Re: resource sanity check, mapping multiple BARs

[Ferry Toth <fntoth@gmail.com>]

Hi,

Op 06-12-2021 om 15:21 schreef Hans de Goede:
> Hi Ferry,
> 
> On 12/5/21 23:02, Ferry Toth wrote:
>> Hi,
>>
>> Between v5.15 and v5.16-rc the following (unrelated?) errors are appearing in kernel.log:
>>
>> resource sanity check: requesting [mem 0xff200000-0xff3fffff], which spans more than 0000:00:0e.0 [mem 0xff298000-0xff29bfff]
>> caller devm_ioremap+0x45/0x80 mapping multiple BARs
>> pmd_set_huge: Cannot satisfy [mem 0x05e00000-0x06000000] with a huge-page mapping due to MTRR override.
>>
>> This is on Intel Edison (Merrifield), which has (from lspci):
>>
>> 00:0e.0 System peripheral: Intel Corporation Device 119b (rev 01)
>>      Flags: fast devsel, IRQ 25
>>      Memory at ff298000 (32-bit, non-prefetchable) [size=16K]
>>      Memory at ff2a2000 (32-bit, non-prefetchable) [size=4K]
>>      Capabilities: [b0] Power Management version 3
>>      Capabilities: [b8] Vendor Specific Information: Len=08 <?>
>>      Capabilities: [c0] PCI-X non-bridge device
>>      Capabilities: [100] Vendor Specific Information: ID=0000 Rev=0 Len=024 <?>
>>
>> Any suggestions on the cause of this would be welcome.
> 
> Not sure why you send this to the platform-driver-x86 list.
> 
> The platform-driver-x86 list is for things like ACPI/WMI drivers for vendor
> specific firmware APIs, think drivers like dell-laptop, dell-wmi and
> thinkpad_acpi.
> 
> It is probably best if you resend your email to the linux-pci@vger
> and the generic linux-kernel@vger lists.
> 
I misunderstood where this should go properly, sorry about that.

But thanks for the recommendation.

> Regards,
> 
> Hans
>