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Date:      Thu, 17 Mar 2022 23:38:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 262638] overly strict check of hpet region size
Message-ID:  <bug-262638-227-6vwe89ZAWy@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-262638-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-262638-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D262638

--- Comment #2 from John F. Carr <jfc@mit.edu> ---
Lowering the minimum region size does the trick.  Now my kernel says

hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed001ff on acpi0
hpet0: vendor 0x1022, rev 0x1, 14318180Hz, 3 timers, legacy route
Timecounter "HPET" frequency 14318180 Hz quality 950
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900

With only 3 timers 512 bytes is enough address space.

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