linux-kernel - Re: acpi-test tree on eeepc: EC error message on second resume

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Message-Id: <200810111909.48897.rjw@sisk.pl>
Date:	Sat, 11 Oct 2008 19:09:48 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
Cc:	Alexey Starikovskiy <astarikovskiy@...e.de>,
	linux acpi <linux-acpi@...r.kernel.org>,
	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: acpi-test tree on eeepc: EC error message on second resume

On Saturday, 11 of October 2008, Alan Jenkins wrote:
> I've just run an acpi-test kernel on my EeePC and noticed a new issue. 
> It seems to be caused (or revealed) by the EC interrupt transaction patch.
> 
> On the second suspend/resume cycle, I see a kernel error message.
> 
> [   78.747707] ACPI: Waking up from system sleep state S3
> [   79.330001] ACPI: EC: input buffer not empty, aborting transaction
> [   79.423327] ACPI: EC: non-query interrupt received, switching to
> interrupt mode
> 
> I still don't see any issues in the code.  I'll try getting a DEBUG
> trace to see the EC interrupts.  Any other suggestions?

Not really, but is this reproducible?  I mean, does it happen always on the
second resume and does it happen on every next resume after the first one?

Thanks,
Rafael
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