Unable to mount root fs on unknown-block(0,0)

Altera_Forum · ‎12-10-2012

Hi everyone, could anyone answer my question ? Thanks!

1.I got it by using 'default all setting(lose changes)' without chooing the MTD now!

Linux version 3.5.0-rc4+ (root@localhost.localdomain) (gcc version 3.4.6)# 78 PEEMPT Sun Dec 9 21:51:19 EST 2012
bootconsole  enabled
early_console initialized at 0x90800840
On node 0 totalpages: 16384
free_area_init_node: node 0, pgdat 1827d3d0, node_mem_map 1828efa0
  DMA zone: 128 pages used for memmap
  DMA zone: 0 pages reserved
  DMA zone: 16256 pages, LIFO batch:0
pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
pcpu-alloc:  0
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line:
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory available: 62316k/2611k RAM (2203k kernel code, 408k data)
NR_IRQS:64
Calibrating delay loop... 37.06 BogoMIPS (lpj=185344)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 512
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
Switching to clocksource timer
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP: reno registered
UDP hash table entries: 256 (order: 0, 4096 bytes)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
NET: Registered protocol family 1
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
jffs2: version 2.2. (NAND) &#28431; 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler deadline registered (default)
ttyJ0 at MMIO 0x10800840 (irq = 1) is a Altera JTAG UART
console  enabled, bootconsole disabled
console  enabled, bootconsole disabled
8000000.flash: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000
89 Chip ID 0x00227e
Amd/Fujitsu Extended Query Table at 0x0040
  Amd/Fujitsu Extended Query version 1.3.
number of CFI chips: 1
altera_tse-mdio: probed
eth0: Altera TSE MAC at 0x90900000 irq 3/2
TCP: cubic registered
NET: Registered protocol family 17
List of all partitions:
1f00          131072 mtdblock0  (driver?)
No filesystem could mount root, tried:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

I have done the settings in this issue:

http://www.alterawiki.com/wiki/mtd

http://www.alterawiki.com/wiki/devicetree

I enable the JFFS2 supported.

Best Regards