* [9fans] disk dma on before init /bin/rc
@ 2009-08-13 13:00 Fernan Bolando
2009-08-13 13:18 ` erik quanstrom
0 siblings, 1 reply; 2+ messages in thread
From: Fernan Bolando @ 2009-08-13 13:00 UTC (permalink / raw)
To: Fans of the OS Plan 9 from Bell Labs
Hi all
The subject says it all.
Is it possible to turn on dma before calling the init scripts?
or in fossil+venti installation turn on dma before loading venti
fernan
--
http://www.fernski.com
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [9fans] disk dma on before init /bin/rc
2009-08-13 13:00 [9fans] disk dma on before init /bin/rc Fernan Bolando
@ 2009-08-13 13:18 ` erik quanstrom
0 siblings, 0 replies; 2+ messages in thread
From: erik quanstrom @ 2009-08-13 13:18 UTC (permalink / raw)
To: fernanbolando, 9fans
On Thu Aug 13 09:03:44 EDT 2009, fernanbolando@mailc.net wrote:
> Hi all
>
> The subject says it all.
> Is it possible to turn on dma before calling the init scripts?
> or in fossil+venti installation turn on dma before loading venti
with my new sd stuff, it is possible. put this in plan9.ini
*sdXXdma=on
you can also set maxio from plan9.ini
*idemaxio=n
i realize that one can always turn on dma once the machine
has booted, but at one point on one machine it appeared
that pio was getting sideways before one could turn dma on.
idemaxio was added for similar reasons.
- erik
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2009-08-13 13:18 ` erik quanstrom
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