Subject: memory based root filesystem
To: None <tech-kern@netbsd.org, port-arm@netbsd.org>
From: Kamal R. Prasad <kamalpr@yahoo.com>
List: tech-kern
Date: 01/10/2005 04:44:16
Hello,

 I configured the kernel as per the link here;-
http://www.bsdnewsletter.com/2003/09/Features102.html

I find that mount_ffs fails with errno 79. I have
enabled both MFS and FFS in the config file. Attached
below is the output. Also, the bootup mechanism does
not allow me to select mfs (generic, ffs, halt,
reboot)  Can someone help with setting root to RAM?

pasted below output from bootup.

thanks
-kamal
------------------------------------

switching to new L1 page table 
@0xa01fc000...bootstrap done.
init subsystems: stacks vectors undefined page pmap
Copyright (c) 1996, 1997, 14
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All
rights reserved.

NetBSD 2.0 (TRITON) #48: Mon Jan 10 14:21:36 EST 2005
       
kprasad@donald:/home/Product/Biometric/NetBSD/2.0/usr/src/sys/arch/evbaN
total memory = 16384 KB
avail memory = 8708 KB
mainbus0 (root)
cpu0 at mainbus0: PXA250 rev 6 (XScale core)
cpu0: DC enabled IC enabled WB enabled LABT branch
prediction enabled
cpu0: 32KB/32B 32-way Instruction cache
cpu0: 32KB/32B 32-way write-back-locking Data cache
pxaip0 at mainbus0: PXA2x0 Onchip Peripheral Bus
pxaip0: CPU clock = 99.527 MHz
pxaintc0 at pxaip0 addr 0x40d00000-0x40d0001f:
Interrupt Controller
pxagpio0 at pxaip0 addr 0x40e00000-0x40e0006f: GPIO
Controller
com0 at pxaip0 addr 0x40100000-0x4010001f intr 22:
ns16550a, working fifo
com0: console
saost0 at pxaip0 addr 0x40a00000-0x40a0001f
saost0: SA-11x0 OS Timer
clock: hz=100 stathz = 64
md0: internal 4096 KB image area
cpu_lwp_fork: 0xc07214d4 0xc2a42000 0xc07214d4
0xc07214d4
l1->procaddr=0xc01ed000 l1->procaddr->u_pcb=0xc01ed000
pid=1 pmap=0xc07250e4
l2->procaddr=0xc2a38000 l2->procaddr->u_pcb=0xc2a38000
pid=1 pmap=0xc2a41000
boot device: <unknown>
root on md0a dumps on md0b
no file system for md0 (dev 0x1200)
cannot mount root, error = 79
root device (default md0a):
dump device (default md0b):
file system (default generic): ffs
root on md0a dumps on md0b
cannot mount root, error = 22
------------------------------------------



		
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