Re: hotplug create_slot hang

[Kenji Kaneshige]

Alex Chiang wrote:
> * Yinghai Lu <yhlu.kernel@xxxxxxxxx>:
> > On Sat, Sep 6, 2008 at 2:50 PM, Alex Chiang <achiang@xxxxxx> wrote:
> > > * Yinghai Lu <yhlu.kernel@xxxxxxxxx>:
> > > > calling  pci_hotplug_init+0x0/0x1d
> > > > pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> > > > initcall pci_hotplug_init+0x0/0x1d returned 0 after 11 msecs
> > > >
> > > > calling  acpiphp_init+0x0/0x5f
> > > > acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
> > > > decode_hpp: Could not get hotplug parameters. Use defaults
> > > > pci_create_slot: created pci_slot on 0000:07:00
> > > > acpiphp: Slot [1] registered
> > > > decode_hpp: Could not get hotplug parameters. Use defaults
> > > > pci_create_slot: created pci_slot on 0000:0d:00
> > > > acpiphp: Slot [2] registered
> > > > initcall acpiphp_init+0x0/0x5f returned 0 after 105 msecs
> > > Is this the hang?
> > >
> > > > calling  pcied_init+0x0/0x7b
> > > > pciehp: HPC vendor_id 8086 device_id 340a ss_vid 0 ss_did 0
> > > > pci_create_slot: inc refcount to 2 on 0000:07:00
> > > > pci_destroy_slot: dec refcount to 1 on 0000:07:00
> > > > pciehp: pci_hp_register failed with error -16
> > > > pciehp: pciehp: slot already registered by another hotplug driver
> > > This failure is by design -- we only allow one hotplug driver to
> > > claim a slot now, and it's "first one loaded wins".
> > >
> > > Unless you're talking about something else?
> > after
> >
> > pciehp: pciehp: slot already registered by another hotplug driver
> >
> > never go on...
>
> You said that it worked a few days ago, but is hanging now.
>
> Can you bisect it?
>
> Kenji-san, any ideas?

I'm sorry, but I don't have any idea so far.

Yinghai, does this happen even when pciehp is not configured?

Thanks,
Kenji Kaneshige

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/