Kernel Panic at loading FreeBSD

Dmitry Postolov antarex at
Fri Dec 3 04:00:35 UTC 2010

Hi to All!

Sorry for my bad English...

On my notebook HP ProBook 4510s <NX668EA> (Bios Compaq F17 (latest)) the 
problem of times in some weeks is observed at loading FreeBSD 8.1.


Fatal trap 12: page fault while in kernel mode
cpuid=0; apic id=00
fault virtual adress=0x14
fault code=supervisos read, page not present
instruction pointer=0x20:0xc0966916
stack pointer=0x28:0xea0b7c50
frame pointer=0x28:0xea0b7c50
code segment=base 0x0, limit 0xfffff type 0x1b =DPL 0, pres 1, def 32 1, gran 
processor eflags=interrupt enabled, resume, IOPL=0
current process=15 (acpi_thermal)
trap number=12
ppanic:smp_tlp_shutdown: interrapts disabled
Uptime: 25s
Cannot dump. Device not defined or unavailable
Automatic reboot in 15 seconds - press a key on the console to abort or switch 
off the system now


Loading was spent with options by default (ACPI ON) as at ACPI OFF, the system 
isn't loaded in general on this notebook (into networks there were similar 
cases on this model laptop). Drops out too kernel panic at loading if it is 
necessary - then I will write log.

Any thoughts to solve this problem?

best regards,

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