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bug#39962: 27.0.90; Crash in Emacs 27.0.90


From: Pieter van Oostrum
Subject: bug#39962: 27.0.90; Crash in Emacs 27.0.90
Date: Sat, 07 Mar 2020 23:07:00 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.90 (darwin)

Eli Zaretskii <address@hidden> writes:

>> From: Pieter van Oostrum <address@hidden>
>> Cc: address@hidden,  address@hidden
>> Date: Sat, 07 Mar 2020 20:14:56 +0100
>> 
>> #40 0x0000000100314bfe in Ffuncall (nargs=2, args=0x7ffeefbfea18)
>>     at eval.c:2796
>> 2796     val = funcall_lambda (fun, numargs, args + 1);
>> (gdb) p args[0]
>> $25 = XIL(0x3960)
>> (gdb) xtype
>> Lisp_Symbol
>> (gdb) xsymbol
>> $26 = (struct Lisp_Symbol *) 0x3af8
>> Cannot access memory at address 0x3b00
>> (gdb) 
>> 
>> There seems to be something fishy with the Lisp memory.
>
> Indeed.  Are you using the .gdbinit file from the same src directory
> where you built Emacs?

I run gdb from the src directory in the Emacs git repository. That's the 
standard .gdbinit that comes with the source.

In ~/.gdbinit I have:

add-auto-load-safe-path /Users/pieter/Projects/EMACS/src/.gdbinit which is the 
one I mentioned first.

> The code which produces this crash runs mapatoms, so maybe it somehow
> affects the symbols recorded in the obarray?  Can you identify the
> Lisp code which is running here?

I don't think I can find out what Lisp code was running.
-- 
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]





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