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List:       xfree86-devel
Subject:    slight bug with i810 driver (2)
From:       loic.mahe () regis-dgac ! net
Date:       2008-07-04 13:38:20
Message-ID: OFB79DD2C6.22D886B7-ONC125747B.0046908C-C125747C.004AEBFE () aviation-civile ! gouv ! fr
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Further informations about this bug :

I've found the guilty patch : 4.5.99.3-4.5.99.4.diff.bz2, which indeed has 
a big update of the i810.
But I have no clue how to correct it.

Some other points :

- removing the vga=0x317 kernel option makes the symptom different : no 
portion of XFree displays
on the console, but there are plenty of pixels which anyway make the 
console unusable. So the
frambuffer seems corrupted with or without the vga option.

- adding Option "ShadowFB" "yes" solves the problem, but of course XFree 
doesn't use hardware acceleration
in that case.

Hope this helps.

Loïc Mahé - Toulouse - France
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<br><font size=2 face="sans-serif">Further informations about this bug
:</font>
<br>
<br><font size=2 face="sans-serif">I've found the guilty patch : <u>4.5.99.3-4.5.99.4.diff.bz2</u>,
which indeed has a big update of the i810.</font>
<br><font size=2 face="sans-serif">But I have no clue how to correct it.</font>
<br>
<br><font size=2 face="sans-serif">Some other points :</font>
<br>
<br><font size=2 face="sans-serif">- removing the vga=0x317 kernel option
makes the symptom different : no portion of XFree displays</font>
<br><font size=2 face="sans-serif">on the console, but there are plenty
of pixels which anyway make the console unusable. So the</font>
<br><font size=2 face="sans-serif">frambuffer seems corrupted with or without
the vga option.</font>
<br>
<br><font size=2 face="sans-serif">- adding Option &quot;ShadowFB&quot;
&quot;yes&quot; solves the problem, but of course XFree doesn't use hardware
acceleration</font>
<br><font size=2 face="sans-serif">in that case.</font>
<br>
<br><font size=2 face="sans-serif">Hope this helps.</font>
<br>
<br><font size=2 face="sans-serif">Loïc Mahé - Toulouse - France</font>
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