Panic: Page not present: RELENG_6

[Gavin Atkinson]

On Fri, 27 Jul 2007, Larry Rosenman wrote:

> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0xffff803fff800058
> fault code              = supervisor read data, page not present
> instruction pointer     = 0x8:0xffffffff803abb0e
> stack pointer           = 0x10:0xffffffffb5ebfa40
> frame pointer           = 0x10:0xffffffffb5ebfa90
> 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         = 57526 (sshd)
> trap number             = 12
> panic: page fault
> cpuid = 2
> KDB: stack backtrace:
> panic() at panic+0x253
> trap_fatal() at trap_fatal+0x2c6
> trap_pfault() at trap_pfault+0x243
> trap() at trap+0x298
> calltrap() at calltrap+0x5
> --- trap 0xc, rip = 0xffffffff803abb0e, rsp = 0xffffffffb5ebfa40, rbp = 
> 0xffffffffb5ebfa90 ---
> pmap_remove_pages() at pmap_remove_pages+0xde
> vmspace_exit() at vmspace_exit+0x9a
> exit1() at exit1+0x38c
> sys_exit() at sys_exit+0xe
> syscall() at syscall+0x437
> Xfast_syscall() at Xfast_syscall+0xa8
> --- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x8016a096c, rsp = 
> 0x7fffffffc038, rbp = 0x53c240 ---
> Uptime: 36d18h48m54s

How recent is the source used to build this kernel?

Gavin