Hi Erik,
This morning's cvs for simgear is now giving me a segfault:
Fatal error: Failed to load wav file: There was already an ALC error on
entry to an ALUT function
The reported wav file is different for each aircraft, but is always the
first sound played.
> gdb bt with debug disabled:
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xa7355ae9 in *__GI_raise (sig=6)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0xa73570a7 in *__GI_abort () at abort.c:88
#3 0xa738aed7 in __libc_message (do_abort=2,
fmt=0xa7438088 "*** glibc detected *** %s: %s: 0x%s ***\n")
at ../sysdeps/unix/sysv/linux/libc_fatal.c:170
#4 0xa7390507 in malloc_printerr (action=2,
str=0xa7434f77 "corrupted double-linked list", ptr=<value optimized
out>)
at malloc.c:5891
#5 0xa7390600 in malloc_consolidate (av=0xa7454120) at malloc.c:4834
#6 0xa7391e8c in _int_free (av=0xa7454120, mem=0xf07a598) at malloc.c:4719
#7 0xa73920e2 in *__GI___libc_free (mem=0x6) at malloc.c:3626
#8 0xa75148f1 in operator delete (ptr=0x0)
at ../../../../gcc-4.2.3/libstdc++-v3/libsupc++/del_op.cc:49
#9 0x08078661 in std::_Deque_base<std::string,
std::allocator<std::string> >::_M_destroy_nodes (this=0xf07a540,
__nstart=0xf07a57c, __nfinish=0xf07a580)
at
/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../include/c++/4.2.3/ext/new_allocator.h:97
#10 0x08078699 in ~_Deque_base (this=0xf07a540)
at
/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../include/c++/4.2.3/bits/stl_deque.h:462
#11 0x0867e5a3 in ~Effect (this=0xebf53d0)
at
/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../include/c++/4.2.3/bits/stl_deque.h:742
#12 0x086ae82d in std::_Rb_tree<std::string const, std::pair<std::string
const, osg::ref_ptr<simgear::Effect> >,
std::_Select1st<std::pair<std::string const,
osg::ref_ptr<simgear::Effect> > >, std::less<std::string const>,
std::allocator<std::pair<std::string const,
osg::ref_ptr<simgear::Effect> > > >::_M_erase (
this=0x888b950, __x=0xeb3cdb0) at /usr/local/include/osg/Referenced:183
#13 0x086ae7f7 in std::_Rb_tree<std::string const, std::pair<std::string
const, osg::ref_ptr<simgear::Effect> >,
std::_Select1st<std::pair<std::string const,
osg::ref_ptr<simgear::Effect> > >, std::less<std::string const>,
std::allocator<std::pair<std::string const,
osg::ref_ptr<simgear::Effect> > > >::_M_erase (
this=0x888b950, __x=0xe8b6f80)
at
/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../include/c++/4.2.3/bits/stl_tree.h:1323
#14 0x086ab9eb in __tcf_3 ()
at
/usr/local/lib/gcc/i686-pc-linux-gnu/4.2.3/../../../../include/c++/4.2.3/bits/stl_tree.h:592
#15 0xa73586c9 in *__GI_exit (status=0) at exit.c:75
#16 0xa734337c in __libc_start_main (main=0x8068b60 <main>, argc=6,
ubp_av=0xaf902d54, init=0x8757b50 <__libc_csu_init>,
fini=0x8757b40 <__libc_csu_fini>, rtld_fini=0xa7fddb00 <_dl_fini>,
stack_end=0xaf902d4c) at libc-start.c:252
#17 0x08068951 in _start ()
After recompiling fgfs with --enable-debug it does not segfault, so no
backtrace is available. However it does Exit completely when attempting
to play the first sound.
The last few lines are:
PrecipitationEffect::update()
Cell size X=20
Cell size Y=20
Cell size Z=5
Fatal error: Failed to load wav file: There was already an ALC error on
entry to an ALUT function
at /usr/local/FlightGear/data/Sounds/rumble.wav
Closing DynamicLibrary osgPlugins-2.9.6/osgdb_png.so
Closing DynamicLibrary osgPlugins-2.9.6/osgdb_txf.so
Closing DynamicLibrary osgPlugins-2.9.6/osgdb_ac.so
Closing DynamicLibrary osgPlugins-2.9.6/osgdb_rgb.so
~RegisterWindowingSystemInterfaceProxy()
GraphicsContext::setWindowingSystemInterface() 0 0xa7727db0
Running the same hardware I reported yesterday. Oh! maybe you need to
know I have alsa-1.0.16 installed.
What else would help?
Stewart
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