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Re: pdumper: M-x profiler-start crashes

From: martin rudalics
Subject: Re: pdumper: M-x profiler-start crashes
Date: Fri, 16 Feb 2018 10:24:49 +0100

>> M-x profiler-start RET cpu RET immediately crashes emacs.
> Can you please run this under a debugger and show the full backtrace
> from the crash?  It is usually better to do that in an unoptimized
> build, because otherwise backtraces could mislead.

Here (on Windows XP) it gets me

(gdb) bt
#0  0x00000000 in ?? ()
#1  0x011c2fa8 in hash_lookup (h=0x64f52a8, key=XIL(0x6624dbd), hash=0x68bfea0) 
at ../../src/fns.c:3978
#2  0x012277fa in record_backtrace (log=0x64f52a8, count=1) at 
#3  0x0122797e in handle_profiler_signal (sys_signal=19) at 
#4  0x0112a8e7 in deliver_process_signal (sig=19, handler=0x12278e5 
<handle_profiler_signal>) at ../../src/sysdep.c:1713
#5  0x0122799d in deliver_profiler_signal (sys_signal=19) at 
#6  0x012735c3 in timer_loop (arg=0x22e4800 <prof_itimer>) at 
#7  0x7c80b683 in KERNEL32!GetModuleFileNameA () from 
#8  0x00000000 in ?? ()

Lisp Backtrace:
"file-remote-p" (0x82b89c)
"redisplay_internal (C function)" (0x0)
"redisplay" (0x82eac4)
"sit-for" (0x82edbc)
"execute-extended-command" (0x82f248)
"funcall-interactively" (0x82f244)
"call-interactively" (0x82f4f0)
"command-execute" (0x82f82c)


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