Re: [Pcihpd-discuss] 2.6.25-rc3 -- SHPC hotplug driver - very longtimeouts?

From: Greg KH
Date: Tue Feb 26 2008 - 00:22:30 EST


On Mon, Feb 25, 2008 at 11:30:03PM -0500, Miles Lane wrote:
> Hello,
>
> When I booted this kernel, the process was hugely delayed in shpchp.
> I don't think I usually build this driver, so perhaps this is its
> standard behavior when the hardware is missing, or some such? Or, is
> this a bug in the driver? Either way, the timeouts seem excessively
> long.
>
> [ 24.471137] CPA self-test:
> [ 24.474565] 4k 8192 large 216 gb 0 x 8408[c0000000-f7fff000] miss 0
> [ 24.491200] 4k 196608 large 32 gb 0 x 196640[c0000000-f7fff000] miss 0
> [ 24.503549] 4k 196608 large 32 gb 0 x 196640[c0000000-f7fff000] miss 0
> [ 24.504440] ok.
> [ 42.209886] shpchp: gave up waiting for init of module pci_hotplug.
> [ 42.213190] shpchp: Unknown symbol acpi_run_oshp
> [ 72.052520] shpchp: gave up waiting for init of module pci_hotplug.
> [ 72.055826] shpchp: Unknown symbol pci_hp_change_slot_info
> [ 101.931221] shpchp: gave up waiting for init of module pci_hotplug.
> [ 101.934526] shpchp: Unknown symbol pci_hp_register
> [ 131.789952] shpchp: gave up waiting for init of module pci_hotplug.
> [ 131.793258] shpchp: Unknown symbol pci_hp_deregister
> [ 161.683306] shpchp: gave up waiting for init of module pci_hotplug.
> [ 161.686611] shpchp: Unknown symbol acpi_get_hp_params_from_firmware
> [ 162.935681] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4

This is not a hotplug-specific bug, but rather one in the module loading
logic. People who had seen this on -rc1 said it went away in -rc3. I
suggest poking Rusty about it...

thanks,

greg k-h
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