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

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Message-Id: <200710310720.37185.arvidjaar@mail.ru>
Date:	Wed, 31 Oct 2007 07:20:36 +0300
From:	Andrey Borzenkov <arvidjaar@...l.ru>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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 Wednesday 31 October 2007, Rafael J. Wysocki wrote:
> 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?
>

yes

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