On Tue, Jan 18, 2022 at 03:32:45PM +0100, Paul Menzel wrote: > On a Dell OptiPlex 5055 with an Intel SSDPEKKF512G8, Linux 5.10.82 reported > an IO_PAGE_FAULT error. This is the first and only time this has happened. > > $ dmesg --level=err > [ 4.194306] nvme 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT > domain=0x000c address=0xffffc080 flags=0x0050] > [ 4.206970] nvme 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT > domain=0x000c address=0xffffc000 flags=0x0050] > [ 7.327820] kfd kfd: VERDE not supported in kfd > $ lspci -nn -s 01:00.0 > 01:00.0 Non-Volatile memory controller [0108]: Intel Corporation SSD Pro > 7600p/760p/E 6100p Series [8086:f1a6] (rev 03)
I think it's a bug with the iommu implementation. If it causes problems, you can typically work around it with kernel parameter "iommu=soft". _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu