Date: Thu, 25 May 2017 21:53:38 +0300 From: Alex Deiter <alex.deiter@gmail.com> To: freebsd-current <freebsd-current@freebsd.org> Cc: roger.pau@citrix.com, royger@freebsd.org Subject: Rangeley C2758: missed IOMMU support for Xen Dom0 Message-ID: <10A301AB-4F9D-4F62-8912-5F71E604C454@gmail.com>
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Hello, Could you please help me understand what and were i did wrong? =20 Running a FreeBSD 12.0-CURRENT-r318425 GENERIC-NODEBUG and trying to = install Xen Dom0 (xen-4.7.0_2 from ports). HW setup: Supermicro A1SRM-2758F [Intel Rangeley Atom processor C2758] Motherboard spec: = http://supermicro.com/products/motherboard/Atom/X10/A1SRM-2758F.cfm CPU spec: = https://ark.intel.com/products/77988/Intel-Atom-Processor-C2758-4M-Cache-2= _40-GHz loader.conf: hw.pci.mcfg=3D0 xen_kernel=3D"/boot/xen" xen_cmdline=3D"dom0_mem=3D2048M dom0_max_vcpus=3D4 dom0pvh=3D1 = com1=3D115200,8n1 com2=3D115200,8n1 console=3Dcom2 guest_loglvl=3Dall = loglvl=3Dall" Xen Dom0 boot failed with error Full boot log - https://cloud.deiter.ru/index.php/s/bg5lQSjPPSkiTAq ... (XEN) I/O virtualisation disabled ... (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) Presently, iommu must be enabled for PVH hardware domain (XEN) (XEN) **************************************** =20 Boot without Xen kernel is OK Full boot log - https://cloud.deiter.ru/index.php/s/lUXLPnPSTWqqQNO ... CPU: Intel(R) Atom(TM) CPU C2758 @ 2.40GHz (2400.06-MHz K8-class CPU) Origin=3D"GenuineIntel" Id=3D0x406d8 Family=3D0x6 Model=3D0x4d = Stepping=3D8 = Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE= ,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> = Features2=3D0x43d8e3bf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,= CX16,xTPR,PDCM,SSE4.1,SSE4.2,MOVBE,POPCNT,TSCDLT,AESNI,RDRAND> AMD Features=3D0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=3D0x101<LAHF,Prefetch> Structured Extended Features=3D0x2282<TSCADJ,SMEP,ERMS,NFPUSG> VT-x: Basic Features=3D0xda0400<SMM,INS/OUTS,TRUE> Pin-Based Controls=3D0x7f<ExtINT,NMI,VNMI,PreTmr> Primary Processor = Controls=3D0xfff9fffe<INTWIN,TSCOff,HLT,INVLPG,MWAIT,RDPMC,RDTSC,CR3-LD,CR= 3-ST,CR8-LD,CR8-ST,TPR,NMIWIN,MOV-DR,IO,IOmap,MTF,MSRmap,MONITOR,PAUSE> Secondary Processor = Controls=3D0x28ef<APIC,EPT,DT,RDTSCP,VPID,WBINVD,UG,RDRAND,VMFUNC> Exit Controls=3D0xda0400<PAT-LD,EFER-SV,PTMR-SV> Entry Controls=3D0xda0400 EPT Features=3D0x6114141<XO,PW4,UC,WB,2M,INVEPT,single,all> VPID = Features=3D0xf01<INVVPID,individual,single,all,single-globals> ... pci0: <base peripheral, IOMMU> at device 15.0 (no driver attached) pci0: <base peripheral> at device 19.0 (no driver attached) ... # pciconf -lv none1@pci0:0:15:0: class=3D0x080600 card=3D0x082015d9 = chip=3D0x1f168086 rev=3D0x02 hdr=3D0x00 vendor =3D 'Intel Corporation' device =3D 'Atom processor C2000 RCEC' class =3D base peripheral subclass =3D IOMMU Thank you! Alex Deiter alex.deiter@gmail.com
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