Re: iommu: flood of ahci 0000:e6:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0055 address=0xa14a4000 flags=0x0070]

[Corentin Labbe]

Le Wed, Feb 05, 2025 at 05:33:50PM +0530, Vasant Hegde a écrit :
> Hi,
> 
> On 2/3/2025 2:35 PM, Corentin Labbe wrote:
> > Hello
> > 
> > I have a supermicro server which is flooded of kernel message:
> > ahci 0000:e6:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0055 address=0xa14a4000 flags=0x0070]
> 
> 0x70 means, Page was present, its write request, but device doesn't have
> required permission.
> 
> As Robin mentioned, it could be FW region. Can you please double check?
> 
> Also what is the failure scenario? You see as soon as you boot or after running
> some tests? Can you provide dmesg?
> 
> -Vasant
> 

Hello

How to double check firmware region ?

For other questions, I just sent an email to Robin with all answers.

Thanks
Regards