linux-kernel - Re: Regression: Fixing recursive fault but reboot is needed at boot on HP 6730B

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Message-ID: <2481455.MbROdCkzQM@vostro.rjw.lan>
Date:	Fri, 15 Mar 2013 18:13:21 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Roberto Oppedisano <roberto.oppedisano@...racom.it>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	"toshi.kani@...com" <toshi.kani@...com>,
	"isimatu.yasuaki@...fujitsu.com" <isimatu.yasuaki@...fujitsu.com>,
	"yinghai@...nel.org" <yinghai@...nel.org>
Subject: Re: Regression: Fixing recursive fault but reboot is needed at boot on HP 6730B - bisected

On Friday, March 15, 2013 02:10:24 PM Roberto Oppedisano wrote:
> Hi!
> 
> Il 15/03/2013 10:42, Roberto Oppedisano ha scritto:
> > Il 14/03/2013 18:27, Rafael J. Wysocki ha scritto:
> >> On Thursday, March 14, 2013 09:20:51 AM Roberto Oppedisano wrote:
> >> As Toshi said, this particular commit doesn't make any functional 
> >> changes. Can you please verify if the immediately preceding commit 
> >> 6af9a803f4d2e4137d9f74a8fc9af4857fbda001 works for you? Rafael 
> >
> > I have checked out this commit and it is NOT working.
> >
> > BTW I did find the same commit in my bisection log, and probably
> > it was a false negative (I tried a couple of boot for each working kernel
> > during bisectrion, probably it was not not enough).
> > I'm going to replay the bisection today; will report back ASAP, to see
> > if it ends in something which makes sense to you. 
> 
> Here's the new suspect:
> 
> f95988de06ea62ef5bd861f06e9ef56cea405ed1 is the first bad commit
> commit f95988de06ea62ef5bd861f06e9ef56cea405ed1
> Author: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Date:   Mon Jan 7 21:17:02 2013 +0100
> 
>      ACPI / scan: Treat power resources in a special way

In that case, please try to comment out the following two lines:

	device_set_wakeup_capable(dev, true);
	acpi_pci_sleep_wake(pci_dev, false);

in pci_acpi_setup() in drivers/pci/pci-acpi.c and see if that improves things
for you.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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