On Dec 2, 2014, at 9:54 AM, Roger Pau Monné <roger....@citrix.com> wrote:

> Hello,
> 
> Thanks for trying it out.


I’ve been excited about FreeBSD Dom0 for 4+ years … and excited to see 
progress.  Once I can get it working, I’ll work on the 4th loader for auto 
booting xen+freebsd. 


> I assume that this box is capable of booting FreeBSD without Xen.

yes, I’ve gotten the latest -head running on it as well as pvh_dom0_v8, and 
compiled world and kernel of both on this hardware.  I also still have XCP 1.6 
on the other drive, and has been running Xen+Linux for while now.


> 
> Could you get the file/line number of at least the 3 entries above?
> 
> Also, could you paste the full log of Xen+FreeBSD when booted using
> boot_verbose? (up to the point of the panic)
> 
> Roger.

Below is the boot. One thing I’m not getting, is serial output from the Xen 
kernel. The IPMI SOL is on 0x3e8 (com3), and using com3 doesn’t seem to get the 
xen kernel to output anything.

Can you or someone point me to how to get the line numbers ?  Since this is 
panic-ing before swap on/dumpon … I’m not sure out to get the dump and load 
into kgdb with the symbols.  My guess is that I need to use remote debugging to 
do this. 


OK load /boot/xen
/boot/xen data=0x1dc260+0x4dda0 /
OK load kernel
/boot/kernel/kernel size=0x149f35d
OK load zfs
/boot/kernel/zfs.ko size 0x2f3d90 at 0x185c000
loading required module 'opensolaris'
/boot/kernel/opensolaris.ko size 0xdff0 at 0x1b50000
OK load if_tap
/boot/kernel/if_tap.ko size 0xa6a8 at 0x1b5e000
OK boot
Booting...
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
SMAP type=01 base=0000000000000000 len=0000000000099400
SMAP type=02 base=0000000000099400 len=0000000000006c00
SMAP type=02 base=00000000000e0000 len=0000000000020000
SMAP type=01 base=0000000000100000 len=000000007ff66000
SMAP type=09 base=00000000df78e000 len=0000000000002000
SMAP type=03 base=00000000df790000 len=000000000000e000
SMAP type=04 base=00000000df79e000 len=0000000000032000
SMAP type=02 base=00000000df7d0000 len=0000000000010000
SMAP type=02 base=00000000df7ec000 len=0000000010814000
SMAP type=02 base=00000000fee00000 len=0000000000001000
SMAP type=02 base=00000000ffc00000 len=0000000000400000
Table 'FACP' at 0xdf790290
Table 'APIC' at 0xdf790390
APIC: Found table at 0xdf790390
APIC: Using the Xen PV enumerator.
SMP: Added CPU 0 (BSP)
SMP: Added CPU 2 (AP)
SMP: Added CPU 4 (AP)
SMP: Added CPU 6 (AP)
Copyright (c) 1992-2014 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 11.0-CURRENT #1 6039027(pvh_dom0_v8): Tue Dec  2 04:26:58 UTC 2014
    r...@borg.dpdtech.com:/usr/obj/usr/src/sys/GENERIC amd64
FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
WARNING: WITNESS option enabled, expect reduced performance.
Preloaded elf multiboot kernel "/boot/xen" at 0xffffffff81bf4000.
Preloaded elf kernel "/boot/kernel/kernel" at 0xffffffff81bf4168.
Preloaded elf obj module "/boot/kernel/zfs.ko" at 0xffffffff81bf4240.
Preloaded elf obj module "/boot/kernel/opensolaris.ko" at 0xffffffff81bf4a68.
Preloaded elf obj module "/boot/kernel/if_tap.ko" at 0xffffffff81bf5098.
Hypervisor: Origin = "XenVMMXenVMM"
Calibrating TSC clock ... TSC clock: 2400007932 Hz
CPU: Intel(R) Xeon(R) CPU           E5620  @ 2.40GHz (2400.01-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x206c2  Family=0x6  Model=0x2c  Stepping=2
  
Features=0x1fcbebff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT>
  
Features2=0x82982283<SSE3,PCLMULQDQ,EST,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,AESNI,HV>
  AMD Features=0x20100800<SYSCALL,NX,LM>
  AMD Features2=0x1<LAHF>
  TSC: P-state invariant, performance statistics
Data TLB: 4 KB pages, 4-way set associative, 64 entries
L2 cache: 256 kbytes, 8-way associative, 64 bytes/line
real memory  = 2147901440 (2048 MB)
Physical memory chunk(s):
0x0000000000010000 - 0x0000000000098fff, 561152 bytes (137 pages)
0x0000000000100000 - 0x00000000001fffff, 1048576 bytes (256 pages)
0x000000000234b000 - 0x000000007cbd9fff, 2055794688 bytes (501903 pages)
avail memory = 2032517120 (1938 MB)
INTR: Adding local APIC 2 as a target
INTR: Adding local APIC 4 as a target
INTR: Adding local APIC 6 as a target
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s)
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP): APIC ID:  2
 cpu2 (AP): APIC ID:  4
 cpu3 (AP): APIC ID:  6
x86bios:  IVT 0x000000-0x0004ff at 0xfffff80000000000
x86bios: SSEG 0x098000-0x098fff at 0xfffffe007b7f8000
x86bios:  ROM 0x0a0000-0x0fefff at 0xfffff800000a0000
random device not loaded; using insecure entropy
ULE: setup cpu 0
ULE: setup cpu 1
ULE: setup cpu 2
ULE: setup cpu 3
Xen interrupt system initialized
Table 'FACP' at 0xdf790290
Table 'APIC' at 0xdf790390
APIC: Found table at 0xdf790390
ACPI: RSDP 0x00000000000FAAB0 000024 (v02 ACPIAM)
ACPI: XSDT 0x00000000DF790100 00007C (v01 SMCI            20100917 MSFT 
00000097)
ACPI: FACP 0x00000000DF790290 0000F4 (v03 091710 FACP1846 20100917 MSFT 
00000097)
ACPI BIOS Warning (bug): 32/64X length mismatch in FADT/Gpe0Block: 128/64 
(20140926/tbfadt-646)
ACPI: DSDT 0x00000000DF790630 0066F5 (v01 10009  10009000 00000000 INTL 
20051117)
ACPI: FACS 0x00000000DF79E000 000040
ACPI: APIC 0x00000000DF790390 0000D2 (v01 091710 APIC1846 20100917 MSFT 
00000097)
ACPI: MCFG 0x00000000DF790470 00003C (v01 091710 OEMMCFG  20100917 MSFT 
00000097)
ACPI: OEMB 0x00000000DF79E040 00007B (v01 091710 OEMB1846 20100917 MSFT 
00000097)
ACPI: HPET 0x00000000DF79A630 000038 (v01 091710 OEMHPET  20100917 MSFT 
00000097)
ACPI: XMAR 0x00000000DF79E0C0 000128 (v01 AMI    OEMDMAR  00000001 MSFT 
00000097)
ACPI: SSDT 0x00000000DF7A0040 000363 (v01 DpgPmm CpuPm    00000012 INTL 
20051117)
ACPI: EINJ 0x00000000DF79A670 000130 (v01 AMIER  AMI_EINJ 20100917 MSFT 
00000097)
ACPI: BERT 0x00000000DF79A800 000030 (v01 AMIER  AMI_BERT 20100917 MSFT 
00000097)
ACPI: ERST 0x00000000DF79A830 0001B0 (v01 AMIER  AMI_ERST 20100917 MSFT 
00000097)
ACPI: HEST 0x00000000DF79A9E0 0000A8 (v01 AMIER  ABC_HEST 20100917 MSFT 
00000097)
MADT: Interrupt override: source 0, irq 2
xen: register IRQ#2
MADT: Interrupt override: source 9, irq 20
xen: register IRQ#20
cpu0 BSP XEN PV LAPIC
snd_unit_init() u=0x00ff8000 [512] d=0x00007c00 [32] c=0x000003ff [1024]
feeder_register: snd_unit=-1 snd_maxautovchans=16 latency=5 feeder_rate_min=1 
feeder_rate_max=2016000 feeder_rate_round=25
wlan: <802.11 Link Layer>
Hardware, Intel Secure Key RNG: RDRAND is not present
Hardware, VIA Nehemiah Padlock RNG: VIA Padlock RNG not present
kbd: new array size 4
kbd1 at kbdmux0
mem: <memory>
nfslock: pseudo-device
null: <full device, null device, zero device>
Falling back to <Software, Yarrow> random adaptor
random: <Software, Yarrow> initialized
VESA: calling BIOS POST
module_register_init: MOD_LOAD (vesa, 0xffffffff80dac160, 0) error 6
io: <I/O>
VMBUS: load
hptrr: RocketRAID 17xx/2xxx SATA controller driver v1.2
hptnr: R750/DC7280 controller driver v1.0.1
hpt27xx: RocketRAID 27xx controller driver v1.1
xenpv0: <Xen PV bus> on motherboard
Grant table initialized
xc0: <Xen Console> on xenpv0
xen_et0: <Xen PV Clock> on xenpv0
Event timer "XENTIMER" frequency 1000000000 Hz quality 950
Timecounter "XENTIMER" frequency 1000000000 Hz quality 950
xen_et0: registered as a time-of-day clock (resolution 10000000us, adjustment 
5.000000000s)
pvcpu0: <Xen PV CPU> on xenpv0
pvcpu1: <Xen PV CPU> on xenpv0
pvcpu2: <Xen PV CPU> on xenpv0
pvcpu3: <Xen PV CPU> on xenpv0
xenstore0: <XenStore> on xenpv0
xsd_dev0: <Xenstored user-space device> on xenpv0
evtchn0: <Xen event channel user-space device> on xenpv0
privcmd0: <Xen privileged interface user-space device> on xenpv0
isa0: <ISA bus> on xenpv0
acpi0: <SMCI > on motherboard
ACPI: All ACPI Tables successfully acquired
PCIe: Memory Mapped configuration base @ 0xe0000000
acpi0: could not allocate interrupt
ACPI Exception: AE_ALREADY_EXISTS, Unable to install System Control Interrupt 
handler (20140926/evevent-152)
acpi0: Could not enable ACPI: AE_ALREADY_EXISTS
device_attach: acpi0 attach returned 6
qpi0: <QPI system bus> on motherboard
pcib0: <QPI Host-PCI bridge> pcibus 255 on qpi0
pci255: <Xen PCI bus> on pcib0
pci255: domain=0, physical bus=255
found-> vendor=0x8086, dev=0x2c70, revid=0x02
        domain=0, bus=255, slot=0, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d81, revid=0x02
        domain=0, bus=255, slot=0, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d90, revid=0x02
        domain=0, bus=255, slot=2, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d91, revid=0x02
        domain=0, bus=255, slot=2, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d92, revid=0x02
        domain=0, bus=255, slot=2, func=2
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d93, revid=0x02
        domain=0, bus=255, slot=2, func=3
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d94, revid=0x02
        domain=0, bus=255, slot=2, func=4
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d95, revid=0x02
        domain=0, bus=255, slot=2, func=5
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d98, revid=0x02
        domain=0, bus=255, slot=3, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d99, revid=0x02
        domain=0, bus=255, slot=3, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d9a, revid=0x02
        domain=0, bus=255, slot=3, func=2
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2d9c, revid=0x02
        domain=0, bus=255, slot=3, func=4
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da0, revid=0x02
        domain=0, bus=255, slot=4, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da1, revid=0x02
        domain=0, bus=255, slot=4, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da2, revid=0x02
        domain=0, bus=255, slot=4, func=2
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da3, revid=0x02
        domain=0, bus=255, slot=4, func=3
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da8, revid=0x02
        domain=0, bus=255, slot=5, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2da9, revid=0x02
        domain=0, bus=255, slot=5, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2daa, revid=0x02
        domain=0, bus=255, slot=5, func=2
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2dab, revid=0x02
        domain=0, bus=255, slot=5, func=3
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2db0, revid=0x02
        domain=0, bus=255, slot=6, func=0
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2db1, revid=0x02
        domain=0, bus=255, slot=6, func=1
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2db2, revid=0x02
        domain=0, bus=255, slot=6, func=2
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)
found-> vendor=0x8086, dev=0x2db3, revid=0x02
        domain=0, bus=255, slot=6, func=3
        class=06-00-00, hdrtype=0x00, mfdev=1
        cmdreg=0x0006, statreg=0x0000, cachelnsz=0 (dwords)
        lattimer=0x00 (0 ns), mingnt=0x00 (0 ns), maxlat=0x00 (0 ns)


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x18
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff803376f1
stack pointer           = 0x28:0xffffffff823228d0
frame pointer           = 0x28:0xffffffff82322940
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (swapper)
[ thread pid 0 tid 100000 ]
Stopped at      AcpiNsWalkNamespace+0x31:       movq    0x18(%rsi),%rax
db>




-
David P. Discher
http://davidpdischer.com/
AIM: DavidDPD | Y!M: daviddpdz 

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