Thanks very much Alexander, I'll test t the patch this weekend.

John

Lorenzo Perone wrote:
COOL! THANKS a LOT Alexander!

Can't believe it. You post a panic at 11pm and get a patch at 1pm next day...? You must be crazy! ;)

Works for me. I patched against 8/stable. I'll be testing the machine a bit more. But for now, no panics!

I guess the patch should be committed soon, also because it's really happening quite at beginning, without a RAC/ILO you're locked out pretty fast, and mpt is used on many DELL/HP setups.

while true ; do echo Thank You ; done

Lorenzo

On 26.02.10 13:25, Alexander Motin wrote:
John J. Rushford wrote:
I'm running into the same problem, mpt(4) panic on FreeBSD 8-STABLE.

I'm running FreeBSD 8.0-STABLE, the current kernel was cvsup'd and built
@ January 14th, 2010.  I cvsup'd tonight, 2/25/2010, and built a new
kernel.  Attached is the panic when I tried to boot into single user
mode, I was able to boot up on the old kernel built on January 14th.

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address    = 0x10
fault code        = supervisor read data, page not present
instruction pointer    = 0x20:0xffffffff8019c4bd
stack pointer            = 0x28:0xffffff80e81d5ba0
frame pointer            = 0x28:0xffffff80e81d5bd0
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        = 6 (mpt_raid0)
trap number        = 12
panic: page fault

Attached patch should fix the problem.





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