Re: Emacs 22.0.50.1 crash on make_uninit_multibyte_string

[Kim F. Storm]

I took a quick look at VM, and found this:

> ;;(provide 'vm-byteopts)
>  
> ;; get the compiler loaded so we can undo some of the things that
> ;; happen when it's loaded.
> (load "bytecomp" t t nil)
> ;; Emacs 19 byte compiler complains about too much stuff by default.
> ;; Turn off most of the warnings here.
> (setq byte-compile-warnings '(free-vars))
> ;; need to use these variables for v18 support.
> ;; stifle the compiler.
> (put 'inhibit-local-variables 'byte-obsolete-variable nil)
> ;; Turn off dynamic docstrings and lazy function loading.  This
> ;; is a new feature of FSF Emacs 19.29, and is incompatible
> ;; with pre-19.29 versions of FSF Emacs and all version of Lucid
> ;; Emacs / XEmacs.  I like being able to share .elc files between
> ;; different v19 Emacses.
> (setq byte-compile-dynamic nil)
> (setq byte-compile-dynamic-docstrings nil)
> ;; avoid v20 features because users are going
> ;; to try to share elc files no matter what we tell them.
> (setq byte-compile-emacs19-compatibility t)
>  
> (provide 'vm-byteopts)


I wonder if some of these settings may trigger some unusual
byte-code pattern which we don't normally see in emacs 22.x ???


Daniel Barrett <dbarrett@blazemonger.com> writes:

> On September 8, 2005, Kim F. Storm wrote:
>>Daniel Barrett <dbarrett@blazemonger.com> writes:
>>> On September 8, 2005, Kim F. Storm wrote:
>>>>Can you provide an "xbacktrace" and "bt full" backtrace.
>
> (gdb) xbacktrace
> "vm-left-justify-string"
> "vm-reencode-mime-encoded-words-in-string"
> "format"
> "list"
> "eval"
> "vm-summary-sprintf"
> "vm-su-summary"
> "vm-stuff-attributes"
> "vm-stuff-virtual-attributes"
> "vm-set-xxxx-flag"
> "vm-set-new-flag"
> "vm-show-current-message"
> "vm-scroll-forward"
> "call-interactively"
>
> (gdb) bt full
> #0  make_uninit_multibyte_string (nchars=85, nbytes=85) at alloc.c:1880
>         string = Variable "string" is not available.
>
>>Please use M-x report-emacs-bug to include proper information
>>about your emacs version and environment, including additional
>>information about the crash (as instructed).
>
> In GNU Emacs 22.0.50.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2005-07-19 on spinky
> X server distributor `The XFree86 Project, Inc', version 11.0.40399902
> configured using `configure '--prefix' '/usr/local/emacs-dev''
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: C
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: en_US.UTF-8
>   locale-coding-system: utf-8
>   default-enable-multibyte-characters: nil
>
> Major mode: VM Summary
>
> Minor modes in effect:
>   mouse-wheel-mode: t
>   tooltip-mode: t
>   auto-compression-mode: t
>   global-font-lock-mode: t
>   blink-cursor-mode: t
>   unify-8859-on-encoding-mode: t
>   utf-translate-cjk-mode: t
>   line-number-mode: t
>   next-error-follow-minor-mode:  Fol
>
> Recent input:
> [irrelevant -- run much later than the bug occurrence]
>
> Recent messages:
> Reordering messages... done
> 48 messages, 0 new, 0 unread, 0 deleted
> Generating summary... 40
> Generating summary markers... 
> Generating summary... done
> 48 messages, 0 new, 0 unread, 0 deleted
> Checking for new mail for /home/dbarrett/.Mail/emacs...
> 48 messages, 0 new, 0 unread, 0 deleted
> Mark set
> Loading emacsbug...done
>
>

-- 
Kim F. Storm <storm@cua.dk> http://www.cua.dk