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Date: Thu, 21 Nov 2013 13:06:44 -0500
From: SDS <sds DOT biz DOT main AT gmail DOT com>
MIME-Version: 1.0
To: cygwin AT cygwin DOT com
Subject: Re: emacs-w32/X11 24.3-7 aborts frequently
References: <528DC853 DOT 3020503 AT gmail DOT com>
In-Reply-To: <528DC853.3020503@gmail.com>
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I have some new information. I tried using

> export CYGWIN="error_start=gdb -nw %1 %2"

and I was able to catch an abort in emacs-w32 that gave no abort dialog 
box, similar to emacs-X11 aborts. The log from GDB is given below:

> (gdb) continue
> Continuing.
> [Thread 5840.0x1220 exited with code 0]
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 5840.0x112c]
> 0x0000000100551354 in wait_reading_process_output (
>     time_limit=time_limit AT entry=0, nsecs=nsecs AT entry=0,
>     read_kbd=read_kbd AT entry=-1, do_display=do_display AT entry=true,
>     wait_for_cell=wait_for_cell AT entry=4304630834,
>     wait_proc=wait_proc AT entry=0x0, just_wait_proc=just_wait_proc AT entry=0)
>     at /usr/src/debug/emacs-24.3-7/src/process.c:4677
> 4677			  if (wait_proc->gnutls_p /* Check for valid process.  */
>
> (gdb) bt
> #0  0x0000000100551354 in wait_reading_process_output (
>     time_limit=time_limit AT entry=0, nsecs=nsecs AT entry=0,
>     read_kbd=read_kbd AT entry=-1, do_display=do_display AT entry=true,
>     wait_for_cell=wait_for_cell AT entry=4304630834,
>     wait_proc=wait_proc AT entry=0x0, just_wait_proc=just_wait_proc AT entry=0)
>     at /usr/src/debug/emacs-24.3-7/src/process.c:4677
> #1  0x00000001004ab2ae in kbd_buffer_get_event (end_time=0x0,
>     used_mouse_menu=0x42a2e7, kbp=<synthetic pointer>)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:3803
> #2  read_char (commandflag=1, nmaps=2, maps=0x42a1c0, prev_event=4304630834,
>     used_mouse_menu=0x42a2e7, end_time=end_time AT entry=0x0)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:2769
> #3  0x00000001004ad463 in read_key_sequence (keybuf=keybuf AT entry=0x42a430,
>     prompt=<optimized out>,
>     dont_downcase_last=dont_downcase_last AT entry=false,
>     can_return_switch_frame=can_return_switch_frame AT entry=true,
>     fix_current_buffer=fix_current_buffer AT entry=true, bufsize=30)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:9231
> #4  0x00000001004af75e in command_loop_1 ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1459
> #5  0x0000000100510cde in internal_condition_case (
>     bfun=bfun AT entry=0x1004af540 <command_loop_1>, handlers=4304832354,
>     hfun=hfun AT entry=0x1004a58a0 <cmd_error>)
>     at /usr/src/debug/emacs-24.3-7/src/eval.c:1289
> #6  0x00000001004a09da in command_loop_2 (ignore=ignore AT entry=4304630834)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1168
> #7  0x0000000100510b9f in internal_catch (tag=<optimized out>,
>     func=func AT entry=0x1004a09b0 <command_loop_2>, arg=4304630834)
>     at /usr/src/debug/emacs-24.3-7/src/eval.c:1060
> #8  0x00000001004a5374 in command_loop ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1147
> #9  recursive_edit_1 () at /usr/src/debug/emacs-24.3-7/src/keyboard.c:779
> #10 0x00000001004a56a7 in Frecursive_edit ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:843
> #11 0x00000001005ab7d3 in main (argc=<optimized out>, argv=<optimized out>)
>     at /usr/src/debug/emacs-24.3-7/src/emacs.c:1532
>
> (gdb) continue
> Continuing.
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000100551354 in wait_reading_process_output (
>     time_limit=time_limit AT entry=0, nsecs=nsecs AT entry=0,
>     read_kbd=read_kbd AT entry=-1, do_display=do_display AT entry=true,
>     wait_for_cell=wait_for_cell AT entry=4304630834,
>     wait_proc=wait_proc AT entry=0x0, just_wait_proc=just_wait_proc AT entry=0)
>     at /usr/src/debug/emacs-24.3-7/src/process.c:4677
> 4677			  if (wait_proc->gnutls_p /* Check for valid process.  */
>
> (gdb) bt
> #0  0x0000000100551354 in wait_reading_process_output (
>     time_limit=time_limit AT entry=0, nsecs=nsecs AT entry=0,
>     read_kbd=read_kbd AT entry=-1, do_display=do_display AT entry=true,
>     wait_for_cell=wait_for_cell AT entry=4304630834,
>     wait_proc=wait_proc AT entry=0x0, just_wait_proc=just_wait_proc AT entry=0)
>     at /usr/src/debug/emacs-24.3-7/src/process.c:4677
> #1  0x00000001004ab2ae in kbd_buffer_get_event (end_time=0x0,
>     used_mouse_menu=0x42a2e7, kbp=<synthetic pointer>)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:3803
> #2  read_char (commandflag=1, nmaps=2, maps=0x42a1c0, prev_event=4304630834,
>     used_mouse_menu=0x42a2e7, end_time=end_time AT entry=0x0)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:2769
> #3  0x00000001004ad463 in read_key_sequence (keybuf=keybuf AT entry=0x42a430,
>     prompt=<optimized out>,
>     dont_downcase_last=dont_downcase_last AT entry=false,
>     can_return_switch_frame=can_return_switch_frame AT entry=true,
>     fix_current_buffer=fix_current_buffer AT entry=true, bufsize=30)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:9231
> #4  0x00000001004af75e in command_loop_1 ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1459
> #5  0x0000000100510cde in internal_condition_case (
>     bfun=bfun AT entry=0x1004af540 <command_loop_1>, handlers=4304832354,
>     hfun=hfun AT entry=0x1004a58a0 <cmd_error>)
>     at /usr/src/debug/emacs-24.3-7/src/eval.c:1289
> #6  0x00000001004a09da in command_loop_2 (ignore=ignore AT entry=4304630834)
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1168
> #7  0x0000000100510b9f in internal_catch (tag=<optimized out>,
>     func=func AT entry=0x1004a09b0 <command_loop_2>, arg=4304630834)
>     at /usr/src/debug/emacs-24.3-7/src/eval.c:1060
> #8  0x00000001004a5374 in command_loop ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:1147
> #9  recursive_edit_1 () at /usr/src/debug/emacs-24.3-7/src/keyboard.c:779
> #10 0x00000001004a56a7 in Frecursive_edit ()
>     at /usr/src/debug/emacs-24.3-7/src/keyboard.c:843
> #11 0x00000001005ab7d3 in main (argc=<optimized out>, argv=<optimized out>)
>     at /usr/src/debug/emacs-24.3-7/src/emacs.c:1532
>
> (gdb) continue
> Continuing.
> [Thread 5840.0x6a0 exited with code 3221225477]
> [Thread 5840.0x52c exited with code 3221225477]
> [Thread 5840.0xbb8 exited with code 3221225477]
> [Thread 5840.0x1408 exited with code 3221225477]
> [Thread 5840.0xa14 exited with code 3221225477]
> [Thread 5840.0xb10 exited with code 3221225477]
> [Inferior 1 (process 5840) exited with code 030000000005]


Cheers,

SDS

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