GNU bug report logs - #74805
30.0.92; Trying to build scratch/igc on Cygwin

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Package: emacs;

Reported by: Ken Brown <kbrown <at> cornell.edu>

Date: Wed, 11 Dec 2024 22:56:02 UTC

Severity: normal

Found in version 30.0.92

Done: Ken Brown <kbrown <at> cornell.edu>

Bug is archived. No further changes may be made.

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Message #89 received at 74805 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Ken Brown <kbrown <at> cornell.edu>
Cc: Gerd Möllmann <gerd.moellmann <at> gmail.com>,
 74805 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>,
 Richard Brooksby <rb <at> ravenbrook.com>
Subject: Re: bug#74805: 30.0.92; Trying to build scratch/igc on Cygwin
Date: Mon, 27 Jan 2025 18:00:22 +0000

Pip Cet <pipcet <at> protonmail.com> writes:

> The most unusual thing seems to be that pageSize / ArenaGrainSize is so
> large (64 KB).  Maybe that simply means that TEST_ARENA_SIZE needs to be
> increased?

Changing ARENA_CLIENT_GRAIN_SIZE to 65536 makes the test fail here, too,
also when the counter reaches 2730 tracts per page in the page table.

Changing

#define TEST_ARENA_SIZE              ((Size)16<<22)

to

#define TEST_ARENA_SIZE              ((Size)16<<25)

fixes it again.  My best guess is that

#define TEST_ARENA_SIZE (ARENA_CLIENT_GRAIN_SIZE << 13)

would make the arena large enough not to fail the test on all systems.

If you can confirm, we should open an issue for this in the MPS
repository (still at GitHub, I assume).  If tehre isn't one already :-)

Pip
This bug report was last modified 102 days ago.

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