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Re: [PATCH] ata.mod under qemu

From: Christian Franke
Subject: Re: [PATCH] ata.mod under qemu
Date: Mon, 25 May 2009 21:47:06 +0200
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20090403 SeaMonkey/1.1.16

Pavel Roskin wrote:
On Sat, 2009-05-23 at 23:04 +0200, Christian Franke wrote:

New patch attached. Please test on the above hardware if possible.

It's working fine.  (ata6) and (ata7) appear, but (ata0) and (ata1)
doesn't.  When inserting ata.mod, I get:

error: error reading ATA IDENTIFY data
error: error reading ATA IDENTIFY data

Looks like the (ata0/1) controller returns !BSY, DRQ, !ERR in the status register if no device is connected.
This is now detected after the bogus IDENTIFY data is read.

That must be the "ghost devices".  While it would be nice to get rid of
such messages, I'm fine if your patch is committed as is.

Modified version committed, messages should no longer appear.


Christian Franke

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