Subject: Re: pciide performance on alpha
To: Andreas Johansson <>
From: Jason Thorpe <>
List: port-alpha
Date: 08/12/1999 14:02:45
On Thu, 12 Aug 1999 22:57:07 +0200 (CEST) 
 Andreas Johansson <> wrote:

 > Now only the problem with bad I/O addresses remain. This is what I get
 > (and change) in my SX at boot time. I have to take back that about
 > overlapping addresses, I was masking too much (different masks for
 > mem/io). It seems the firmware simply thinks that IO addresses above
 > 0x10000 are ok (which they probably are in the alpha), but NetBSD wraps IO
 > addresses higher than 0xffff. If I don't change the IO addresses, I get a
 > machine check as quick as the driver is accessing the registers.

NetBSD wraps the IO addresses?!  Where?  In what code?

        -- Jason R. Thorpe <>