Hi,

I am getting very frequent panics (3 per day) on a 3.2-RELEASE server.:
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
fault virtual address   = 0xbfca0b0c
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc0255fa3
stack pointer           = 0x10:0xcccb6f08
frame pointer           = 0x10:0xcccb6f18
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         = 59793 (httpd)
interrupt mask          = net tty bio cam  <- SMP: XXX
trap number             = 12
panic: page fault
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0

# nm /kernel | grep c0255f
c0255f3c T pmap_remove_pages

The once the machine reboots, it often follows up (within 5 minutes) with:

panic: sbflush: cc 0 || mb 0 || mbcnt 67108864
mp_lock = 00000001; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0

It is a dual PIII-450 machine, with 512 MB of ram and DPT raid controller 
(maxusers set at 256). The machine is mildly loaded, running http, ftp, 
pop3, smtp, telnet... as well as a low volume NFS client and server. Any 
suggestions as to how to fix these panics would be greatly appreciated. If 
more info is needed I can probably find it.

Thanks in advance,
Anthony.



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