Subject: Re: LLSC MEM test?
To: Chris G. Demetriou <cgd@netbsd.org>
From: Wilko Bulte <wilko@yedi.iaf.nl>
List: port-alpha
Date: 06/07/1999 19:57:49
As Chris G. Demetriou wrote ...
> Paul Mather <paul@gromit.dlib.vt.edu> writes:
> > >>> test mem
> > T-STS-MEM - LLSC Test: Addr 00800000 FWD Wr 00000000
> > ? T-ERR-MEM - stl_c bcache miss with victim at Addr: 00d91bb8
> > T-STS-MEM - Uncorrected Error count = 1
> > ? T-ERR-MEM - FAILED status = 20 test Init addr = 00d91bb8
> > ?? 810       MEM 0x0020
> > [ ... ]
> > So, what is actually failing here?  Note: that this DEC3000/300LX also
> > fails the CXT test with what appears to be a stuck-at fault in the
> > framebuffer RAM.  Is there some other RAM that's failing in the LLSC
> > test other than the on-board SIMMs?  If so, is it on the CPU card, or
> > the mainboard?
> 
> So, I don't have much insight into what exactly the test is doing, but
> it mentiones the 'bcache', i.e. the 'backup cache', DEC's name for the
> secondary cache on those boxes.
> 
> The fact that i mentiones that makes me think there's something wrong
> with your cache...

I'll try to ask our Alpha repair guru at work tomorrow if there is more
detail that can be gleaned from the error. Stay tuned.

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