GNU bug report logs - #50453
27.2; Portable dumper broken on MSW

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Package: emacs;

Reported by: Po Lu <luangruo <at> yahoo.com>

Date: Tue, 7 Sep 2021 12:47:02 UTC

Severity: normal

Tags: moreinfo

Found in version 27.2

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Po Lu <luangruo <at> yahoo.com>
Cc: 50453 <at> debbugs.gnu.org
Subject: bug#50453: 27.2; Portable dumper broken on MSW
Date: Thu, 09 Sep 2021 19:28:25 +0300

> From: Po Lu <luangruo <at> yahoo.com>
> Cc: 50453 <at> debbugs.gnu.org
> Date: Thu, 09 Sep 2021 20:55:02 +0800
> 
> If VM_SUPPORTED is defined to 0, Emacs loads the pdmp file normally.
> Perhaps Emacs could test for is_window_9x (), and if affirmative, fall
> back to using dump_mmap_contiguous_heap?

It's possible, but only as the last resort, because it will cause the
startup to be much slower.

How did you try that?  Did you rebuild Emacs?  If so, I would like you
to try a different change first, before we decide to give up on the
memory-mapped file approach.
This bug report was last modified 2 years and 331 days ago.

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