smp reboot with atang

[Petri Helenius]

The problem of not being able to reboot without a panic seems to persist on
late current with ATAng and SMP.

Pete
 

Sep 16 13:16:11 rms21 reboot: rebooted by pete
Sep 16 13:16:11 rms21 syslogd: exiting on signal 15
boot() called on cpu#0
Waiting (max 60 seconds) for system process `vnlru' to stop...stopped
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cpuid = 1; lapic.id = 01000000
instruction pointer     = 0x8:0xd70fbd0e
stack pointer           = 0x10:0xd70fbcec
frame pointer           = 0x10:0x8
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 11 (idle: cpu1)
kernel: type 1 trap, code=0
Stopped at      0xd70fbd0e:     ???
db> trace


Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic.id = 01000000
fault virtual address   = 0xc
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc0383880
stack pointer           = 0x10:0xd70fb9f0
frame pointer           = 0x10:0xd70fb9f4
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = resume, IOPL = 0
current process         = 11 (idle: cpu1)
kernel: type 12 trap, code=0