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Date:      Thu, 23 Feb 1995 12:41:20 -0800
From:      David Greenman <davidg@Root.COM>
To:        "Jordan K. Hubbard" <jkh@freefall.cdrom.com>
Cc:        Jeff Hoffman <jeffh@cybernetics.net>, current@FreeBSD.org, jdc@day.xinside.com
Subject:   Re: UPDATE: Imagine128 & AccelX & 950210-SNAP 
Message-ID:  <199502232041.MAA00214@corbin.Root.COM>
In-Reply-To: Your message of "Thu, 23 Feb 95 12:24:14 PST." <11566.793571054@freefall.cdrom.com> 

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>> Ok, for those of you who have been keeping up, I tried to re-install 2.0 
>> and ended up back with 950210-SNAP because my floppy didn't work with 
>> 2.0  This time, I ftp'ed the the 950210-SNAP from scratch, and did not 
>> use one single non-950210-SNAP file (except my X server).
>
>[FYI - either -hackers OR -current, but never both.  I have adjusted
> the CC line.  Thank you]
>
>> I run Xsetup again, choose Number9 I128 w/4MB, same resolution, same 
>> color depth (16 colors).  I load up X, and things are no longer OK.  
>> Before I go into depth with the problems, let me say that I ran this 
>> server under 2.0 for a while (about a month) with 0 problems.  I have not 
>> done one thing to my machine since then.  It is _EXACTLY_ the same as it 
>> was then.  _Something_ that was changed between 2.0 and 950210-SNAP is 
>> causing this problem, either directly or indirectly.  I will let the 
>> XInside people know tomorrow, as well.
>
>I'm sorry, but this is just frankly bizarre.  I can't think of
>anything except perhaps the mmap() semantics changing (David?) that
>would lead to semantics like you're describing.  The X server should

   Ummm, nothing that I know of would affect this. There were a few minor
bogons fixed in post 0210-SNAP, but these have been around forever. My
#9GXE/Pro is working just fine. I know through explict checking that it is
mmaping using /dev/mem and is mapping the a0000-ffffff range (why the whole
thing I don't know). It is not doing linear mapping on my machine with the
version of the XInside server that I'm using. Perhaps I need to tweak
something somewhere to get it to do that, and perhaps this is why I don't see
the problem? ...I dunno, but it's working fine with the stock configuration.
   Note: Jeremy Chatfield isn't on -current, so if you wish for him to see
this discourse he needs to be CC'd (which I just did).

-DG



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