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SubjectRe: pcibios_scanned needs to be set in ACPI? (was Re: 2.6.25-rc5: Reported regressions from 2.6.24)
On Wed, Mar 12, 2008 at 04:09:17PM -0700, Linus Torvalds wrote:
>
>
> 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?

This wasn't doing anything on my laptop, but it does cause the warning
on my mac mini, thanks for showing how to trigger it.

And that's with the patch I posted, so that's no good.

Let me see if I can figure it out now that I can reproduce it...

thanks,

greg k-h


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