panic: vm_fault_copy_wired: page missing

[Daniel Braniss]

> On Thu, Apr 15, 2010 at 12:22 AM, Daniel Braniss <danny at cs.huji.ac.il> wrot=e:
> > Hi,
> > I'm getting this with FreeBSD-8-stable, it usually happens when
> > starting apache:
> >
> > panic: vm_fault_copy_wired: page missing
> > cpuid = 3
> > KDB: enter: panic
> > [thread pid 1013 tid 100106 ]
> > Stopped at      kdb_enter+0x3d: movq    $0,0x68f170(%rip)
> > db> tr
> > Tracing pid 1013 tid 100106 td 0xffffff0007a66ae0
> > kdb_enter() at kdb_enter+0x3d
> > panic() at panic+0x17b
> > vm_fault_copy_entry() at vm_fault_copy_entry+0x283
> > vmspace_fork() at vmspace_fork+0x4d0
> > fork1() at fork1+0x35f
> > fork() at fork+0x1c
> > syscall() at syscall+0x1e7
> > Xfast_syscall() at Xfast_syscall+0xe1
> > --- syscall (2, FreeBSD ELF64, fork), rip = 0x8009f41ac, rsp = 0x7fff=ffffe7d8,
> > rbp = 0x800c34a80 ---
> >
> > any help in tracking this?
> > Hi Danny,
>     Can you provide some details about your systems, like amd64 vs
> i386, processor model, amount of RAM, swap, etc?
sure, straight from the lion's mouth:

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FreeBSD 8.0-STABLE #33 r2073: Wed Apr 14 15:29:07 IDT 2010
    danny at sunfire:/r+d/obj/sunfire/r+d/stable/8/sys/HUJI amd64
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Dual-Core AMD Opteron(tm) Processor 2218 (2613.41-MHz K8-class CPU)
  Origin = "AuthenticAMD"  Id = 0x40f13  Family = f  Model = 41  Stepping = 3
  Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,
CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x2001<SSE3,CX16>
  AMD Features=0xea500800<SYSCALL,NX,MMX+,FFXSR,RDTSCP,LM,3DNow!+,3DNow!>
  AMD Features2=0x1f<LAHF,CMP,SVM,ExtAPIC,CR8>
real memory  = 17179869184 (16384 MB)
avail memory = 16562614272 (15795 MB)

the hardware is a Sun X2200.

thanks for any help! this machine is supposed to replace our old web server
and it's not happening :-(

danny