hi, all,
I compile linux-2.6.30-rc7-davinci with boot option
"console=ttyS0,115200n8 noinitrd rw ip=192.168.0.104 root=/dev/nfs
nfsroot=192.168.0.108:/home/workdir/filesys, nolock mem=116M", but it
doesn't work. it appears error as below:
++++++++++++++++++++++++++++++++++++++++++++++++++
Uncompressing
Linux......................................................................................................
don.Linux version 2.6.30-rc7-davinci1 ([email protected]) (gcc
version 3.4.3 (MontaVista 3.4.3-25.0.104.0600975 2006-07-9CPU:
ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: DaVinci DM355 EVM
Memory policy: ECC disabled, Data cache writeback
DaVinci dm355 variant 0x0
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 29464
Kernel command line: console=ttyS0,115200n8 noinitrd rw ip=192.168.0.104
root=/dev/nfs nfsroot=192.168.0.108:/home/workdir/fiMNR_IRQS:168
PID hash table entries: 512 (order: 9, 2048 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 116MB = 116MB total
Memory: 114232KB available (2884K code, 321K data, 116K init, 0K highmem)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Calibrating delay loop... 107.72 BogoMIPS (lpj=538624)
Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
khelper used greatest stack depth: 6836 bytes left
DaVinci: 104 gpio irqs
net_namespace: 960 bytes
NET: Registered protocol family 16
khelper used greatest stack depth: 6628 bytes left
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
khelper used greatest stack depth: 6496 bytes left
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 4, 81920 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
NET: Registered protocol family 1
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
msgmni has been set to 223
alg: No test for stdrng (krng)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
serial8250.0: ttyS0 at MMIO 0x1c20000 (irq = 40) is a 16550A
console [ttyS0] enabled
serial8250 serial8250.0: unable to register port at index 1 (IO0
MEM1c20400 IRQ41): -22
serial8250 serial8250.0: unable to register port at index 2 (IO0
MEM1e06000 IRQ14): -22
brd: module loaded
mice: PS/2 mouse device common for all mice
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
usbhid: v2.6:USB HID core driver
TCP cubic registered
Initializing XFRM netlink socket
NET: Registered protocol family 17
khelper used greatest stack depth: 6492 bytes left
VFS: Cannot open root device "nfs" or unknown-block(0,255)
Please append a correct "root=" boot option; here are the available
partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,255)
Backtrace:
[<c0029094>] (dump_backtrace+0x0/0x108) from [<c00291b4>]
(dump_stack+0x18/0x1c)
r7:c6c0c000 r6:c031c6c8 r5:fffffffa r4:c6c1df60
[<c002919c>] (dump_stack+0x0/0x1c) from [<c0037a9c>] (panic+0x40/0x124)
[<c0037a5c>] (panic+0x0/0x124) from [<c0008e74>]
(mount_block_root+0x26c/0x2c0)
r3:00000000 r2:ffffffff r1:c6c1df60 r0:c02afdb4
[<c0008c08>] (mount_block_root+0x0/0x2c0) from [<c0009020>]
(mount_root+0x54/0x6c)
[<c0008fcc>] (mount_root+0x0/0x6c) from [<c00091ac>]
(prepare_namespace+0x174/0x1d4)
r5:c0020888 r4:c031c2e4
[<c0009038>] (prepare_namespace+0x0/0x1d4) from [<c0008a80>]
(kernel_init+0xbc/0xe8)
r5:c001f620 r4:c031c2d8
[<c00089c4>] (kernel_init+0x0/0xe8) from [<c003a15c>] (do_exit+0x0/0x62c)
r5:00000000 r4:00000000
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
I want to boot with nfs file system. how to fix this error?
Best Regards!
taco
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