Normally I'd go straight to the writer of the driver with this problem but
he's anonymous, soo...
I've been getting the same hard freezes as a lot of people who are trying to
use Neomagic nm256 audio. What's causing the lockups, at least on my Dell
Latitude LS, is the ac97_codec driver trying to read (not write) a few
standard AC97 registers. In particular anytime the AC97_RESET register
(defined in ac97.h as 0x00) is accessed the machine instantly crashes. This
also occurs for several other registers. Does anyone have any idea why this
might be occuring? It's not like the driver is trying to _write_ to any
memory - at least then the crashes would make a little bit of sense. Just
reading those registers kills it. The Windows drivers for this chip work
fine; I wish I knew a bit more about how to delve into the interals of
Windows so I could see just how that driver finesses the AC97 registers
without locking the machine. Is anyone aware of any sort of conflict that
I'm missing here? Advice on how to proceed? Thanks!
John
jctdrix@hotmail.com
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