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Date:      Sat, 30 Oct 1999 10:00:01 -0600
From:      Nate Williams <nate@mt.sri.com>
To:        Mitsuru IWASAKI <iwasaki@FreeBSD.org>
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/apm apm.c src/sys/i386/include clock.h src/sys/i386/isa clock.c
Message-ID:  <199910301600.KAA09111@mt.sri.com>
In-Reply-To: <199910301456.HAA32033@freefall.freebsd.org>
References:  <199910301456.HAA32033@freefall.freebsd.org>

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> iwasaki     1999/10/30 07:56:01 PDT
> 
>   Modified files:
>     sys/i386/apm         apm.c 
>     sys/i386/include     clock.h 
>     sys/i386/isa         clock.c 
>   Log:
>   i8254_restore is called from apm_default_resume() to reload
>   the countdown register.
>   this should not be necessary but there are broken laptops that
>   do not restore the countdown register on resume.
>   when it happnes, it messes up the hardclock interval and system clock,
>   which leads to the infamous "calcru: negative time" problem.

Thanks, this is great!


Nate


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