Hi Baolu, I'm seeing another issue with the devices in the HP ilo when the system is booted with intel_iommu=on and iommu=pt (iommu=nopt does not run into problems).
first system: 01:00.0 System peripheral: Hewlett-Packard Company Integrated Lights-Out Standard Slave Instrumentation & System Support (rev 05) 01:00.1 VGA compatible controller: Matrox Electronics Systems Ltd. MGA G200EH 01:00.2 System peripheral: Hewlett-Packard Company Integrated Lights-Out Standard Management Processor Support and Messaging (rev 05) 01:00.4 USB controller: Hewlett-Packard Company Integrated Lights-Out Standard Virtual USB Controller (rev 02) [ 21.208103] pci 0000:01:00.0: Adding to iommu group 24 [ 21.210911] pci 0000:01:00.0: Using iommu dma mapping [ 21.212635] pci 0000:01:00.1: Adding to iommu group 24 [ 21.214326] pci 0000:01:00.1: Device uses a private identity domain. [ 21.216507] pci 0000:01:00.2: Adding to iommu group 24 [ 21.618173] pci 0000:01:00.4: Adding to iommu group 24 [ 21.619839] pci 0000:01:00.4: Device uses a private identity domain. [ 26.206832] uhci_hcd: USB Universal Host Controller Interface driver [ 26.209044] uhci_hcd 0000:01:00.4: UHCI Host Controller [ 26.210897] uhci_hcd 0000:01:00.4: new USB bus registered, assigned bus number 3 [ 26.213247] uhci_hcd 0000:01:00.4: detected 8 ports [ 26.214810] uhci_hcd 0000:01:00.4: port count misdetected? forcing to 2 ports [ 26.217153] uhci_hcd 0000:01:00.4: irq 16, io base 0x00003c00 [ 26.219171] uhci_hcd 0000:01:00.4: 32bit DMA uses non-identity mapping [ 26.221261] uhci_hcd 0000:01:00.4: unable to allocate consistent memory for frame list [ 26.223787] uhci_hcd 0000:01:00.4: startup error -16 [ 26.225381] uhci_hcd 0000:01:00.4: USB bus 3 deregistered [ 26.227378] uhci_hcd 0000:01:00.4: init 0000:01:00.4 fail, -16 [ 26.229296] uhci_hcd: probe of 0000:01:00.4 failed with error -16 different system with similar issue: 01:00.0 System peripheral [0880]: Hewlett-Packard Company Integrated Lights-Out Standard Slave Instrumentation & System Support [103c:3306] (rev 07) 01:00.1 VGA compatible controller [0300]: Matrox Electronics Systems Ltd. MGA G200eH3 [102b:0538] (rev 02) (prog-if 00 [VGA controller]) 01:00.2 System peripheral [0880]: Hewlett-Packard Company Integrated Lights-Out Standard Management Processor Support and Messaging [103c:3307] (rev 07) 01:00.4 USB controller [0c03]: Hewlett-Packard Company iLO5 Virtual USB Controller [103c:22f6] (prog-if 20 [EHCI]) [ 13.695663] pci 0000:01:00.0: Adding to iommu group 10 [ 13.703667] pci 0000:01:00.0: Using iommu dma mapping [ 13.708871] pci 0000:01:00.1: Adding to iommu group 10 [ 13.714033] pci 0000:01:00.1: DMAR: Device uses a private identity domain. [ 13.721033] pci 0000:01:00.2: Adding to iommu group 10 [ 13.726290] pci 0000:01:00.4: Adding to iommu group 10 [ 13.731453] pci 0000:01:00.4: DMAR: Device uses a private identity domain. [ 17.157796] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 17.164348] ehci-pci: EHCI PCI platform driver [ 17.170061] ehci-pci 0000:01:00.4: EHCI Host Controller [ 17.175457] ehci-pci 0000:01:00.4: new USB bus registered, assigned bus number 1 [ 17.182912] ehci-pci 0000:01:00.4: DMAR: 32bit DMA uses non-identity mapping [ 17.189988] ehci-pci 0000:01:00.4: can't setup: -12 [ 17.194884] ehci-pci 0000:01:00.4: USB bus 1 deregistered [ 17.200567] ehci-pci 0000:01:00.4: init 0000:01:00.4 fail, -12 [ 17.206508] ehci-pci: probe of 0000:01:00.4 failed with error -12 I'm looking through the code and trying to debug it, but any thoughts on this? Regards, Jerry _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
