linux-kernel - Re: pcibios_scanned needs to be set in ACPI? (was Re: 2.6.25-rc5: Reported regressions from 2.6.24)

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Date:	Wed, 12 Mar 2008 16:09:17 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Greg KH <greg@...ah.com>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Jeff Garzik <jeff@...zik.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>
Subject: Re: pcibios_scanned needs to be set in ACPI?  (was Re: 2.6.25-rc5:
 Reported regressions from 2.6.24)



On Wed, 12 Mar 2008, Greg KH wrote:
> 
> I can't get a box here to produce both of those PCI: messages myself,
> and neither can Len, so something is really odd here.

You can't?

I can trivially reproduce the warnings on my laptop by just adding 
"acpi=noirq" to the command line in grub.

	PCI: Probing PCI hardware
	kobject (ffff81007e08d9c8): tried to init an initialized object, something is seriously wrong.
	Pid: 1, comm: swapper Not tainted 2.6.25-rc3-00081-g7704a8b #29
	
	Call Trace:
	 [<ffffffff8054f921>] __down_read+0x12/0x93
	 [<ffffffff80313d60>] kobject_init+0x39/0x82
	 [<ffffffff803956d6>] device_initialize+0x25/0xa4
	 [<ffffffff80395f83>] device_register+0x9/0x12
	 [<ffffffff80322cdc>] pci_bus_add_devices+0xe2/0x13e
	 [<ffffffff807491be>] pci_legacy_init+0x66/0xf9
	 [<ffffffff8039763e>] bus_register+0x15b/0x221
	 [<ffffffff8072a6ba>] kernel_init+0x14a/0x2b4
	 [<ffffffff8020be38>] child_rip+0xa/0x12
	 [<ffffffff8072a570>] kernel_init+0x0/0x2b4
	 [<ffffffff8020be2e>] child_rip+0x0/0x12

did you try just adding that simple command line thing?

			Linus
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