Re: Merging libata PATA support into the base kernel

From: Rafael J. Wysocki
Date: Thu Aug 10 2006 - 15:40:13 EST

On Thursday 10 August 2006 21:02, Jason Lunz wrote:
> In gmane.linux.kernel, you wrote:
> > You make it sound much worse than it is. Apart for HPA, I'm not aware of
> > any setups that require extra treatment. And the amount of reported bugs
> > against it are pretty close to zero :-)

No, it's not.

> *ahem*.
> I needed to do this to cure IDE hangs on resume:
> Are you watching the suspend mailing lists? There's no shortage of them:
> suspend-devel:
> linux-pm:
> suspend2-devel:
> suspend2-users:
> I'm currently trying to help out one Sheer El-Showk, whose piix ide
> requires 30 seconds of floundering followed by a bus reset to resume:
> But I know next-to-nothing about ATA.
> It's not surprising you're not getting many bug reports. It's common for
> several things to go wrong during s2ram, and the user often ends up
> looking at a hung system with a dead screen. It takes some quality time
> with netconsole to even begin to narrow down that it's IDE hanging the
> system, after which you can *begin* solving the no-video-on-resume
> issue.

I agree. Moreover, the disk-related resume-from-ram problems are the hardest
ones (the graphics may be handled from the user land to a reasonable extent).

Actually, I'm looking for someone who'd agree to be Cced on bug reports where
we suspect the problem may be related to IDE/PATA/SATA . ;-)

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