From: Mark Lord <kernel@teksavvy.com>
To: Tejun Heo <tj@kernel.org>
Cc: Tobias Karnat <tobias.karnat@googlemail.com>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: sata_sil24: external raid storage mistaken as port multiplier
Date: Fri, 26 Nov 2010 21:57:10 -0500 [thread overview]
Message-ID: <4CF07386.7080304@teksavvy.com> (raw)
In-Reply-To: <4CF01583.5050307@kernel.org>
On 10-11-26 03:16 PM, Tejun Heo wrote:
> Hello,
>
> On 11/26/2010 09:13 PM, Mark Lord wrote:
>>> That said, yeah, it probably would be a good idea to add a
>>> libata.force param.
>>
>> How about some form of auto-detection instead?
>
> That's a device which reports that it's a PMP but fails to behave
> itself as one. The sucky thing is that depending on the current mode
> and firmware revision, the same hardware can actually bahave as a
> pretty decent PMP.
Yuck! :)
I suppose *if* we knew the exact fwrev that requires the workaround,
then we could make it automatic for that, and still have the boot flag
for cases we don't know about.
Tobias? Got the IDENTIFY info from that device?
Something like "hdparm --istdout /dev/sdX" ?
next prev parent reply other threads:[~2010-11-27 2:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-22 21:24 sata_sil24: external raid storage mistaken as port multiplier Tobias Karnat
2010-11-23 12:08 ` Tobias Karnat
2010-11-24 4:23 ` Tobias Karnat
2010-11-26 17:19 ` Tejun Heo
2010-11-26 20:13 ` Mark Lord
2010-11-26 20:16 ` Tejun Heo
2010-11-27 2:57 ` Mark Lord [this message]
2010-11-28 10:51 ` Tobias Karnat
2010-12-03 12:45 ` Tobias Karnat
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