Date: Sat, 19 May 2018 15:56:35 +0530 From: Pratyush Yadav <pratiy0100@gmail.com> To: Akshay Jaggi <jaggi@freebsd.org> Cc: freebsd-xen@freebsd.org Subject: Re: Xen kernel fails to boot, d0v1 triple fault looks like the cuplrit Message-ID: <CA%2BX=3TKDq_7_sXKPBodvEPYAG4se-VgZ_R-8YjKphi9-1dnRZQ@mail.gmail.com> In-Reply-To: <CAAeUNVmgeoqhUxNBocfn99jwARWmCMJ-hov-gQvF6Sp3WpNQ7w@mail.gmail.com> References: <CA%2BX=3T%2BYiUmNNPSSA36QmwYsamgAf0hHEsEock-FcomCHc-Jww@mail.gmail.com> <8B64FF6E-78C5-4803-ACE0-D569EA5FDAB2@FreeBSD.org> <CAAeUNVmgeoqhUxNBocfn99jwARWmCMJ-hov-gQvF6Sp3WpNQ7w@mail.gmail.com>
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Hi, On Fri 18 May, 2018, 6:55 PM Akshay Jaggi, <jaggi@freebsd.org> wrote: > Looks to me like a configuration error. Worst case, incompatible hardware= . > Iirc, you mentioned Xen and Freebsd were on a USB drive. Can you try usin= g > a hard drive partition? > Also, there was an option to enable verbose logging. > I installed on my HDD, but it makes no difference. Also, I have set log level to all, still the logs are not being saved. Regards, > Akshay > > On Fri 18 May, 2018, 2:13 PM Edward Tomasz Napiera=C5=82a, <trasz@freebsd= .org> > wrote: > >> >> > On 18 May 2018, at 12:59, Pratyush Yadav <pratiy0100@gmail.com> wrote: >> > >> > 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 >> > Copyright (c) 1992-2018 The FreeBSD Project. >> > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, >> > 1994 The regents of the University of California. All rights reserved. >> > FreeBSD is a registered trademark of The FreeBSD Foundation. >> > 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/GENER= IC >> 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=3D"GenuineIntel" Id=3D0x306c3 Family=3D0x6 Model=3D0x3c Step= ping=3D3 >> > >> Features=3D0x17c1cbf5<FPU,DE,TSC,MSR,PAE,MCE.CX8.APIC,SEP,MCA,CMOV,PAT,A= CPI,MMX >> > FXSR,SSE,SSE2,HTT> >> > >> Features2=3D0xf6f83203<SSE3,PCLMULQDQ,SSSE3,FMA,CX16,SSE4.1,SSE4.2,x2API= C,MOVBE >> > POPCNT,AESNI,XSAVE,AVX,F16C,RDRAND,HV> >> > AMD Features=3D0x20101800<SYSCALL,<s12>NX,LM> >> > AMD Features2=3D0x21<<LAHF,ABM> >> > Structured Extended >> Features=3D0x2329<FSGSBASE,BMI1,AVX2,BMI2,ERMS,NFPUSG> >> > Hypervisor: Origin =3D "XenVMMXenVMM" >> > real memory =3D 9991770112 (9528 MB) >> > avail memory =3D 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=3Dn 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=3Dfffffe00009fffa0: >> > (XEN) Fault while accessing guest memory. >> > (XEN) Hardware Dom0 halted: halting machine >> > >> > Any idea why this is happening and how can I fix this? >> >> First thing I=E2=80=99d try is to checkout an earlier version - eg from = three >> months ago) and see if it persist. Another thing to do (in parallel) is= to >> file a PR (http://bugs.freebsd.org). >> >>
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