Messages in this thread | | | Subject | Re: "iommu/vt-d: Delegate DMA domain to generic iommu" series breaks megaraid_sas | From | Qian Cai <> | Date | Tue, 11 Jun 2019 10:00:02 -0400 |
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> On Jun 10, 2019, at 9:41 PM, Lu Baolu <baolu.lu@linux.intel.com> wrote: > > Ah, good catch! > > The device failed to be attached by a DMA domain. Can you please try the > attached fix patch?
It works fine.
> > [ 101.885468] pci 0000:06:00.0: DMAR: Device is ineligible for IOMMU > domain attach due to platform RMRR requirement. Contact your platform > vendor. > [ 101.900801] pci 0000:06:00.0: Failed to add to iommu group 23: -1 > > Best regards, > Baolu > > On 6/10/19 10:54 PM, Qian Cai wrote: >> On Mon, 2019-06-10 at 09:44 -0400, Qian Cai wrote: >>> On Sun, 2019-06-09 at 10:43 +0800, Lu Baolu wrote: >>>> Hi Qian, >>>> >>>> I just posted some fix patches. I cc'ed them in your email inbox as >>>> well. Can you please check whether they happen to fix your issue? >>>> If not, do you mind posting more debug messages? >>> >>> Unfortunately, it does not work. Here is the dmesg. >>> >>> https://raw.githubusercontent.com/cailca/tmp/master/dmesg?token=AMC35QKPIZBYUM >>> FUQKLW4ZC47ZPIK >> This one should be good to view. >> https://cailca.github.io/files/dmesg.txt > <0001-iommu-vt-d-Allow-DMA-domain-attaching-to-rmrr-locked.patch>
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