Date: Sat, 21 Feb 2004 21:47:30 -0800 From: Gregory Neil Shapiro <gshapiro@freebsd.org> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-stable@freebsd.org Subject: Re: rndcontrol doesn't work on -STABLE? Message-ID: <20040222054729.GR62095@horsey.gshapiro.net> In-Reply-To: <20040222010209.L48887@ganymede.hub.org> References: <20040222010209.L48887@ganymede.hub.org>
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> Following instructions I found on the web to deal with rndc issues, I
> tried to sent entropy by doing the following:
> da4 at ahd1 bus 0 target 4 lun 0
> neptune# rndcontrol -s 17
> rndcontrol: setting irq 17
> rndcontrol: rndcontrol: Invalid argument
I found this comment in src/sys/i386/i386/mem.c:
/*
* XXX the data is 16-bit due to a historical botch, so we use
* magic 16's instead of ICU_LEN and can't support 24 interrupts
* under SMP.
This is right before the code that checks the irq:
if (intr < 0 || intr >= 16)
return (EINVAL);
I doubt this will be changed as it is gone in 5.X (thanks to the new
entropy gathering in -CURRENT).
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