linux-kernel - Re: 2.6.24: (ACPI AC adapter) sending {proc,netlink,kobject}

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Message-Id: <200710302228.25650.rjw@sisk.pl>
Date:	Tue, 30 Oct 2007 22:28:24 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andrey Borzenkov <arvidjaar@...l.ru>
Cc:	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	Alexey Starikovskiy <astarikovskiy@...e.de>
Subject: Re: 2.6.24: (ACPI AC adapter) sending {proc,netlink,kobject}_event from -> resume method?

On Tuesday, 30 October 2007 20:33, Andrey Borzenkov wrote:
> Is it valid to send events from within ->resume device method?

It is or at least it should be.  The GPEs are supposed to be fully functional
at this point.

> If not, what is the proper way to notify user space about hardware changes
> during suspension?  
> Specifically it seems that new sysfs ACPI power supply interface sometimes 
> missing plugged in AC cord during suspend. I suspect that no event is 
> generated for this; I am not sure whether ACPI is required to generate such 
> events at all in this case.
> 
> I'll need some time to get reproducible case so I do not categorize this yet 
> as regression.

Is the "[2.6.24-rc1 regression] AC adapter state does not change after resume"
message a follow-up to this one?

Rafael
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