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SubjectRe: kernel boot hangs after x86: insert_resorce for lapic addr after e820_reserve_resources
On Mon, May 19, 2008 at 8:22 PM, Yinghai Lu <yhlu.kernel@gmail.com> wrote:
> On Mon, May 19, 2008 at 8:16 PM, Ciaran McCreesh
> <ciaran.mccreesh@googlemail.com> wrote:
>> On Mon, 19 May 2008 19:48:38 -0700
>> "Yinghai Lu" <yhlu.kernel@gmail.com> wrote:
>>> >> >> could be pci iomem conflicts...
>>> >> >> please enable CONFIG_PCI_DEBUG=y
>>> >> >> and apply the following two debug patches
>>> >> >
>>> >> > dmesg with debugging attached.
>>> >>
>>> >> the iomem allocation seems good...
>>> >>
>>> >> can you send out /proc/iomem?
>>> >
>>> > 00000000-0009ffff : pnp 00:09
>>> > <snip>
>>>
>>> seems acpi pnp resource cause some problem....
>>>
>>> please try attached patch and send out /proc/mtrr
>>
>> The patch doesn't help I'm afraid.
>
> sorry, please send /proc/iomem
>
> after check request_resource and insert resource...
>
> it seems if you insert or request one small one, and request big one,
> then only have big one, but if you insert the big one, the small one
> will because big one's child...
>
> so at that case, could be pnp res return from acpi (dsdt) is bigger
> than e820 region...
>
> so it seems the offending patch just reveal problem cause by pnp code.

can you boot with pnpacpi=off ?

YH


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