Re: aic7xxx broken in 2.6.18-rc3-mm2

[Andrew Morton]

On Fri, 11 Aug 2006 17:17:15 -0700
Dave Hansen <haveblue@xxxxxxxxxx> wrote:

> Well, I have a new culprit of the hour:
> 
> 	gregkh-pci-pci-use-pci_bios-as-last-fallback

Thanks, I'll drop it.

> There was a previous patch that messed up a few of my machines and this
> same driver a few months ago, which accounts for my sense of deja vu:
> 
> http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.16-rc6/2.6.16-rc6-mm1/broken-out/gregkh-pci-pci-give-pci-config-access-initialization-a-defined-ordering.patch
> 
> There was an off-list thread called 
> 
> 	"PCI device issue in 2.6.16-rc3-mm1 through 2.6.16-rc6-mm1"
> 
> Anyway, here's the information from the syslog at boot in a working
> system (without the patch applied):
> 
> PCI: PCI BIOS revision 2.10 entry at 0xfd32c, last bus=8
> Setting up standard PCI resources
> SCSI subsystem initialized
> PCI: Probing PCI hardware
> PCI: Discovered peer bus 02
> PCI: Firmware left 0000:02:05.0 e100 interrupts enabled, disabling
> PCI: Discovered peer bus 05
> PCI->APIC IRQ transform: 0000:00:05.0[A] -> IRQ 16
> PCI->APIC IRQ transform: 0000:00:0f.2[A] -> IRQ 19
> PCI->APIC IRQ transform: 0000:02:01.0[A] -> IRQ 17
> PCI->APIC IRQ transform: 0000:02:01.1[B] -> IRQ 18
> PCI->APIC IRQ transform: 0000:02:05.0[A] -> IRQ 24
> PCI->APIC IRQ transform: 0000:05:02.0[A] -> IRQ 21
> PCI->APIC IRQ transform: 0000:05:02.1[B] -> IRQ 26
> PCI->APIC IRQ transform: 0000:06:04.0[A] -> IRQ 22
> PCI->APIC IRQ transform: 0000:06:05.0[A] -> IRQ 27
> PCI->APIC IRQ transform: 0000:06:06.0[A] -> IRQ 28
> PCI->APIC IRQ transform: 0000:06:07.0[A] -> IRQ 29
> PCI: Bridge: 0000:05:03.0
>   IO window: 7000-7fff
>   MEM window: eb000000-ec1fffff
>   PREFETCH window: ea300000-ea3fffff
> 
> And the same thing in a system where it can't find my SCSI card (with
> the patch applied):
> 
> PCI: Using configuration type 1
> Setting up standard PCI resources
> SCSI subsystem initialized
> PCI: Probing PCI hardware
> PCI->APIC IRQ transform: 0000:00:05.0[A] -> IRQ 16
> PCI->APIC IRQ transform: 0000:00:0f.2[A] -> IRQ 19
> 

Cc: culprits ;)
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