Re: Linux 2.6.27-rc5: System boot regression caused by commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd

[Yinghai Lu]

On Sat, Aug 30, 2008 at 2:34 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> On Saturday, 30 of August 2008, Yinghai Lu wrote:
>> On Sat, Aug 30, 2008 at 2:12 PM, Yinghai Lu <yhlu.kernel@xxxxxxxxx> wrote:
>> > On Sat, Aug 30, 2008 at 1:46 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
>> >> On Saturday, 30 of August 2008, Yinghai Lu wrote:
>> >>> please check
>> >>>
>> >>> [PATCH] x86: split e820 reserved entries record to late v4
>> >>> [PATCH] x86: split e820 reserved entries record to late v4 - fix v6
>> >>
>> >> What kernel should I apply those to and in what order?
>> >
>> > linus git tree
>> > 1. [PATCH] x86: split e820 reserved entries record to late v4
>> > 2. [PATCH] x86: split e820 reserved entries record to late v4 - fix v6
>> >
>> > tip/master
>> > 1. Resource handling: add 'insert_resource_expand_to_fit()' function
>> > 2. [PATCH] x86: split e820 reserved entries record to late v4 - fix v6
>>
>> actually it is almost the same to tar ball send you for your system...
>
> I've just tested these two patches on top of the current Linus' tree and the
> system works normally.
>

Can you try attached in addition to those to patches ?

want to check if the BAR3 get new resource..., and after that what
could happen...

YH
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 82634a2..4e0df0a 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -38,9 +38,8 @@ static void pbus_assign_resources_sorted(struct pci_bus *bus)
 	list_for_each_entry(dev, &bus->devices, bus_list) {
 		u16 class = dev->class >> 8;
 
-		/* Don't touch classless devices or host bridges or ioapics.  */
-		if (class == PCI_CLASS_NOT_DEFINED ||
-		    class == PCI_CLASS_BRIDGE_HOST)
+		/* Don't touch classless devices or ioapics.  */
+		if (class == PCI_CLASS_NOT_DEFINED)
 			continue;
 
 		/* Don't touch ioapic devices already enabled by firmware */