linux-kernel - Re: Regression: ACPI AC driver doesn't work on Toshiba Portege R500 (bisected)

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Message-Id: <200811240221.54716.rjw@sisk.pl>
Date:	Mon, 24 Nov 2008 02:21:54 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Zhao Yakui <yakui.zhao@...el.com>
Cc:	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	Alexey Starikovskiy <astarikovskiy@...e.de>,
	Len Brown <lenb@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Zhang, Rui" <rui.zhang@...el.com>, walken <walken@....org>
Subject: Re: Regression: ACPI AC driver doesn't work on Toshiba Portege R500 (bisected)

On Monday, 24 of November 2008, Zhao Yakui wrote:
> On Mon, 2008-11-24 at 07:37 +0800, Rafael J. Wysocki wrote:
> > On Sunday, 23 of November 2008, Rafael J. Wysocki wrote:
> > > Hi,
> > > 
> > > With current mainline (2.6.28-rc6-git1 as of today) on Toshiba Portege R500 the
> > > status of the AC adapter is not updated when the adapter is unplugged and
> > > plugged in.  Evidently, /sys/class/power_supply/ADP1/online always contains the
> > > same value.  Interestingly enough, though, if the box is suspended to RAM and
> > > resumed, the status of the AC adapter is correctly updated, but the value read
> > > at that time remains in /sys/class/power_supply/ADP1/online until the next
> > > suspend/resume cycle regardless of what's going on with the AC adapter.
> > > 
> > > 2.6.27.7 works correctly on this box so the recent EC patches don't seem to
> > > cause this regression to happen.
> > > 
> > > Any other ideas?
> Hi, Rafael
>     Will you please open a new bug at
> http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI and attach the
> output of acpidump, dmesg, lspci -vxxx?
>     If no ACPI event is reported when AC adapter is unplugged and
> plugged, the /sys/class interface can't display the correct AC status.
> Now Rui is working on this issue and the patch is already finished. But
> it is not sent to Lenb.

Can you give me a link to the patch, please?
 
>     From the problem description it seems that the problem is related
> with the AC driver. But from the git-bisect it seems that the problem is
> related with the button driver(Fix power button device). 
> 
>     Any-way, please attach the output of dmesg, acpidump, lspci -vxxx.

Created http://bugzilla.kernel.org/show_bug.cgi?id=12091 with the information
attached as requested.

Thanks,
Rafael
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