Date: Fri, 18 May 2018 17:29:06 +0530 From: Pratyush Yadav <pratiy0100@gmail.com> To: FreeBSD-Xen <freebsd-xen@freebsd.org> Cc: Edward Napierala <trasz@freebsd.org>, Akshay Jaggi <jaggi@freebsd.org> Subject: Xen kernel fails to boot, d0v1 triple fault looks like the cuplrit Message-ID: <CA%2BX=3T%2BYiUmNNPSSA36QmwYsamgAf0hHEsEock-FcomCHc-Jww@mail.gmail.com>
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Hi,
So I have been trying to get Xen to boot on my laptop. It is getting
stuck with the following error messages:
(XEN) Scrubbing free RAM on 1 nodes using 4 CPUs
(XEN) [VT-D] DMAR: [DMA Read} Request device [0000:00:1a.0] fault addr
9ce13000. iommu reg - ffff82c000203000
(XEN) [VT-D] DMAR: reason 06 - PTE read access is not set
(XEN) ........... done
(XEN) initial low memory virq threshold set at 0x200 pages.
(XEN) Std. Loglevel: All
(XEN) Guest Loglevel: All
(XEN) Xen is keeping VGA console
(XEN) Boot video device 00:02.0
(XEN) ***Serial input -> DOM0 (type 'CTRL-a' three times to switch input to Xen)
(XEN) Freed 320 kB init memory
FreeBSD PVH running on xen-3.0-x86_64p
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FreeBSD 12.0-CURRENT #0 r333606: Mon May 14 19:59:08 UTC 2018
root@releng3.nyi.freebsd.org:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
WARNING: WITNESS option enabled, expect reduced performance.
VT(vga): text 80x25
CPU: Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz (2494.22-MHz K8-class CPU)
Origin="GenuineIntel" Id=0x306c3 Family=0x6 Model=0x3c Stepping=3
Features=0x17c1cbf5<FPU,DE,TSC,MSR,PAE,MCE.CX8.APIC,SEP,MCA,CMOV,PAT,ACPI,MMX
FXSR,SSE,SSE2,HTT>
Features2=0xf6f83203<SSE3,PCLMULQDQ,SSSE3,FMA,CX16,SSE4.1,SSE4.2,x2APIC,MOVBE
POPCNT,AESNI,XSAVE,AVX,F16C,RDRAND,HV>
AMD Features=0x20101800<SYSCALL,<s12>NX,LM>
AMD Features2=0x21<<LAHF,ABM>
Structured Extended Features=0x2329<FSGSBASE,BMI1,AVX2,BMI2,ERMS,NFPUSG>
Hypervisor: Origin = "XenVMMXenVMM"
real memory = 9991770112 (9528 MB)
avail memory = 7936724992 (7569 MB)
(XEN) d0v1 Triple fault - invoking HVM shutdown action 0
(XEN) *** Dumping Dom0 vcpu#1 state: ***
(XEN) ----[ Xen-4.7.2 x86_64 debug=n Not tainted ]----
(XEN) CPU: 1
(XEN) RIP: 0020:[<ffffffff8102042b>]
(XEN) RFLAGS: 0000000000010016 CONTEXT: hvm guest (d0v1)
(XEN) rax: 0000000000000000 rbx: ffffffff8201c100 rcx: 0000000000000001
(XEN) rdx: 0000000000003078 rsi: ffffffff81b992f8 rdi: fffffe0003bb6078
(XEN) rbp: fffffe00009ffff0 rsp: fffffe00009fffa0 r8: 00000000ffffffff
(XEN) r15: 0000000000000400 cr0: 0000000000000011 cr4: 0000000000000020
(XEN) cr3: 00000000035a4000 cr2: 0000000000000ff0
(XEN) ds: 0028 es: 0028 fs: 0028 gs: 0028 ss: 0028 cs: 0020
(XEN) Guest stack trace from rsp=fffffe00009fffa0:
(XEN) Fault while accessing guest memory.
(XEN) Hardware Dom0 halted: halting machine
Any idea why this is happening and how can I fix this?
Thanks,
Pratyush Yadav
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