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Date: Fri, 07 Jan 2005 16:39:15 -0800
From: Nate Lawson <nate@root.org>
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To: John Baldwin <jhb@FreeBSD.org>
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cc: freebsd-current@FreeBSD.org
Subject: Re: page fault panic in device_get_softc/acpi_pcib_route_interrupt
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John Baldwin wrote:
> On Friday 07 January 2005 05:07 pm, Pawel Worach wrote:
> 
>>Nate Lawson wrote:
>>
>>>Pawel, can you split out the lines so we can isolate where the panic is
>>>occurring?  At the end of acpi_pcib.c, before the call to
>>>acpi_pci_link_route_interrupt()
>>
>>Doesn't look like device_get_state() likes this device either.
>>
>>acpi_MatchHid() Hid: PNP0A03
>>acpi_MatchHid() Hid: PNP0A03
>>pcib0: <ACPI Host-PCI bridge> on acpi0
>>pci0: <ACPI PCI bus> on pcib0
>>acpi handle 0xc1ec8d20, name \LPUS
>>link device: 0 index 0
> 
> So it appears the handle doesn't have a device_t associated with it.  :(  The 
> next step is to maybe do a printf in the code that adds the device_t's to see 
> if one shows up for this handle, and if the handle is the same for the given 
> name. 

Ok, add this to acpi.c:acpi_add_child(), after AcpiAttachData():

printf("adding child %s, dev %p\n", acpi_name(handle), 
acpi_get_device(child));

Then send the output.

-- 
Nate