linux-kernel - Re: 2.6.25-rc5: Reported regressions from 2.6.24

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Date:	Mon, 17 Mar 2008 15:20:19 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Natalie Protasevich <protasnb@...il.com>,
	Ingo Molnar <mingo@...e.hu>, Len Brown <len.brown@...el.com>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Greg KH <greg@...ah.com>
Subject: Re: 2.6.25-rc5: Reported regressions from 2.6.24

Rafael J. Wysocki wrote:
> On Tuesday, 11 of March 2008, Jeff Garzik wrote:
>> Linus Torvalds wrote:
>>> On Mon, 10 Mar 2008, Jeff Garzik wrote:
>>>>> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=10123
>>>>> Subject		: No power-off / reboot with 2.6.25-rcX (up to -rc3)
>>>> FWIW, I have this same problem.
>>> Jeff, does that one ("keep rd->online and cpu_online_map in sync") fix the 
>>> problem for you?
>> Nope.  I am running baadac8b10c5ac15ce3d26b68fa266c8889b163f now, and it 
>> still hangs on reboot or power-off.
>>
>> Interestingly, if I reboot -immediately- from gdm, it succeeds.  However 
>> if I login to Fedora GNOME via gdm, and load my standard apps (1001 
>> terminals, firefox, tbird, IRC) reboot and poweroff no longer work.
>>
>> My guess was always some ACPI regression.  I'll bisect today or 
>> tomorrow.  It is reproducible regression that appeared recently (circa 
>> 2.6.24 or 2.6.25-rc1 I think), so I should be able to find the culprit.


Well, after going through several kernel versions (back to 2.6.19 so 
far), this machine continues to have reboot problems.  I'm going to 
back-burner this, as it is looking more like a hardware or BIOS problem 
that cropped up recently.

	Jeff




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