From owner-freebsd-alpha  Tue Aug  1 13:46:39 2000
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From: Andrew Gallatin <gallatin@cs.duke.edu>
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Date: Tue,  1 Aug 2000 16:46:34 -0400 (EDT)
To: John Baldwin <jhb@pike.osd.bsdi.com>
Cc: alpha@FreeBSD.ORG
Subject: Re: Problems with a PW500au
In-Reply-To: <200008011955.MAA39698@pike.osd.bsdi.com>
References: <200008011955.MAA39698@pike.osd.bsdi.com>
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John Baldwin writes:
 > Hey gang,
 > 
 > I have a PW500au here at work that I use to test patches on, etc. but
 > I've been having problems with it recently.  First, I've yet to get a video
 > card that actually works properly in it.  So far:

What PCI slots are the problematic cards plugged into?  I've heard
that most video cards don't work well or at all behind the ppb which
separates the 3 32-bit slots from the primary pci bus.

Try putting your card in a 64-bit slot.  Read
/usr/src/release/texts/alpha/HARDWARE.TXT and search for
pci_device_override before doing this.

<...>

 > 
 > My second issue is that it seems to die during high load, i.e. when building
 > world, or compiling X or Xemacs.  It will simply die and drop into SRM with
 > 
 > kernel stack invalid halt
 > PC = 0xffffXXXXXXXXXX
 > XXXXX -- HWPRB invalid.
 > 
 > It then has to be cold-booted to be usable again.

Thats BAD.  Are you running the latest firmware (it also corrects some 
video problems.). see ftp://ftp.digital.com/pub/DEC/Alpha/firmware/index.html

It might be helpful to know what version of FreeBSD you're running &
what sort of hardware is connected.

Cheers,

Drew


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