SIG11 in garbage collection, latest CVS (further testing)
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In XEmacs 21.2 (beta19) "Shinjuku" [Lucid] (i586-pc-linux) of Thu Oct 7 1999
on morrigan
configured using `configure '--cflags=-fno-strict-aliasing -O -g' --libs=-ldl
--with-modules --debug=no --error-checking=none'
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
As in my previous bug report, I compiled with '-fno-strict-aliasing' to
determine if this was the cause of the problems with the gcc 2.95.2(pre)
compiler from debian unstable.
The problem occurred again, in a different location. I had been testing
with picons disabled in gnus as it seemed to be related to garbage
collection of images. There had been no images displayed or used to this
point, I believe.
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(gdb) run
Starting program: /usr/local/bin/xemacs
Program received signal SIGSEGV, Segmentation fault.
0x403e8ea0 in free () from /lib/libc.so.6
(gdb) where
#0 0x403e8ea0 in free () from /lib/libc.so.6
#1 0x403e8d3e in free () from /lib/libc.so.6
#2 0x8050bf9 in xfree (block=0x8b3a808) at alloc.c:324
#3 0x8052b1c in sweep_lcrecords_1 (prev=0x8b2612c, used=0xbfffef88)
at alloc.c:2643
#4 0x80538ab in gc_sweep () at alloc.c:3209
#5 0x8053dd1 in garbage_collect_1 () at alloc.c:3528
#6 0x8053f89 in Fgarbage_collect () at alloc.c:3618
#7 0x8079389 in Ffuncall (nargs=1, args=0xbffff1e4) at eval.c:3195
#8 0x805da82 in Fcall_interactively (function=135937980,
record_flag=135936804, keys=135936780) at callint.c:525
#9 0x80784b4 in Fcommand_execute (cmd=135937980, record=135936804,
keys=135936780) at eval.c:2629
#10 0x80793be in Ffuncall (nargs=3, args=0xbffff338) at eval.c:3195
#11 0x805ab19 in execute_optimized_program (
program=0x898a688
"\b\030Á\bÂa«\004ê$\bÄk«\004Ū\034\b¨«\aÆÇ\b\"ª\022\b:«\r\b＠¨«\bÆÇ\b＠\"ª\002È!\026\t)\016\n«Ut«RË\016\t!\016\t\036\f\036\rÎ\016\tÏ\"\210\016\r<\016\020¬\023Ñ
Ò a«\aÓ pa«\006Ô \210ª\004Õ \210Ö×!\036ØÙÆ\016\rA«\004Úª\
002Û\016\fÜ\016\r!#\"\210Ö\016\035!\210ÞÙ!*\207Î\016\tÏ\"\207¨",
stack_depth=7, constants_data=0x824ec48) at bytecode.c:743
#12 0x805a80f in funcall_compiled_function (fun=136603356, nargs=1,
args=0xbffff478) at bytecode.c:516
#13 0x80794cb in Ffuncall (nargs=2, args=0xbffff474) at eval.c:3227
#14 0x805e5af in Fcall_interactively (function=136638652,
record_flag=135936780, keys=135936780) at callint.c:946
#15 0x80784b4 in Fcommand_execute (cmd=136638652, record=135936780,
keys=135936780) at eval.c:2629
#16 0x80993c6 in execute_command_event (command_builder=0x8218ee8,
event=145031960) at event-stream.c:4343
---Type <return> to continue, or q <return> to quit---
#17 0x80998be in Fdispatch_event (event=145031960) at event-stream.c:4682
#18 0x8061f32 in Fcommand_loop_1 () at cmdloop.c:575
#19 0x8061d85 in command_loop_1 (dummy=135936780) at cmdloop.c:490
#20 0x807700a in condition_case_1 (handlers=135936876,
bfun=0x8061d6c <command_loop_1>, barg=135936780,
hfun=0x80618c0 <cmd_error>, harg=135936780) at eval.c:1646
#21 0x80619b3 in command_loop_3 () at cmdloop.c:252
#22 0x80619d7 in command_loop_2 (dummy=135936780) at cmdloop.c:263
#23 0x8076d0c in internal_catch (tag=136010708,
func=0x80619cc <command_loop_2>, arg=135936780, threw=0x0) at eval.c:1321
#24 0x8061b1e in initial_command_loop (load_me=135936780) at cmdloop.c:301
#25 0x8073ea9 in xemacs_21_2_b19_i586_pc_linux () at emacs.c:1816
#26 0x80745c0 in voodoo_free_hook (mem=0x1) at emacs.c:2241
#27 0x403b178a in __libc_start_main () from /lib/libc.so.6
(gdb) quit
The program is running. Exit anyway? (y or n) y
[26] xemacs$
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