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bug#22790: 24.5; Infinite loop involving malloc called from signal handl


From: Eli Zaretskii
Subject: bug#22790: 24.5; Infinite loop involving malloc called from signal handler
Date: Wed, 24 Feb 2016 19:51:56 +0200

> From: Andreas Gustafsson <address@hidden>
> Date: Wed, 24 Feb 2016 15:08:21 +0200
> 
> I'm using emacs and the VM package to read mail under NetBSD 6.1.5 on a
> daily basis, often working with mailboxes many tens of megabytes in
> size.  Once every few days of doing this, emacs becomes unresponsive,
> consuming 100% CPU.  I rebuilt emacs with debug symbols, and the last
> time this happened, I caught the following backtrace:

Thanks.

Is the SIGINT interrupt that shows in the backtrace the result of your
typing C-c, or did it come from something else?

In any case, when this happens next, please use the procedure
described in etc/DEBUG for locating the place where Emacs loops, and
post that information.  Backtraces generated from an infloop
interrupted in a random place tend to be random and don't provide
enough information for finding out the reasons for the loop.





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