Re: [PATCH v2.6.38-rc7] Revert "libata: ahci_start_engine compliant to AHCI spec"

[Jian Peng <jipeng2005@gmail.com>]

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Hi, Rafael,

I am using internal WDC laptop HDD. I will give SDD a try even though I only
have non-Intel SDD now.

Is your SDD the boot disk (by swapping the built-in HDD out) or the extra
one installed using device bay on Dell laptop?

Thanks,
Jian


2011/5/19 Rafael J. Wysocki <rjw@sisk.pl>

> On Thursday, May 19, 2011, Jian Peng wrote:
> > Hi, Rafael,
> >
> > Yes. I tested without reverting the patch that caused failure on E6410
> (with
> > same AHCI controller), The system is Ubuntu 11.04 with default 2.6.39-rc6
> > kernel (guess this should be same kernel as yours before reverting the
> > patch).
> >
> > My system worked well with AC power cable plugging in and out at boot
> time,
> > at runtime, and during "dd if=/dev/sda5 of=/dev/null ..".
>
> What kind of disk did you use?  Mine is an Intel SSD.
>
> > The config file I mentioned is those under /etc/ or other directories
> that
> > is used to control the power management.
>
> They aren't relevant to this issue.
>
> > Did you test my patch? What it the result?
>
> No, I didn't.  Unfortunately, I won't be able to do any tests on the
> affected
> machine in the near future (most probably for the next two weeks or so).
>
> Thanks,
> Rafael
>

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