freebsd/pandaboard Spurious interrupt detected [0x000003ff]

[Ian Lepore]

On Mon, 2013-11-04 at 11:10 +1100, David Cheney wrote:
> Hello,
> 
> I recently built a FreeBSD-CURRENT image for pandaboard (original, not
> ES), the console is flooded with these messages
> 
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> Spurious interrupt detected [0x000003ff]
> 
> After bootup they settle down and at a guess are related to sd card
> access. The host appears to be working ok, but it is hard to tell as
> the messages can be pretty constant
> 
> root at pandaboard:~ # uname -a
> FreeBSD pandaboard 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r257562: Sun
> Nov  3 21:01:11 EST 2013
> root at deadwood.local:/root/crochet-freebsd/work/obj/arm.armv6/usr/src/sys/PANDABOARD
>  arm
> 
> Can anyone offer any assistance ?
> 
> Cheers
> 

If it is the sdcard, the attached patch might help.  Or it might fail
completely. :)  It switches over to a rewritten sd driver for TI chips,
but so far it has only been tested on the am335x, not OMAP3/4.  If it
works it should give you much better performance than the old driver.

-- Ian


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