From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Weird bug.
Date: Sun, 11 Mar 2001 12:12:39 -0500 [thread overview]
Message-ID: <20010311171242.970571998A@mail.cse.psu.edu> (raw)
There are a couple of issues here. First, for historical reasons which
I won't go into for fear of hurting feelings, the defaults used by the
SB16 driver bear no relation to the defaults on a card when you take
it out the box, so it's almost always a mistake to not specify the IRQ
and DMA in plan9.ini; for example, the default driver IRQ is 7 which
will clash with the lpt IRQ. The plan9.ini configuration for an SB16
with default hardware settings should be something like
audio0=type=sb16 port=0x220 irq=5 dma=1
Secondly, the SB16 doesn't show up in the iomap output because the driver
doesn't call the routine to register the space it uses. That's a bug we
should fix but shouldn't affect the operation of the driver (assuming there
is no actual clash with another device).
--jim
next reply other threads:[~2001-03-11 17:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-11 17:12 jmk [this message]
2001-03-12 9:58 ` Douglas A. Gwyn
2001-03-12 21:30 ` Eric Dorman
-- strict thread matches above, loose matches on Subject: below --
2001-03-12 15:49 jmk
2001-03-13 10:02 ` Julian Back
2001-03-10 5:08 jmk
2001-03-11 6:40 ` Eric Dorman
2001-03-10 0:40 Russ Cox
2001-03-10 3:23 ` Eric Dorman
2001-03-09 23:53 Eric Dorman
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