Re: kdump boot failing with IVRS checksum failure

2020-09-24 Thread Joerg Roedel
Hi Jerry, On Mon, Sep 21, 2020 at 11:56:42AM -0700, Jerry Snitselaar wrote: > We are seeing a kdump kernel boot failure in test on an HP DL325 Gen10 > and it was tracked down to 387caf0b759a ("iommu/amd: Treat per-device > exclusion ranges as r/w unity-mapped regions"). Reproduced on 5.9-rc5 >

kdump boot failing with IVRS checksum failure

2020-09-21 Thread Jerry Snitselaar
Hello Joerg, We are seeing a kdump kernel boot failure in test on an HP DL325 Gen10 and it was tracked down to 387caf0b759a ("iommu/amd: Treat per-device exclusion ranges as r/w unity-mapped regions"). Reproduced on 5.9-rc5 and goes away with revert of the commit. There is a follow on commit