Re: generic IRQs for sparc32

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From: Robert Reif <reif@xxxxxxxxxxxxx>
Date: Tue, 02 Sep 2008 23:48:39 -0400

> David Miller wrote:
> > Here is a debugging patch against sparc-next-2.6 that might help debug
> > this:
> >
> >   
> I recompiled a new kernel from scratch starting out with a default config.
> I had to compile for size so it fit in memory.  I'm booting off a SunSwift
> sbus card if that helps.
> 
> ESP: Mapped regs at fd016000
> ESP: In esp_get_revision(), regs at fd016000
> ESP: In esp_get_revision(), about to read ESP_CFG2, regs now at fd016000
> Unable to handle kernel paging request at virtual address fd016000

It's even more mysterious now. :(

A write to the register at that address works, but a read fails.

Strange :-/
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