Followup to: <[EMAIL PROTECTED]>
By author:Gianluca Anzolin <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> |No, the problem is the utterly braindamaged way the motherboard chose to
> |enable/disable it (*especially* if it's PCI... sheech, port 92h isn't
> |exactly something new in tha
|No, the problem is the utterly braindamaged way the motherboard chose to
|enable/disable it (*especially* if it's PCI... sheech, port 92h isn't
|exactly something new in that timeframe.)
|
|What PC/motherboard is this, anyway?
It's an olivetti, but maybe they bought the mainboard elsewhere I don
Hi,
I've been taking some holidays and haven't followed
all of this thread closely, but:
> From: Albert D. Cahalan [mailto:[EMAIL PROTECTED]]
>
> H. Peter Anvin writes:
> > [Albert Cahalan]
> >> [Alan Cox]
>
> 1) Why did they disable my videocard ?
> >>>
> >>> Because your machine is not
Followup to: <[EMAIL PROTECTED]>
By author:Andries Brouwer <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> On Mon, Nov 27, 2000 at 05:40:58PM -0800, H. Peter Anvin wrote:
>
> > > What about adding an additional
> > >
> > > andb$0xfe, %al
> > >
> > > in front of the outb?
>
>
On Mon, Nov 27, 2000 at 05:40:58PM -0800, H. Peter Anvin wrote:
> > What about adding an additional
> >
> > andb$0xfe, %al
> >
> > in front of the outb?
> Already in test12-pre1.
Ach, I see I am too slow - had not even seen -pre1 and now Linus
already announces -pre2.
Anyway, I consi
Followup to: <[EMAIL PROTECTED]>
By author:Andries Brouwer <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> What about adding an additional
>
> andb$0xfe, %al
>
> in front of the outb?
> If I understand things correctly, bit 0 of 0x92 is write-only
> on some hardware, and w
On Mon, Nov 27, 2000 at 08:27:38PM +0100, Petr Vandrovec wrote:
> could original complainer (and peoples with AMD SC*) test following
> patch? It just does nothing in case that A20 enabled bit is already
> set - such as in case when there is nobody listening on 0x92 and
> so inb returns 0xFF...
Gianluca Anzolin wrote:
>
> Hello
> sorry if I'm mailing this twice, but there is a kernel bug in
> linux 2.2 and linux 2.4. Linux 2.0 is not affected. I tested also
> FreeBSD, OpenBSD, Windows 95 and DOS and they all work.
>
> The problem is that linux doesn't find the video car
Il giorno Mon, Nov 27, 2000 at 11:08:10AM -0800, H. Peter Anvin scrisse:
|Yes, it can. Unfortunately, some "legacy-free" PCs apparently are
|starting to take the tack that the KBC is legacy. Therefore, the use
|of port 92h is mandatory on those systems.
|
|Port 92h dates back to at the very lea
"Albert D. Cahalan" wrote:
> >
> > Yes, it can. Unfortunately, some "legacy-free" PCs apparently
> > are starting to take the tack that the KBC is legacy. Therefore,
> > the use of port 92h is mandatory on those systems.
>
> Not just embedded systems?
>
Nope. I was rather surprised to find t
H. Peter Anvin writes:
> [Albert Cahalan]
>> [Alan Cox]
1) Why did they disable my videocard ?
>>>
>>> Because your machine is not properly PC compatible
>>
>> The same can be said of systems that don't support the
>> standard keyboard controller for A20 control.
>
> Yes, it can. Unfortunat
On Mon, Nov 27, 2000 at 11:08:10AM -0800, H. Peter Anvin wrote:
> It would have been somewhat different if there had been a standard
> BIOS function for enabling A20, but there isn't one.
>
> Sometimes, in the PC world, you just have to draw a line and say "this
> is too broken to use". I think
Followup to: <[EMAIL PROTECTED]>
By author:"Albert D. Cahalan" <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> >> 1) Why did they disable my videocard ?
> >
> > Because your machine is not properly PC compatible
>
> The same can be said of systems that don't support the
> standard key
>> 1) Why did they disable my videocard ?
>
> Because your machine is not properly PC compatible
The same can be said of systems that don't support the
standard keyboard controller for A20 control.
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> inb $0x92, %al #
> orb $02, %al# "fast A20" version
> outb%al, $0x92# some chips have only this
>
> Then my system worked without problems.
>
> Now what I ask is:
> 1) Why did they disabl
Problem solved
I had to bypass the following instructions in arch/i386/boot/setup.S
#
# You must preserve the other bits here. Otherwise embarrasing
# things
# like laptops powering off on boot happen. Corrected version by
# Kira
# Brown from Linux 2.2
#
inb
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