linux-kernel - Re: [Pcihpd-discuss] 2.6.25-rc3 -- SHPC hotplug driver

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Message-ID: <20080226045441.GA4469@kroah.com>
Date:	Mon, 25 Feb 2008 20:54:41 -0800
From:	Greg KH <greg@...ah.com>
To:	Miles Lane <miles.lane@...il.com>
Cc:	pcihpd-discuss@...ts.sourceforge.net,
	Kristen Accardi <kristen.c.accardi@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [Pcihpd-discuss] 2.6.25-rc3 -- SHPC hotplug driver - very long
	timeouts?

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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