[Gridflow-dev] repeatable segfault in current cvs at grid.c.fcs:384

Wed Apr 26 06:01:21 EDT 2006

Hi all,

Here's a simple patch that segfaults gridflow, the same way each time

claude at minimus ~/Build/gridflow-cvs/gridflow $ gdb pd
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This GDB was configured as "i686-pc-linux-gnu"...Using host libthread_db 
library "/lib/libthread_db.so.1".

(gdb) run -verbose -stderr -lib gridflow -open ../test-store-cast.pd
Starting program: /usr/local/bin/pd -verbose -stderr -lib gridflow -open 
../test-store-cast.pd
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 18110)]
input channels = 0, output channels = 0
Pd version 0.39-2
compiled 18:11:34 Mar 30 2006
port 5400
Waiting for connection request...
TCL_LIBRARY="/usr/local/lib/pd/tcl/library" 
TK_LIBRARY="/usr/local/lib/pd/tk/library" 
"/usr/local/lib/pd/bin/pd-gui" 5400
... connected
opened 0 MIDI input device(s) and 0 MIDI output device(s).
input channels = 0, output channels = 0
tried /home/claude/Build/gridflow-cvs/gridflow/gridflow.pd_linux and 
succeeded
setting up Ruby-for-PureData...
tried 
/home/claude/Build/gridflow-cvs/gridflow/gridflow/gridflow.pd_linux and 
failed
tried /usr/local/lib/pd/extra/gridflow/gridflow.pd_linux and failed
tried /home/claude/Build/gridflow-cvs/gridflow/gridflow.pd_linux and 
succeeded
gridflow.pd_linux found itself in /home/claude/Build/gridflow-cvs/gridflow
we are using Ruby version 1.9.0
DIR = "/home/claude/Build/gridflow-cvs/gridflow"
Ruby's path = ["/home/claude/Build/gridflow-cvs/gridflow/..", 
"/home/claude/Build/gridflow-cvs/gridflow", 
"/home/claude/Build/gridflow-cvs/gridflow/optional/rblti", 
"/usr/lib/ruby/site_ruby/1.9", "/usr/lib/ruby/site_ruby/1.9/i686-linux", 
"/usr/lib/ruby/site_ruby", "/usr/lib/ruby/1.9", 
"/usr/lib/ruby/1.9/i686-linux", "."]
[gf] This is GridFlow 0.8.4 within Ruby version 1.9.0-2006-01-11
[gf] base/main.c was compiled on Apr 26 2006, 10:34:28
[gf] LTI support not found (#<LoadError: no such file to load -- rblti>)
[gf] startup_cpu: using MMX optimisations
[gf] GridFlow::VideoTypeFlags: [:CAPTURE, :TUNER, :TELETEXT, :OVERLAY, 
:CHROMAKEY, :CLIPPING, :FRAMERAM, :SCALES, :MONOCHROME, :SUBCAPTURE, 
:MPEG_DECODER, :MPEG_ENCODER, :MJPEG_DECODER, :MJPEG_ENCODER]
[gf] GridFlow::VideoTunerFlags: [:PAL, :NTSC, :SECAM, :LOW, :NORM, 
:DUMMY5, :DUMMY6, :STEREO_ON, :RDS_ON, :MBS_ON]
[gf] GridFlow::VideoChannelFlags: [:TUNER, :AUDIO]
[gf] GridFlow::VideoPalette: [[:NIL, :GREY, :HI240, :RGB565, :RGB24, 
:RGB32, :RGB555, :YUV422, :YUYV, :UYVY, :YUV420, :YUV411, :RAW, 
:YUV422P, :YUV411P, :YUV420P, :YUV410P]]
[gf] GridFlow::VideoTunerMode: [:PAL, :NTSC, :SECAM, :AUTO]
tried /home/claude/Build/gridflow-cvs/gridflow/../test-store-cast.pd and 
succeeded
pre: 249
pre: 62
pre: 267
pre: -19
pre: 57
pre: 228
pre: -318
pre: 220
pre: 412
pre: -504
pre: -422
pre: 390
pre: -88
pre: 343
pre: 78
pre: -7
pre: -308
pre: -131
pre: -133
pre: -450

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 18110)]
0xb70cfc99 in GridOutlet::send<unsigned char> (this=0x8446150, n=4096, 
data=0xb6813020 "") at grid.c.fcs:384
384             for (int i=0; i<n; i++) out[i]=(T)in[i];
Current language:  auto; currently c++
(gdb) bt
#0  0xb70cfc99 in GridOutlet::send<unsigned char> (this=0x8446150, 
n=4096, data=0xb6813020 "") at grid.c.fcs:384
#1  0xb719d0c3 in GridCast::grin_0<unsigned char> (this=0x82d7b00, 
in=0x0, n=0, data=0xb6813020 "") at grid.h.fcs:386
#2  0xb719d1e6 in GridCast::grinw_0<unsigned char> (in=0x0, n=4096, 
data=0xb6813020 "") at flow_objects.c.fcs:69
#3  0xb70c5184 in GridInlet::flow<unsigned char> (this=0x83f4860, 
mode=4, n=4096, data=0xb6813020 "") at grid.h.fcs:818
#4  0xb70caa31 in GridOutlet::send_direct<unsigned char> 
(this=0x84462b0, n=921600, data=0xb6813020 "") at stl_vector.h:462
#5  0xb70cf645 in GridOutlet::send<unsigned char> (this=0x84462b0, 
n=921600, data=0x84462b0 "\200«?·E=q`\001") at grid.c.fcs:408
#6  0xb71beab6 in GridStore::grin_0<int> (this=0x82a8070, in=0x83e8a30, 
n=1, data=0x84b3d40) at grid.h.fcs:386
#7  0xb71c18e6 in GridStore::grinw_0<int> (in=0x0, n=1, data=0x84b3d40) 
at flow_objects.c.fcs:238
#8  0xb70c2090 in GridInlet::from_grid2<int> (this=0x83e8a30, 
g=0xbf91d6c0, foo=0) at grid.h.fcs:818
#9  0xb70b910f in GridInlet::from_grid (this=0x83e8a30, g=0xbf91d6c0) at 
grid.c.fcs:334
#10 0xb70bf7bd in GridObject::method_missing (this=0x82a8070, argc=2, 
argv=0xbf91d9e0) at grid.h.fcs:854
#11 0xb70c0484 in GridObject::method_missing_wrap (argc=2, 
argv=0xbf91d9e0, rself=3070094700) at grid.c.fcs:557
#12 0xb7686626 in rb_exec_recursive () from /usr/lib/libruby19.so.1.9
#13 0xb7677ba7 in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#14 0xb7677e83 in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#15 0xb7678393 in rb_funcall2 () from /usr/lib/libruby19.so.1.9
#16 0xb767702c in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#17 0xb7677ebd in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#18 0xb7678393 in rb_funcall2 () from /usr/lib/libruby19.so.1.9
#19 0xb70b511c in send_in_2 (h=0xbf91dd30) at main.c.fcs:172
#20 0xb7676cba in rb_ensure () from /usr/lib/libruby19.so.1.9
#21 0xb70b1929 in FObject::send_in (this=0x0, argc=0, argv=0x0) at 
main.c.fcs:181
#22 0xb70b1a14 in FObject::send_in_wrap (argc=4, argv=0xbf91dff0, 
rself=3070094700) at main.c.fcs:179
#23 0xb7686626 in rb_exec_recursive () from /usr/lib/libruby19.so.1.9
#24 0xb7677ba7 in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#25 0xb7677e83 in rb_with_disable_interrupt () from 
/usr/lib/libruby19.so.1.9
#26 0xb7678393 in rb_funcall2 () from /usr/lib/libruby19.so.1.9
#27 0xb7f032a4 in BFObject_method_missing_1 (fm=0xbf91e160) at 
puredata.c.fcs:215
#28 0xb7676969 in rb_rescue2 () from /usr/lib/libruby19.so.1.9
#29 0xb7f033e6 in BFObject_method_missing0 (self=0xb7f03130, s=0x0, 
argc=0, argv=0x0) at puredata.c.fcs:236
#30 0x080aa19d in pd_typedmess (x=0x8302d58, s=0x82deaa0, argc=2, 
argv=0x811b468) at m_class.c:749
#31 0x080ac207 in outlet_anything (x=0x0, s=0x82deaa0, argc=2, 
argv=0x811b468) at m_obj.c:387
#32 0x080aa19d in pd_typedmess (x=0x82c438c, s=0x82deaa0, argc=2, 
argv=0x811b468) at m_class.c:749
#33 0x080aebc8 in binbuf_eval (x=0x0, target=0x82c438c, argc=1, 
argv=0xbf91e370) at m_binbuf.c:574
#34 0x0805f7db in message_float (x=0x0, f=0) at g_text.c:300
#35 0x080ac06f in outlet_float (x=0x0, f=-450) at m_obj.c:354
#36 0x080ef5bf in trigger_list (x=0x82c4430, s=0x0, argc=1, 
argv=0xbf91e3e0) at x_connective.c:977
#37 0x080efba7 in trigger_float (x=0x0, f=0) at x_connective.c:1024
#38 0x080ac06f in outlet_float (x=0x0, f=-450) at m_obj.c:354
#39 0x080ac06f in outlet_float (x=0x0, f=62) at m_obj.c:354
#40 0x080f4a96 in random_bang (x=0x82cbe88) at x_misc.c:67
#41 0x080abf6b in outlet_bang (x=0x0) at m_obj.c:328
#42 0x080f525a in metro_tick (x=0x8297830) at x_time.c:87
#43 0x080b4edb in m_scheduler () at m_sched.c:355
#44 0x080b77b2 in sys_main (argc=7, argv=0x8238410) at s_main.c:292
#45 0x080c15fe in main (argc=0, argv=0x0) at s_entry.c:27
(gdb)
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