Re: Hotplug borked after suspend/resume in Linux-3.3 ?

[Jeff Garzik <jgarzik@xxxxxxxxx>]

On 04/17/2012 04:38 PM, Mark Lord wrote:
> Okay, so why isn't SATA hotplug working in linux-3.3.2 ?
> I don't know when it stopped working, but it's a blooming pain in the sysadmin.
>
> I need to hotplug a SATA drive into an AHCI port,
> preferably without having to reboot first.
>
> Is there a patch available already for this regression?

hrm...  smells like runtime PM stuff.

Can you try "libata: disable runtime pm for hotpluggable port"?

You probably have to edit ahci_port_pluggable() to make it 
unconditionally return true.

	Jeff


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