From owner-freebsd-alpha  Tue Apr 25 17:14:49 2000
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To: Andrew Gallatin <gallatin@cs.duke.edu>
Cc: naddy@mips.rhein-neckar.de (Christian Weisgerber),
	freebsd-alpha@freebsd.org, yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject: Re: vidcontrol kills 4.0-STABLE 
Inreply-to: Your message of "Mon, 24 Apr 2000 21:39:31 -0400."
             <14596.62653.979522.393187@grasshopper.cs.duke.edu> 
References: <8e27qa$2u90$1@bigeye.rhein-neckar.de>  <14596.62653.979522.393187@grasshopper.cs.duke.edu> 
Date: Wed, 26 Apr 2000 09:21:10 +0900
From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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[...]
> > # vidcontrol -i adapter </dev/ttyv0
> > 
> > I'm not sure what happened exactly since I won't have access to
> > the console before tomorrow. The box doesn't respond to ping and
> > it doesn't get up again, so it looks pretty fatal.
> > 
> > Can anybody else reproduce this?
>
>
>The machine probably crashed.  I've duplicated the crash on my home
>box:
[...]
>The problem is the call to vtophys around line of sys/dev/fb.c
>>From the value in my crash, it looks like this is an IO address, not a 
>virtual address:
>
>(kgdb) p/x adp->va_info->vi_window
>$7 = 0xb8000
>
>I don't know enough about how the return values of this ioctl are used 
>to know how to fix it  My knee jerk reaction is to do the following.
>I'm wondering what the syscons author thinks?

Ah, ha, I see.  This is fine.

Kazu


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