linux-kernel - Re: [PATCH, RFT, v2] sata

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Message-ID: <45E779BC.7020605@garzik.org>
Date:	Thu, 01 Mar 2007 20:11:24 -0500
From:	Jeff Garzik <jeff@...zik.org>
To:	Andre Tomt <andre@...t.net>
CC:	linux-ide@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH, RFT, v2] sata_mv: convert to new EH

Andre Tomt wrote:
> Jeff Garzik wrote:
>> Just got sata_mv working under the new EH, on my 6041.
>>
>> It probes and talks to disks just fine (chip doesn't support ATAPI),
>> and hotplug actually has a chance of working.
>>
>> The 'mv-eh' branch of
>> git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev.git 
>> mv-eh
>>   
> 
> It's great to see this driver getting some more love. On a 6041 I'm 
> seeing very bad behaviour when encountering errors using the 2.6.19 
> driver. If a disk gets the fits, the port dies and 500000 interrupts/s 
> gets fired until the server gets rebooted. Good thing it only pegs one 
> of four available cpu cores.. I hope the new EH is more robust in this 
> regard ;-)

So, does this patch work for you?  :)  It's against 2.6.21-rc1 IIRC.


> Ramblings aside; I see there is a mv-ncq head in libata-dev.git, do you 
> have it working? Is there a timeframe for NCQ support?

No and no.  All this Marvell work is spare-time work for me, nobody's 
paying for it, so who knows.  I'll have it working eventually, if 
someone else doesn't beat me to it.

	Jeff



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