Bug 265998 - Fatal trap 12: page fault while in kernel mode
Summary: Fatal trap 12: page fault while in kernel mode
Status: New
Alias: None
Product: Base System
Classification: Unclassified
Component: kern (show other bugs)
Version: 13.1-RELEASE
Hardware: amd64 Any
: --- Affects Only Me
Assignee: freebsd-bugs (Nobody)
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-08-23 07:28 UTC by Budi Janto
Modified: 2022-08-23 17:10 UTC (History)
1 user (show)

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Description Budi Janto 2022-08-23 07:28:28 UTC 
Hi,

# uname -a
FreeBSD SERVER 13.1-RELEASE-p1 FreeBSD 13.1-RELEASE-p1 GENERIC amd64

I use pf on ethernet rl0:

# pciconf -lv
re0@pci0:5:0:0:	class=0x020000 rev=0x06 hdr=0x00 vendor=0x1186 device=0x4300 subvendor=0x1186 subdevice=0x4b10
    vendor     = 'D-Link System Inc'
    device     = 'DGE-528T Gigabit Ethernet Adapter'
    class      = network
    subclass   = ethernet

This snippet output from /var/log/message:
Copyright (c) 1992-2021 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 13.1-RELEASE-p1 GENERIC amd64
FreeBSD clang version 13.0.0 (git@github.com:llvm/llvm-project.git llvmorg-13.0.0-0-gd7b669b3a303)
VT(efifb): resolution 1024x768
CPU: 12th Gen Intel(R) Core(TM) i5-12400 (2496.00-MHz K8-class CPU)
  Origin="GenuineIntel"  Id=0x90675  Family=0x6  Model=0x97  Stepping=5
  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=0x7ffafbbf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
  AMD Features=0x2c100800<SYSCALL,NX,Page1GB,RDTSCP,LM>
  AMD Features2=0x121<LAHF,ABM,Prefetch>
  Structured Extended Features=0x239ca7eb<FSGSBASE,TSCADJ,BMI1,AVX2,FDPEXC,SMEP,BMI2,ERMS,INVPCID,NFPUSG,PQE,RDSEED,ADX,SMAP,CLFLUSHOPT,CLWB,PROCTRACE,SHA>
  Structured Extended Features2=0x98c007ac<UMIP,PKU,WAITPKG,GFNI,VAES,VPCLMULQDQ,RDPID,MOVDIRI,MOVDIR64B>
  Structured Extended Features3=0xfc184410<FSRM,MD_CLEAR,IBT,IBPB,STIBP,L1DFL,ARCH_CAP,CORE_CAP,SSBD>
  XSAVE Features=0xf<XSAVEOPT,XSAVEC,XINUSE,XSAVES>
  IA32_ARCH_CAPS=0xd6b<RDCL_NO,IBRS_ALL,SKIP_L1DFL_VME,MDS_NO,TAA_NO>
  VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr
  TSC: P-state invariant, performance statistics
real memory  = 34359738368 (32768 MB)
avail memory = 33072697344 (31540 MB)

---

Fatal trap 12: page fault while in kernel mode
cpuid = 6; apic id = 06
fault virtual address	= 0x40000000440
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff80bf90ae
stack pointer	        = 0x28:0xfffffe0142863e00
frame pointer	        = 0x28:0xfffffe0142863e80
code segment		= base rx0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 330 (pf purge)
trap number		= 12
panic: page fault
cpuid = 6
time = 1661231102
KDB: stack backtrace:
#0 0xffffffff80c694a5 at kdb_backtrace+0x65
#1 0xffffffff80c1bb5f at vpanic+0x17f
#2 0xffffffff80c1b9d3 at panic+0x43
#3 0xffffffff810afdf5 at trap_fatal+0x385
#4 0xffffffff810afe4f at trap_pfault+0x4f
#5 0xffffffff81087578 at calltrap+0x8
#6 0xffffffff8262bdcc at pf_purge_expired_src_nodes+0x12c
#7 0xffffffff8262ba3a at pf_purge_thread+0x16a
#8 0xffffffff80bd8a9e at fork_exit+0x7e
#9 0xffffffff810885ee at fork_trampoline+0xe
Uptime: 4h9m58s
Dumping 1720 out of 32508 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%..91%---<<BOOT>>---



Thanks.