From: Tejun Heo <htejun@gmail.com>
To: Jon Masters <jonathan@jonmasters.org>
Cc: Chuck Ebbert <cebbert@redhat.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Jeff Garzik <jgarzik@pobox.com>,
linux-ide@vger.kernel.org, Conke Hu <conke.hu@gmail.com>
Subject: Re: Loading both the pata_atiixp and the ahci driver causes problems
Date: Sun, 18 Mar 2007 14:41:15 +0900 [thread overview]
Message-ID: <45FCD0FB.70507@gmail.com> (raw)
In-Reply-To: <45F9F5F0.3090508@jonmasters.org>
Jon Masters wrote:
> Chuck Ebbert wrote:
>
>> If you try to load both the pata_atiixp and the ahci driver
>> (for the same ATI SB600 adapter), very strange things happen.
>> The AHCI driver churns for three minutes or so, spewing
>> messages like this, then nothing works:
>>
>> <6>ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
>> <4>ata3.00: qc timeout (cmd 0xec)
>> <4>ata3.00: failed to IDENTIFY (I/O error, err_mask=0x104)
>
>> Shouldn't it be able to tell the device has already been
>> claimed by some other driver?
>
> One would assume it'd fail to grab the PCI IO ranges twice? I haven't
> looked at the code but I have seen this bug mentioned elsewhere so I
> might well end up having to do that yet :-)
Dunno much about sb600 but ahci and pata_atiixp are probably using
separate IO regions && separate PCI functions.
Conke, care to educate us a bit here?
--
tejun
next prev parent reply other threads:[~2007-03-18 5:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-15 22:08 Loading both the pata_atiixp and the ahci driver causes problems Chuck Ebbert
2007-03-16 1:42 ` Jon Masters
2007-03-18 5:41 ` Tejun Heo [this message]
2007-03-18 6:28 ` Jon Masters
2007-03-18 6:38 ` Tejun Heo
2007-03-18 6:56 ` Jon Masters
2007-03-18 21:21 ` Chuck Ebbert
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=45FCD0FB.70507@gmail.com \
--to=htejun@gmail.com \
--cc=cebbert@redhat.com \
--cc=conke.hu@gmail.com \
--cc=jgarzik@pobox.com \
--cc=jonathan@jonmasters.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).