linux-kernel - Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image Windows driver

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Date:	Thu, 22 Feb 2007 18:18:47 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Ask Bjørn Hansen <ask@...elooper.com>
Cc:	Jeff Garzik <jeff@...zik.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	Tejun Heo <htejun@...il.com>,
	"Eric D. Mudama" <edmudama@...il.com>
Subject: Re: [PATCH] libata: add NCQ blacklist entries from Silicon Image
 Windows driver

Ask Bjørn Hansen wrote:
> 
> On Feb 21, 2007, at 10:57 PM, Jeff Garzik wrote:
> 
>>> +    /* The following blacklist entries are taken from the Windows
>>> +       driver .inf files for the Silicon Image 3124 and 3132. */
>>> +    { "Maxtor 7B250S0",    "BANC1B70",    ATA_HORKAGE_NONCQ, },
> [...]
>>
>> Do we have information that these drives fail on non-SiI controllers?
> 
> At least tangentially related:
> 
> On one of my boxes (running 2.6.18-1.2869 from Fedora) I have a couple 
> of other Maxtor drives that didn't like NCQ.   They are on a JMicron 
> 20360/20363 (ahci driver).  (There's also a Promise 300 TX4 card in the 
> box and an Intel ICH8 that shows up with ata_piix).
> 
> model and (partial) firmware revision of the drives:
> Maxtor 7V300F0  VA11
> Maxtor 7B300S0  BANC
> 
> Until I disabled NCQ I got gazillions of messages like the ones below 
> and absymal performance.
> 
>   - ask
> 
> 
> ata5: spurious interrupt (irq_stat 0x8 active_tag -84148995 sactive 0xf)

Sounds like those are some that we should be blacklisting as well, 
unless Eric has a good reason why not (CCing). Can you provide the full 
firmware revision strings from those drives, i.e. from "hdparm -I"?

-- 
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@...pamshaw.ca
Home Page: http://www.roberthancock.com/

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