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Wed, 05 Feb 2025 05:41:42 -0800 (PST) Date: Wed, 5 Feb 2025 14:41:40 +0100 From: Corentin Labbe To: Vasant Hegde Cc: joro@8bytes.org, suravee.suthikulpanit@amd.com, will@kernel.org, robin.murphy@arm.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: iommu: flood of ahci 0000:e6:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0055 address=0xa14a4000 flags=0x0070] Message-ID: References: <0e4c38a8-3f7c-4cbe-9dd0-9e73d4d947e0@amd.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <0e4c38a8-3f7c-4cbe-9dd0-9e73d4d947e0@amd.com> 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