panic: vm_fault_copy_wired: page missing

[Daniel Braniss]

> 
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> On Thu, Apr 15, 2010 at 10:22:20AM +0300, Daniel Braniss wrote:
> > Hi,
> > I'm getting this with FreeBSD-8-stable, it usually happens when
> > starting apache:
> >=20
> > panic: vm_fault_copy_wired: page missing
> > cpuid =3D 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 =3D 0x8009f41ac, rsp =3D 0x7fff=
> ffffe7d8,=20
> > rbp =3D 0x800c34a80 ---
> >=20
> > any help in tracking this?
> >=20
> > thanks,
> > 	danny
> 
> Is it true that the process started, or at least some of loaded dso
> are from NFS mount ?
everything is nfs :-), the host is dataless
but redusing the amount of physical memory has solved the
problem, so I don't think NFS is the problem.

danny