On Sat, 12 May 2007 17:42:00 +0900 (JST)
yamt@mwd.biglobe.ne.jp (YAMAMOTO Takashi) wrote:

> > Andrew (or someone else), do you know what is it? I mean, why do
> > I have to change all mutexes inside of the callout to IPL_SOFTCLOCK?
> 
> have you read mutex(9)?

Yes, many times... there's no mention about when to use different
IPL types or when you shouldn't mix them.

Anyway, Matt Thomas told me that I cannot use an IPL lower than the
current IPL level, only higher.

That means that I'll have to change the ACPI mutex to IPL_SOFTCLOCK
to be happy with envsys2, or do you have any better suggestion?

-- 
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