10-05-2009
thx dude..
i hav find a soln for it..
soln:-
syntax:
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1) disable=[scsi chip driver name]
example:
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1) disable=DAC960
---------- Post updated at 04:54 PM ---------- Previous update was at 04:25 PM ----------
i hav a same problem in another acer altos machine
error:
NOTICE: k_trap - Unexpected NMI in system mode!
boot: defbootstr link=mdac
boot: defbootstr link=alad
boot: ahslink
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1)
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,1)
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1) disable=DAC960
boot: defbootstr ahslink=alad Sdsk=alad(0,0,0,1) disable=DAC960
boot: defbootstr ahslink=alad Sdsk=alad(0,0,0,1)
but these command are not working.....
plz help me..
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LEARN ABOUT FREEBSD
boot.config
BOOT.CONFIG(5) BSD File Formats Manual BOOT.CONFIG(5)
NAME
boot.config -- Configuration file for the boot blocks
DESCRIPTION
The boot.config file contains options for the FreeBSD boot block code.
When the FreeBSD boot loader runs, it searches the ``a'' slice of the boot partition for a boot.config file (as a result, slices which are
missing an ``a'' partition require user intervention during the boot process). If the boot.config file is found, its contents are used as
the default configuration options for the boot block code and are echoed to the system console.
A valid format of this file is to put BIOS drive number, a controller type, a unit number, a partition, a kernel file name, and any other
valid boot(8) option on a single line, as it is done at the ``boot:'' prompt.
The options related to the boot image selection described below and all the other options available for boot.config are documented in detail
in the boot(8) manual page.
FILES
/boot.config parameters for the boot blocks (optional)
EXAMPLES
The command:
# echo "-P" > /boot.config
will activate the serial console of FreeBSD.
The command:
# echo "1:ad(1,a)/boot/loader" > /boot.config
will instruct the second stage of boot(8) on the first disk to boot with the third boot(8) stage from the second disk.
The command:
# echo "1:ad(1,a)/boot/loader -P" > /boot.config
will do both of the above.
SEE ALSO
boot(8), loader(8)
AUTHORS
This manual page was written by Daniel Gerzo <danger@FreeBSD.org>.
BSD
May 13, 2007 BSD