Hi,everyone.I encounter some difficult when i boot my linux on a mtdblock .
the u-boot parameters:
bootargs=console=ttyS0,115200n8 noinitrd rw root=/dev/mtdlbock3
rootfstype=jffs2 nolock init=/bin/sh
the system boot up messages are:
Starting kernel ...
Uncompressing
Linux......................................................................................
done, booting the kernel.
Linux version 2.6.24-davinci1 ([EMAIL PROTECTED]) (gcc version 4.0.0 (DENX ELDK
4.1 4.0.0)) #44 Thu Apr 24 17:50:14 CST 2008
CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
Machine: DaVinci EVM
Memory policy: ECC disabled, Data cache writeback
DaVinci DM6446 variant 0x0
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 4, 32 byte lines, 128 sets
CPU0: D cache: 8192 bytes, associativity 4, 32 byte lines, 64 sets
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024
Kernel command line: console=ttyS0,115200n8 noinitrd rw root=/dev/mtdlbock3
rootfstype=jffs2 nolock init=/bin/sh
PID hash table entries: 1024 (order: 10, 4096 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 256MB = 256MB total
Memory: 257024KB available (2440K code, 224K data, 104K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 64 bytes
NET: Registered protocol family 16
DaVinci: 71 gpio irqs
NET: Registered protocol family 2
Time: timer0_1 clocksource has been installed.
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
JFFS2: default compression mode: priority
io scheduler noop registered
io scheduler anticipatory registered (default)
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0x1c20000 (irq = 40) is a 16550A
console [ttyS0] enabled
RAMDISK driver initialized: 1 RAM disks of 32768K size 1024 blocksize
DaVinci EMAC: Unable to read MAC from EEPROM, no i2c support in kernel.
TI DaVinci EMAC: MAC address is deadbeaf
TI DaVinci EMAC Linux version updated 4.0
TI DaVinci EMAC: Installed 1 instances.
Linux video capture interface: v2.00
physmap platform flash device: 01000000 at 02000000
physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
NOR chip too large to fit in mapping. Attempting to cope...
Amd/Fujitsu Extended Query Table at 0x0040
physmap-flash.0: CFI does not contain boot bank location. Assuming top.
number of CFI chips: 1
cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.
Reducing visibility of 32768KiB chip to 16384KiB
cmdlinepart partition parsing not available
RedBoot partition parsing not available
Using physmap partition information
Creating 4 MTD partitions on "physmap-flash.0":
0x00000000-0x00030000 : "bootloader"
0x00030000-0x00040000 : "params"
0x00040000-0x00240000 : "kernel"
0x00240000-0x01000000 : "filesystem"
sysfs: duplicate filename 'physmap-flash.0' can not be created
WARNING: at fs/sysfs/dir.c:424 sysfs_add_one()
[<c0026994>] (dump_stack+0x0/0x14) from [<c00b1ee4>] (sysfs_add_one+0x4c/0xf8)
[<c00b1e98>] (sysfs_add_one+0x0/0xf8) from [<c00b2470>] (create_dir+0x58/0xac)
r6:fffffff4 r5:cfc19e9c r4:cfd7eea8
[<c00b2418>] (create_dir+0x0/0xac) from [<c00b24fc>]
(sysfs_create_dir+0x38/0x4c)
r8:c0298b74 r7:00000000 r6:00000001 r5:c0299da8 r4:c0299e10
[<c00b24c4>] (sysfs_create_dir+0x0/0x4c) from [<c0120710>]
(kobject_add+0xcc/0x1ac)
r4:c0299e10
[<c0120644>] (kobject_add+0x0/0x1ac) from [<c014d170>] (device_add+0x84/0x590)
r8:c0299e10 r7:00000000 r6:00000001 r5:c0299da8 r4:0000001c
[<c014d0ec>] (device_add+0x0/0x590) from [<c0150c70>]
(platform_device_add+0x100/0x154)
[<c0150b70>] (platform_device_add+0x0/0x154) from [<c0150ce4>]
(platform_device_register+0x20/0x24)
r7:00000000 r6:c001eb60 r5:00000000 r4:c0299da0
[<c0150cc4>] (platform_device_register+0x0/0x24) from [<c001a5d4>]
(physmap_init+0x24/0x34)
r4:00000000
[<c001a5b0>] (physmap_init+0x0/0x34) from [<c0008aa4>] (kernel_init+0xb4/0x284)
r4:c001f858
[<c00089f0>] (kernel_init+0x0/0x284) from [<c0036240>] (do_exit+0x0/0x6e8)
kobject_add failed for physmap-flash.0 with -EEXIST, don't try to register
things with the same name in the same directory.
[<c0026994>] (dump_stack+0x0/0x14) from [<c01207a0>] (kobject_add+0x15c/0x1ac)
[<c0120644>] (kobject_add+0x0/0x1ac) from [<c014d170>] (device_add+0x84/0x590)
r8:c0299e10 r7:00000000 r6:00000001 r5:c0299da8 r4:0000001c
[<c014d0ec>] (device_add+0x0/0x590) from [<c0150c70>]
(platform_device_add+0x100/0x154)
[<c0150b70>] (platform_device_add+0x0/0x154) from [<c0150ce4>]
(platform_device_register+0x20/0x24)
r7:00000000 r6:c001eb60 r5:00000000 r4:c0299da0
[<c0150cc4>] (platform_device_register+0x0/0x24) from [<c001a5d4>]
(physmap_init+0x24/0x34)
r4:00000000
[<c001a5b0>] (physmap_init+0x0/0x34) from [<c0008aa4>] (kernel_init+0xb4/0x284)
r4:c001f858
[<c00089f0>] (kernel_init+0x0/0x284) from [<c0036240>] (do_exit+0x0/0x6e8)
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
Root-NFS: No NFS server available, giving up.
VFS: Unable to mount root fs via NFS, trying floppy.
List of all partitions:
1f00 192 mtdblock0 (driver?)
1f01 64 mtdblock1 (driver?)
1f02 2048 mtdblock2 (driver?)
1f03 14080 mtdblock3 (driver?)
No filesystem could mount root, tried: jffs2
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
Thanks!
我遥望远处的天空，寻找你的影子。
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