Re: (file-error "writing to process" "bad address" #<process imap>) when Gcc-ing a group

[Tassilo Horn <tassilo@member.fsf.org>]

David Engster <deng@randomsample.de> writes:

> Well, color me surprised. I was just able to provoke the error with
> the procedure you suggested:
>
> (setq numlines 500000)
>
> (progn
>   (setq proctest 
> 	(start-process "cat" (get-buffer-create "cat") "/bin/cat"))
>   (with-temp-buffer
>     (dotimes (dummy numlines)
>       (insert 
>        (concat (number-to-string (random))
> 	       (number-to-string (random))
> 	       (number-to-string (random))
> 	       (number-to-string (random))
> 	       "\n")))
>     (process-send-region proctest (point-min) (point-max)))
>   (delete-process proctest))
>
> And sometimes(!) I get:
>
> Debugger entered--Lisp error: (file-error "writing to process" "bad address" #<process cat>)
>   process-send-region(#<process cat> 1 18672117)
>
> using Emacs from CVS (2009-02-04) on Darwin/Mac OS X. 
>
> The error doesn't always happen. I usually have to repeat the
> procedure several times until it occurs. You can increase 'numlines'
> to make it more likely. It might also be that it depends on the load
> of the system or something like that.

I tried 4 times (using emacs -Q) and always (!) got the error after some
seconds.  System load is low.

GNU Emacs 23.0.90.1 (x86_64-pc-linux-gnu, GTK+ Version 2.14.7)
of 2009-02-10 on thinkpad

> Maybe this
>
> http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=471
>
> might also be connected to this issue.

Yes, at least it sounds quite similar.

Should I report an emacs bug report for this or do you want to do it?

Bye,
Tassilo