Re: ata4.00: failed to get Identify Device Data, Emask 0x1

From: Aaron Lu
Date: Tue Oct 16 2012 - 21:38:35 EST

On 10/16/2012 11:18 PM, Borislav Petkov wrote:
> On Tue, Oct 16, 2012 at 03:58:24PM +0100, Alan Cox wrote:
>> Can you check whether 3.6 works on them. I know 3.6 is horribly broken
>> on several brands of AHCI controller (Jmicron for example). Dunno
>> where Jeff is on fixing the regressions ?
> If by "works" you mean I don't see the message there, then yes, it does.
> Logs say the message started appearing on Oct 4th after me building
> Linus master after the merge window started.
> Ok, let me test 3.6.2 just in case ...<tests>... yes, no error message
> there.

This is brought by commit: 65fe1f0f66a57380229a4ced844188103135f37b,
ahci: implement aggressive SATA device sleep support.

Shane, got time to take a look? This debug message made people
uncomfortable :-)


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