[Bug 232288] i386 boot time panic of head on amd64 machine

Mon Oct 15 14:53:14 UTC 2018

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=232288

            Bug ID: 232288
           Summary: i386 boot time panic of head on amd64 machine
           Product: Base System
           Version: CURRENT
          Hardware: i386
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: bz at FreeBSD.org

Hi,

cross compiled i386 from amd64, r339354 booted on rabbit4 in the netperf
cluster.

GDB: no debug ports presentl]...
KDB: debugger backends: ddb..
KDB: current backend: ddbe modules!
---<<BOOT>>---
MP Configuration Table version 1.4 found at 0x4fd540r command prompt.
Table 'FACP' at 0x7df408f0el] in 9 seconds...
Table 'APIC' at 0x7df409e8
APIC: Found table at 0x7df409e8
APIC: Using the MADT enumerator.
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-ALPHA9 r339354 GENERIC i386
FreeBSD clang version 6.0.1 (tags/RELEASE_601/final 335540) (based on LLVM
6.0.1)
WARNING: WITNESS option enabled, expect reduced performance.
VT(vga): resolution 640x480
Preloaded elf kernel "/boot/kernel/kernel" at 0x23dd000.
Table 'FACP' at 0x7df408f0
FACP: Found table at 0x7df408f0
Calibrating TSC clock ... TSC clock: 3500078580 Hz
CPU: Intel(R) Xeon(R) CPU E5-2637 v2 @ 3.50GHz (3500.08-MHz 686-class CPU)
  Origin="GenuineIntel"  Id=0x306e4  Family=0x6  Model=0x3e  Stepping=4

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=0x7fbee3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,DCA,SSE4.1,SSE4.2,x2APIC,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100000<NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x1<LAHF>
  Structured Extended Features=0x281<FSGSBASE,SMEP,ERMS>
  XSAVE Features=0x1<XSAVEOPT>
  VT-x: Basic Features=0xda0400<SMM,INS/OUTS,TRUE>
        Pin-Based Controls=0xff<ExtINT,NMI,VNMI,PreTmr,PostIntr>
        Primary Processor
Controls=0xfff9fffe<INTWIN,TSCOff,HLT,INVLPG,MWAIT,RDPMC,RDTSC,CR3-LD,CR3-ST,CR8-LD,CR8-ST,TPR,NMIWIN,MOV-DR,IO,IOmap,MTF,MSRmap,MONITOR,PAUSE>
        Secondary Processor
Controls=0xfff<APIC,EPT,DT,RDTSCP,x2APIC,VPID,WBINVD,UG,APIC-reg,VID,PAUSE-loop,RDRAND>
        Exit Controls=0xda0400<PAT-LD,EFER-SV,PTMR-SV>
        Entry Controls=0xda0400
        EPT Features=0x6134141<XO,PW4,UC,WB,2M,1G,INVEPT,single,all>
        VPID Features=0xf01<INVVPID,individual,single,all,single-globals>
  TSC: P-state invariant, performance statistics
Data TLB: 2 MByte or 4 MByte pages, 4-way set associative, 32 entries and a
separate array with 1 GByte pages, 4-way set associative, 4 entries
Data TLB: 4 KB pages, 4-way set associative, 64 entries
Instruction TLB: 2M/4M pages, fully associative, 8 entries
Instruction TLB: 4KByte pages, 4-way set associative, 64 entries
64-Byte prefetching
Shared 2nd-Level TLB: 4 KByte pages, 4-way associative, 512 entries
L2 cache: 256 kbytes, 8-way associative, 64 bytes/line
real memory  = 34368126976 (32776 MB)
Physical memory chunk(s):
0x0000000000001000 - 0x0000000000099fff, 626688 bytes (153 pages)
0x0000000000100000 - 0x00000000007fffff, 7340032 bytes (1792 pages)
0x0000000002429000 - 0x000000007bb33fff, 2037428224 bytes (497419 pages)
avail memory = 2034909184 (1940 MB)
Table 'FACP' at 0x7df408f0
Table 'APIC' at 0x7df409e8
Table 'FPDT' at 0x7df40ab0
Table 'HPET' at 0x7df40af8
Table 'PRAD' at 0x7df40b30
Table 'SPMI' at 0x7df40bf0
Table 'SSDT' at 0x7df40c30
Table 'EINJ' at 0x7e008718
Table 'ERST' at 0x7e008848
Table 'HEST' at 0x7e008a78
Table 'BERT' at 0x7e008b20
Table 'DMAR' at 0x7e008b50
DMAR: Found table at 0x7e008b50
MADT: Found CPU APIC ID 2 ACPI ID 0: enabled
SMP: Added CPU 2 (AP)
MADT: Found CPU APIC ID 4 ACPI ID 2: enabled
SMP: Added CPU 4 (AP)
MADT: Found CPU APIC ID 6 ACPI ID 4: enabled
SMP: Added CPU 6 (AP)
MADT: Found CPU APIC ID 8 ACPI ID 6: enabled
SMP: Added CPU 8 (AP)
MADT: Found CPU APIC ID 3 ACPI ID 1: enabled
SMP: Added CPU 3 (AP)
MADT: Found CPU APIC ID 5 ACPI ID 3: enabled
SMP: Added CPU 5 (AP)
MADT: Found CPU APIC ID 7 ACPI ID 5: enabled
SMP: Added CPU 7 (AP)
MADT: Found CPU APIC ID 9 ACPI ID 7: enabled
SMP: Added CPU 9 (AP)
Event timer "LAPIC" quality 600
ACPI APIC Table: < >
Package ID shift: 5
L3 cache ID shift: 5
L2 cache ID shift: 1
L1 cache ID shift: 1
Core ID shift: 1
INTR: Adding local APIC 4 as a target
INTR: Adding local APIC 6 as a target
INTR: Adding local APIC 8 as a target
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 hardware threads
Package HW ID = 0
        Core HW ID = 1
                CPU0 (BSP): APIC ID: 2
                CPU1 (AP/HT): APIC ID: 3
        Core HW ID = 2
                CPU2 (AP): APIC ID: 4
                CPU3 (AP/HT): APIC ID: 5
        Core HW ID = 3
                CPU4 (AP): APIC ID: 6
                CPU5 (AP/HT): APIC ID: 7
        Core HW ID = 4
                CPU6 (AP): APIC ID: 8
                CPU7 (AP/HT): APIC ID: 9
APIC: CPU 0 has ACPI ID 0
APIC: CPU 1 has ACPI ID 1
APIC: CPU 2 has ACPI ID 2
APIC: CPU 3 has ACPI ID 3
APIC: CPU 4 has ACPI ID 4
APIC: CPU 5 has ACPI ID 5
APIC: CPU 6 has ACPI ID 6
APIC: CPU 7 has ACPI ID 7
Pentium Pro MTRR support enabled
bios32: Found BIOS32 Service Directory header at 0x4e8500
bios32: Entry = 0xe8510 (4e8510)  Rev = 0  Len = 1
stray irq1

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 02
fault virtual address   = 0x49435024
fault code              = supervisor write, page not present
instruction pointer     = 0x20:0x4e8510
stack pointer           = 0x28:0x2423b68
frame pointer           = 0x28:0x2423ba0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = resume, IOPL = 0
current process         = 0 ()
[ thread pid 0 tid 0 ]
Stopped at      0x4e8510

db> show pcpu
cpuid        = 0
dynamic pcpu = 0x6192c0
curthread    = 0x2133820: pid 0 tid 0 ""
curpcb       = 0x2423c00
fpcurthread  = none
idlethread   = none
APIC ID      = 2
currentldt   = 0x50
trampstk     = 0xffc07ff0
kesp0        = 0x2423bf0
common_tssp  = 0xffc014c0
curvnet      = 0
spin locks held:

db> show thread
Thread 0 at 0x2133820:
 proc (pid 0): 0x21334a8
 stack: 0x2420000-0x2423fff
 flags: 0x4  pflags: 0
 state: INACTIVE
 priority: 0
<..>

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