On Thu, Dec 9, 2021 at 5:39 PM Chris Chiu <chris.chiu@xxxxxxxxxxxxx> wrote: > > Hi, > We created a ticket > https://bugzilla.kernel.org/show_bug.cgi?id=215265 that is pretty > similar to https://bugzilla.kernel.org/show_bug.cgi?id=214259. So I > tried the patch on https://lkml.org/lkml/2020/6/17/751 but it doesn't > fix the issue. I also tried to boot with the kernel parameter > `pci=nocrs` but it changed nothing either. I attached the kernel log > with thunderbolt dynamic debug on and lspci output on the ticket. Also > tried to disable the intel_iommu, the DMAR failure seems to go away > but thunderbolt still fails to work. Can anyone suggest what kind of > information is required to help identify the cause of the problem? > Thanks > > Chris Gentle ping. Mika, could you give some advice on this? Thanks
