* Re: Invalid PnP ACPI reserved MMIO areas on Supermicro boards
[not found] <470C166C.4030502@shaw.ca>
@ 2007-10-10 5:10 ` Len Brown
2007-10-12 0:05 ` Robert Hancock
0 siblings, 1 reply; 2+ messages in thread
From: Len Brown @ 2007-10-10 5:10 UTC (permalink / raw)
To: Robert Hancock; +Cc: linux-kernel, ide, Linux-acpi
On Tuesday 09 October 2007 20:01, Robert Hancock wrote:
> Some people with certain Supermicro boards (at least the H8DCE, it
> seems) have reported that the sata_nv driver fails to attach to some of
> the controllers due to resource conflicts:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=280641
> https://bugzilla.redhat.com/show_bug.cgi?id=313491
>
> Essentially since about 2.6.22 or so (before which we apparently didn't
> handle PnpACPI reserved MMIO regions?) we get:
So if you boot with "pnpacpi=off" then the board is happy?
-Len
> pnp: 00:09: iomem range 0xdfefd000-0xdfefd3ff has been reserved
> pnp: 00:09: iomem range 0xdfefe000-0xdfefe3ff has been reserved
>
> when the CK804 SATA controllers have as their BIOS-assigned resources:
>
> 80:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller
> (rev f3) (prog-if 85 [Master SecO PriO])
> Subsystem: Super Micro Computer Inc Unknown device 1011
> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
> <MAbort- >SERR- <PERR-
> Interrupt: pin A routed to IRQ 46
> Region 0: I/O ports at e400 [size=8]
> Region 1: I/O ports at e000 [size=4]
> Region 2: I/O ports at dc00 [size=8]
> Region 3: I/O ports at d800 [size=4]
> Region 4: I/O ports at d400 [size=16]
> Region 5: Memory at dfefd000 (32-bit, non-prefetchable)
>
> and
>
> 80:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller
> (rev f3) (prog-if 85 [Master SecO PriO])
> Subsystem: Super Micro Computer Inc Unknown device 1011
> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B-
> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
> <MAbort- >SERR- <PERR-
> Interrupt: pin A routed to IRQ 45
> Region 0: I/O ports at f800 [size=8]
> Region 1: I/O ports at f400 [size=4]
> Region 2: I/O ports at f000 [size=8]
> Region 3: I/O ports at ec00 [size=4]
> Region 4: I/O ports at e800 [size=16]
> Region 5: Memory at dfefe000 (32-bit, non-prefetchable) [size=4K]
>
> And so of course we get:
>
> sata_nv 0000:80:07.0: Using ADMA mode
> PCI: Unable to reserve mem region #6:1000@dfefd000 for device 0000:80:07.0
> ACPI: PCI interrupt for device 0000:80:07.0 disabled
> sata_nv: probe of 0000:80:07.0 failed with error -16
> ACPI: PCI Interrupt Link [LT2E] enabled at IRQ 45
> ACPI: PCI Interrupt 0000:80:08.0[A] -> Link [LT2E] -> GSI 45 (level,
> low) -> IRQ 45
> sata_nv 0000:80:08.0: Using ADMA mode
> PCI: Unable to reserve mem region #6:1000@dfefe000 for device 0000:80:08.0
> ACPI: PCI interrupt for device 0000:80:08.0 disabled
> sata_nv: probe of 0000:80:08.0 failed with error -16
>
> So essentially the BIOS has erroneously reserved the SATA controller's
> BARs in the ACPI motherboard resources, preventing the driver from
> attaching to the device.
>
> Any ideas on what we can do about this?
>
> -Get Supermicro to fix the BIOS - already tried, it seems
> -System-specific quirk to ignore these resource reservations?
> -Try to move the PCI resources if they conflict with the ACPI resource
> reservations?
>
> I wonder how Windows deals with this, if it even does on these boards?
>
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Invalid PnP ACPI reserved MMIO areas on Supermicro boards
2007-10-10 5:10 ` Invalid PnP ACPI reserved MMIO areas on Supermicro boards Len Brown
@ 2007-10-12 0:05 ` Robert Hancock
0 siblings, 0 replies; 2+ messages in thread
From: Robert Hancock @ 2007-10-12 0:05 UTC (permalink / raw)
To: Len Brown; +Cc: linux-kernel, ide, Linux-acpi
Len Brown wrote:
> On Tuesday 09 October 2007 20:01, Robert Hancock wrote:
>> Some people with certain Supermicro boards (at least the H8DCE, it
>> seems) have reported that the sata_nv driver fails to attach to some of
>> the controllers due to resource conflicts:
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=280641
>> https://bugzilla.redhat.com/show_bug.cgi?id=313491
>>
>> Essentially since about 2.6.22 or so (before which we apparently didn't
>> handle PnpACPI reserved MMIO regions?) we get:
>
> So if you boot with "pnpacpi=off" then the board is happy?
>
> -Len
Apparently yes - see new comments in:
https://bugzilla.redhat.com/show_bug.cgi?id=280641
A patch has also been proposed to ignore motherboard resources that
overlap PCI BARs here:
https://bugzilla.redhat.com/show_bug.cgi?id=313491
>
>> pnp: 00:09: iomem range 0xdfefd000-0xdfefd3ff has been reserved
>> pnp: 00:09: iomem range 0xdfefe000-0xdfefe3ff has been reserved
>>
>> when the CK804 SATA controllers have as their BIOS-assigned resources:
>>
>> 80:07.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller
>> (rev f3) (prog-if 85 [Master SecO PriO])
>> Subsystem: Super Micro Computer Inc Unknown device 1011
>> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
>> Stepping- SERR- FastB2B-
>> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
>> <MAbort- >SERR- <PERR-
>> Interrupt: pin A routed to IRQ 46
>> Region 0: I/O ports at e400 [size=8]
>> Region 1: I/O ports at e000 [size=4]
>> Region 2: I/O ports at dc00 [size=8]
>> Region 3: I/O ports at d800 [size=4]
>> Region 4: I/O ports at d400 [size=16]
>> Region 5: Memory at dfefd000 (32-bit, non-prefetchable)
>>
>> and
>>
>> 80:08.0 IDE interface: nVidia Corporation CK804 Serial ATA Controller
>> (rev f3) (prog-if 85 [Master SecO PriO])
>> Subsystem: Super Micro Computer Inc Unknown device 1011
>> Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
>> Stepping- SERR- FastB2B-
>> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
>> <MAbort- >SERR- <PERR-
>> Interrupt: pin A routed to IRQ 45
>> Region 0: I/O ports at f800 [size=8]
>> Region 1: I/O ports at f400 [size=4]
>> Region 2: I/O ports at f000 [size=8]
>> Region 3: I/O ports at ec00 [size=4]
>> Region 4: I/O ports at e800 [size=16]
>> Region 5: Memory at dfefe000 (32-bit, non-prefetchable) [size=4K]
>>
>> And so of course we get:
>>
>> sata_nv 0000:80:07.0: Using ADMA mode
>> PCI: Unable to reserve mem region #6:1000@dfefd000 for device 0000:80:07.0
>> ACPI: PCI interrupt for device 0000:80:07.0 disabled
>> sata_nv: probe of 0000:80:07.0 failed with error -16
>> ACPI: PCI Interrupt Link [LT2E] enabled at IRQ 45
>> ACPI: PCI Interrupt 0000:80:08.0[A] -> Link [LT2E] -> GSI 45 (level,
>> low) -> IRQ 45
>> sata_nv 0000:80:08.0: Using ADMA mode
>> PCI: Unable to reserve mem region #6:1000@dfefe000 for device 0000:80:08.0
>> ACPI: PCI interrupt for device 0000:80:08.0 disabled
>> sata_nv: probe of 0000:80:08.0 failed with error -16
>>
>> So essentially the BIOS has erroneously reserved the SATA controller's
>> BARs in the ACPI motherboard resources, preventing the driver from
>> attaching to the device.
>>
>> Any ideas on what we can do about this?
>>
>> -Get Supermicro to fix the BIOS - already tried, it seems
>> -System-specific quirk to ignore these resource reservations?
>> -Try to move the PCI resources if they conflict with the ACPI resource
>> reservations?
>>
>> I wonder how Windows deals with this, if it even does on these boards?
>>
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-10-10 5:10 ` Invalid PnP ACPI reserved MMIO areas on Supermicro boards Len Brown
2007-10-12 0:05 ` Robert Hancock
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