[Yaffs] RootFS on Yaffs

[Marco Caamano]

Hi,

I have the basic MTD and Yaffs driver working: I can mount mtd yaffs
partitions, read write data to the partitions OK. But when I try to use
a yaffs partition as the rootfs I get a:

Kernel panic: No init found.

The way I am "uploading" the data is that I first boot using an initrd
image. Then I mount the yaffs partition and copy all the contents of the
root fs to the yaffs partition (create the dev nodes, symlinks, etc..).
Then I reboot and instruct the kernel to use yaffs as the root
partition.

I've also tried passing the init=/sbin/init , init=/bin/sh, ...

Any suggestions on what could be the issue?


Marco


Linux version 2.6.4-cadenux (mcaamano at warlock) (gcc version 3.2.3) #32
Mon Mar 13 17:37:49 CST 2006
CPU: ARM926EJ-Sid(wb) [41069263] revision 3 (ARMv5TEJ)
CPU: D VIPT write-back cache
CPU: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU: D cache: 8192 bytes, associativity 4, 32 byte lines, 64 sets
Machine: DM320 EVM
Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 14336
  DMA zone: 14336 pages, LIFO batch:3
  Normal zone: 0 pages, LIFO batch:1
  HighMem zone: 0 pages, LIFO batch:1
Built 1 zonelists
Kernel command line: root=/dev/mtdblock3 rootfstype=yaffs
PID hash table entries: 256 (order 8: 2048 bytes)
Memory: 56MB = 56MB total
Memory: 55044KB available (1356K code, 184K data, 60K init)
Calibrating delay loop... 87.65 BogoMIPS
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
CPU: Testing write buffer coherency: ok
POSIX conformance testing by UNIFIX
NET: Registered protocol family 16
Informing kernel about built-in devices
ttyS0 at MMIO 0x30300 (irq = 12) is a DM320
ttyS1 at MMIO 0x30380 (irq = 13) is a DM320
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
loop: loaded (max 8 devices)
eth0: cs8900 rev J found at 0xd8000300
cs89x0: Extended EEPROM checksum bad and no Cirrus EEPROM, relying on
command line
cs89x0 media RJ-45, IRQ 27, programmed I/O, MAC 02:e0:de:ad:be:f1
Using noop io scheduler
NAND device: Manufacturer ID: 0xec, Chip ID: 0x73 (Samsung NAND 16MiB
3,3V 8-bit)
Scanning device for bad blocks
Using static partition definition
MTD snapshot-20060224 [http://linux-mtd.infradead.org]
Creating 5 MTD partitions on "NAND 16MiB 3,3V 8-bit":
0x0001c000-0x0003c000 : "Bootloader"
0x0003c000-0x0004c000 : "Bootloader Parameters"
0x0004c000-0x0024c000 : "Kernel Image"
0x0024c000-0x00a4c000 : "Primary File System"
0x00a4c000-0x01000000 : "Secondary File System"
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 4096 bind 8192)
NET: Registered protocol family 1
NET: Registered protocol family 17
yaffs: Attempting MTD mount on 31.3
VFS: Mounted root (yaffs filesystem) readonly.
Freeing init memory: 60K
Kernel panic: No init found.  Try passing init= option to kernel.