12.2-STABLE r369477 dom0 creash on xen-kernel-4.14.1_1

[Marcin Cieslak]

Hello,

I have just upgrade my machine that used to ran 11.x with Xen 4.7.2_9
as dom0 for a long time.

After upgrade to 12.2-STABLE r369477, runs GENERIC kernel just fine.

Unfortunately it crashes as Xen dom0 with xen-kernel-4.14.1_1

World, kernel and Xen were built from source.

FreeBSD 12.2-STABLE r369477 GENERIC amd64
FreeBSD clang version 10.0.1 (git at github.com:llvm/llvm-project.git llvmorg-10.0.1-0-gef32c611aa2)
VT(vga): resolution 640x480
CPU: Intel(R) Xeon(R) CPU E31245 @ 3.30GHz (3300.09-MHz K8-class CPU)
   Origin="GenuineIntel"  Id=0x206a7  Family=0x6  Model=0x2a  Stepping=7
   Features=0xbfebfbff<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=0x1fbae3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX>
   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
   AMD Features2=0x1<LAHF>
   Structured Extended Features3=0x9c000400<MD_CLEAR,IBPB,STIBP,L1DFL,SSBD>
   XSAVE Features=0x1<XSAVEOPT>
   VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID
   TSC: P-state invariant, performance statistics

The main board is ASUSTek P8B WS.

According to to xen-syms.map:

0xffff82d0402fe9b9 t x86_64/entry.S#create_bounce_frame

0xffff82d0402feaee <-- rip


Marcin
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