gcc/i386-redhat-linux/4.0.1/../../../../include/c++/4.0.1/bits/stl_vector.h:123
#3 0x00b06aa7 in Flisten (address@hidden) at listen.cc:707
#4 0x00f57e14 in octave_builtin::do_multi_index_op (this=0x90ba220, nargout=0,
address@hidden) at ov-builtin.cc:124
#5 0x00f589e2 in octave_builtin::subsref (this=0x90ba220, address@hidden,
address@hidden, nargout=0) at ov-builtin.cc:72
#6 0x00f3baaa in octave_value::subsref (this=0xbf8d02b8, address@hidden,
address@hidden, nargout=0) at ov.cc:837
#7 0x01029399 in tree_index_expression::rvalue (this=0x91a6a38, nargout=0) at
pt-idx.cc:352
#8 0x0104fae4 in tree_statement::eval (this=0x91b0bc0, silent=false,
nargout=0, in_function_body=false) at pt-stmt.cc:137
#9 0x01050512 in tree_statement_list::eval (this=0x91a6ad8, silent=false,
nargout=0) at pt-stmt.cc:172
#10 0x00eae3f4 in main_loop (address@hidden) at toplev.cc:165
#11 0x011d0a04 in octave_main (argc=1, argv=0xbf8d06c4, embedded=0) at
octave.cc:622
#12 0x08048621 in main (argc=1, argv=0xbf8d06c4) at main.c:36
(gdb) up
#1 0x00b07b2f in __gnu_cxx::__mt_alloc<octave_value,
__gnu_cxx::__common_pool_policy<__gnu_cxx::__pool, true> >::deallocate (
this=0xbf8cfe44, __p=0x919f538, __n=16) at
/usr/lib/gcc/i386-redhat-linux/4.0.1/../../../../include/c++/4.0.1/ext/mt_allocator.h:746
746 __pool._M_reclaim_block(reinterpret_cast<char*>(__p),
__bytes);
(gdb) p __p
$4 = (octave_value *) 0x919f538
(gdb) up
#2 0x00b05083 in process_commands (channel=8)
at
/usr/lib/gcc/i386-redhat-linux/4.0.1/../../../../include/c++/4.0.1/bits/stl_vector.h:123
123 _M_impl.deallocate(__p, __n);
(gdb) p fret
$1 = {static allocator = {head = 0x0, grow_size = 256, item_size = 32},
data = {<std::_Vector_base<octave_value,std::allocator<octave_value> >> = {
_M_impl = {<std::allocator<octave_value>> =
{<__gnu_cxx::__mt_alloc<octave_value,__gnu_cxx::__common_pool_policy<__gnu_cxx::__pool,
true> >> = {<__gnu_cxx::__mt_alloc_base<octave_value>> = {<No data fields>},
<No data fields>}, <No data fields>}, _M_start = 0x0,
_M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>},
names = {<Array<std::basic_string<char, std::char_traits<char>,
std::allocator<char> > >> = {_vptr.Array = 0x1308c00, rep = 0x877e2a8,
dimensions = {rep = 0x877e2b8}, idx = 0x0, idx_count = 0}, <No data
fields>}}
gdb) p evalargs
$2 = {static allocator = {head = 0x0, grow_size = 256, item_size = 32},
data = {<std::_Vector_base<octave_value,std::allocator<octave_value> >> = {
_M_impl = {<std::allocator<octave_value>> =
{<__gnu_cxx::__mt_alloc<octave_value,__gnu_cxx::__common_pool_policy<__gnu_cxx::__pool,
true> >> = {<__gnu_cxx::__mt_alloc_base<octave_value>> = {<No data fields>},
<No data fields>}, <No data fields>}, _M_start = 0x919f538,
_M_finish = 0x919f548, _M_end_of_storage = 0x919f548}}, <No data
fields>},
names = {<Array<std::basic_string<char, std::char_traits<char>,
std::allocator<char> > >> = {_vptr.Array = 0x1308c00, rep = 0x91a6ae8,
dimensions = {rep = 0x91a6ac8}, idx = 0x0, idx_count = 0}, <No data
fields>}}
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