From owner-freebsd-current  Mon Aug  2 12:12:18 1999
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To: Maxim Sobolev <sobomax@altavista.net>
Cc: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>,
	Mike Smith <mike@smith.net.au>, FreeBSD-current@FreeBSD.ORG
Subject: Re: APM related panic 
In-reply-to: Your message of "Mon, 02 Aug 1999 22:10:00 +0300."
             <37A5ED08.F2441B45@altavista.net> 
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Date: Mon, 02 Aug 1999 12:05:04 -0700
From: Mike Smith <mike@smith.net.au>
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> Hi!
> 
> Thanks, seems your patch did the trick (panic gone). Following is dmesd:

Thanks for the confirmation; I've made an even more pessimistic patch 
that should cover your situation.  Please let me know if your next CTM 
works correctly.

Thanks for the quick bug report too!

> apm_probe: APM bios gave zero len code16, pegged to 64K
> apm_probe: APM bios gave zero len data, tentative 64K
> apm0: <APM BIOS> on motherboard
> apm: APM BIOS version 0102
> apm: Code16 0xc00f0000, Data 0xc00fdfa0
> apm: Code entry 0x00008010, Idling CPU enabled, Management enabled
> apm: CS_limit=0xffff, DS_limit=0xffff
> apm: Engaged control enabled
> apm: found APM BIOS v1.2, connected at v1.2
> apm: Slow Idling CPU enabled
> Add hook "default suspend"
> Add hook "default resume"
> 
> Sincerely,
> 
> Maxim
> > # sorry to break the thread, I'm a digest reader...
> >
> > Hi,
> >
> > > > apm0: <APM BIOS> on motherboard
> > > > apm: APM BIOS version 0102
> > > > apm: Code16 0xc00f0000, Data 0xc00fdfa0
> > > > apm: Code entry 0x00008010, Idling CPU enabled, Management enabled
> 
> > > > apm: CS_limit=0x0, DS_limit=0x0
> >
> > > These limits look pretty suspect, although the code segment below
> looks
> > > OK.
> >
> > I suspect too, especially ds limit.
> > I've seen such bogus 1.2 APM BIOSes before.  I hope attached patch
> > help you (for /sys/i386/apm/apm.c).
> >
> > P.S.
> > Thank you for enhanced APM code, mike.  I had enjoy last week end to
> > study the new code.  Some of my concerns about APM gone :-)
> 
> 
> 

-- 
\\  The mind's the standard       \\  Mike Smith
\\  of the man.                   \\  msmith@freebsd.org
\\    -- Joseph Merrick           \\  msmith@cdrom.com




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