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DragonFly users List (threaded) for 2005-01
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Re: Problems booting an SMP kernel

From: Adam K Kirchhoff <adamk@xxxxxxxxxxxx>
Date: 26 Jan 2005 13:28:44 GMT

Atte Peltomaki <koston@xxxxxx> wrote:
>> > > 	My system has the following specs.
>> > > 		-VIA VT82C686A southbridge (UDMA33/66)
>> >
>> > This chipset is pure waste, and should not be used under any
>> Seriously now, can I get some decent help?

> <more_sarcasm>
> Help you are receiving is equally decent to your equipment :P
> </more_sarcasm>

>> Does anyone have a clue as to why this is happening? Can someone at
>> least point me in the right direction? Tell me which source files to
>> look at? I just thought I would ask before diving in to the code to try

> You can try disabling the DMA mode for starters. If you want detailed
> information about the chip and how to work around it's broken-ness, I
> suggest you take a look at the Linux VIA 82C686x driver. There are many
> known bugs in the hardware, afaik they're mostly related to DMA mode.

>> "fuck off and get a good system lamer." From reading archives of this

> I'm sorry if this is how you perceived it. I have had a motherboard
> equipped with the chip in question, and it was enough for me to form
> a quite strong opinion about it. 

I also had a system with that chipset and, quite frankly, it worked
quite well in XP, Linux, BeOS, and FreeBSD.  The only problems I ever
had were with shared IRQs on some cheapo PCI cards. 

Perhaps the problems you were experiencing, Atte, had more to do with
the user than with the chipset.


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