Re: 2.6.12-mm1

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Le 23.06.2005 23:07, Brice Goglin a écrit :
> Le 23.06.2005 22:32, Rajesh Shah a écrit :
> 
>>The host bridge resources being reported were fine. I think this
>>failure is a yenta bug exposed by the combination of the host
>>bridge resource collection patch and the patch to improve the
>>handling for transparent bridges. I think the yenta code thinks
>>there's a resource conflict for the ranges being decoded by the
>>cardbus bridge when in fact there isn't any conflict in this case.
>>It then claims and reprograms the cardbus bridge to IO resources
>>that are already programmed into another device (winmodem in this
>>case), causing problems.
>>
>>Does the following patch to 2.6.12-mm1 fix the problem?
> 
> 
> No, sorry, doesn't change anything.
> I still get a few "Preassigned resource 0 busy, reconfiguring..."
> followed by "parent PCI bridge I/O window: 0x2000 - 0x2fff" and
> then the system hangs right after "cs: IO probe 0x2000-0x2ffff;".

In case this matters, the messages are a little bit different.

-mm1 says (see http://lkml.org/lkml/2005/6/20/28) :

yenta 0000:02:03.0: Preassigned resource 0 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 0 busy, reconfiguring...
yenta 0000:02:03.0: no resource of type 1200 available, trying to
continue...
yenta 0000:02:03.0: Preassigned resource 1 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 2 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 3 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 3 busy, reconfiguring...

With your patch :

yenta 0000:02:03.0: Preassigned resource 0 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 0 busy, reconfiguring...
yenta 0000:02:03.0: no resource of type 1200 available, trying to
continue...
yenta 0000:02:03.0: Preassigned resource 1 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 1 busy, reconfiguring...
yenta 0000:02:03.0: no resource of type 200 available, trying to continue...
yenta 0000:02:03.0: Preassigned resource 2 busy, reconfiguring...
yenta 0000:02:03.0: Preassigned resource 2 busy, reconfiguring...
yenta 0000:02:03.0: no resource of type 100 available, trying to continue...
yenta 0000:02:03.0: Preassigned resource 3 busy, reconfiguring...

Brice