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List:       linux-rt
Subject:    Re: [Xpert] Re: [rtl] Re: Virge DX and accel. introduced latency? (was  Re: [Xpert]XFree86in realtim
From:       yodaiken () fsmlabs ! com
Date:       2000-11-27 0:12:34
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On Sun, Nov 26, 2000 at 01:51:21PM -0800, Mark Vojkovich wrote:
>   Retries seem to occur most easily when full blits and color
> expansion are used together.  Text scrolling in an xterm would

What Alan Cox says, if I understand correctly, is that the problem is
not retries, but that the card locks the bus on a write if the fifo
is full. This is a violation of PCI specs, but Alan laughed at me
when I complained.


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Victor Yodaiken 
Finite State Machine Labs: The RTLinux Company.
 www.fsmlabs.com  www.rtlinux.com

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