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From: Christian Franke <Christian.Franke@t-online.de>
To: The development of GRUB 2 <grub-devel@gnu.org>
Subject: Re: [PATCH] ata.mod under qemu
Date: Mon, 25 May 2009 21:47:06 +0200	[thread overview]
Message-ID: <4A1AF5BA.2060205@t-online.de> (raw)
In-Reply-To: <1243148875.2542.3.camel@mj>

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.

Thanks!

-- 
Regards,
Christian Franke




  reply	other threads:[~2009-05-25 19:47 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-18 17:59 [PATCH] ata.mod under qemu Vladimir 'phcoder' Serbinenko
2009-05-18 17:59 ` Vladimir 'phcoder' Serbinenko
2009-05-18 18:04   ` Vladimir 'phcoder' Serbinenko
2009-05-18 23:36     ` Pavel Roskin
2009-05-19  0:17       ` Pavel Roskin
2009-05-19 13:12         ` Christian Franke
2009-05-20 21:40           ` Christian Franke
2009-05-20 22:13             ` Pavel Roskin
2009-05-21 20:59               ` Christian Franke
2009-05-23 21:04                 ` Christian Franke
2009-05-24  7:07                   ` Pavel Roskin
2009-05-25 19:47                     ` Christian Franke [this message]
2009-05-25 20:03                       ` Pavel Roskin

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