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[bluetooth-dev] RE: Cannot open root device "mtdblock3"..!



The problem seems to be that no partition table was found,
but to be able to analyze the problem further we need some
more information. Can you please provide the following:

* The kernelconfig file that was used to build the kernel.
* The output from 'make files && make images'.
* Whether this was a boot from flash or ram.

//Peter

> -----Original Message-----
> From: axis [mailto:axis2list@xxxxxxx.com] 
> Sent: 12 February 2004 12:25
> To: Peter Kjellerstedt
> Cc: Bluetooth-dev
> Subject: VFS: Cannot open root device "mtdblock3"..!
> 
> 
> Sir,
>     I tried to add a serial port to see the debug
> about why Iam not able to boot and the following is
> the error
> 
> VFS: Cannot open root device "mtdblock3" or 1f:03
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fson 1f:03
>     Sorry for bothering you again,but what could be
> the correct parameters for this and where should I
> specify this before compiling ?
>     And Iam just exploring "etrax100boot" and looking
> for some docs regarding this.
>     Hope to hear from you regarding this if possible.
> Thank You.
> 
>  �ncompressing Linux...
> Done. Now booting the kernel.
> Linux version 2.4.19 (root@xxxxxxx.com) (gcc
> version 296 Axis release R46/1.25) #39 Wed Jan 7
> 16:35:56 CET 2004
> Setting up paging and the MMU.
> On node 0 totalpages: 2048
> zone(0): 2048 pages.
> zone(1): 0 pages.
> zone(2): 0 pages.
> Linux/CRIS port on ETRAX 100LX (c) 2001, 2002 Axis
> Communications AB
> Kernel command : root=/dev/mtdbock3
> Enabling watchdog...
> Calibrating delay loop... 99.73 BogoMIPS
> Memory: 14640k/16384k available (1003k kernel code,
> 1744k reserved, 403k data, 40k init)
> kmem_create: Forcing size word alignment - mm_struct
> kmem_create: Forcing size word alignment - filp
> Dentry cache hash table entries: 2048 (order: 1, 16384
> bytes)
> Inode cache hash table entries: 1024 (order: 0, 8192
> bytes)
> kmem_create: Forcing size word alignment - inode_cache
> Mount-cache hash table entries: 1024 (order: 0, 8192
> bytes)
> kmem_create: Forcing size word alignment - bdev_cache
> kmem_create: Forcing size word alignment - cdev_cache
> Buffer-cache hash table entries: 2048 (order: 0, 8192
> bytes)
> Page-cache hash table entries: 2048 (orde0, 8192
> bytes)
> POSIX conformancsting by UNIFIX
> Linux NET4.0 for Linux 2.4
> Based upon Swansea University Computer Society
> NET3.039
> kmem_create: Forcing size word alignment - sock
> Initializing RT netlink socket
> Starting kswapd
> kmem_create: Forcing size word alignment - file lock
> cache
> JFFS version 1.0, (C) 1999, 2000  Axis Communications
> AB
> kmem_create: Forcing size word alignment - jffs_node
> Bluetooth Driver v1.3, Copyright (c) 2000, 2001, 2002
> Axis Communications AB
> BT SYS: Bluetooth driver registered as ttyBT
> BT SYS: Bluetooth liniscipline registered.
> BT SYS: Registering BT proc files
> Proc entry registered
> BT SYS: Bluetooth er Using ttyBT[0-6] (data), ttyBTC
> (ctrl [7])
> BNEP driver v0.1 (c) 2002 Axis Communications AB
> bnep0 initialized
> bnep1 initialized
> bnep2 initialized
> bnep3 initialized
> bnep4 initiald
> bnep5 initialized
> bnep6 initialized
> kmem_create: Forcing size word alignment -
> blkdev_requests
> PPP generic drivr version 2.4.2
> PPP Deflate Compression module registered
> ETRAX 100LX 10/100MBit ethernet v2.0 (c) 2000-2001
> Axis Communications AB
> eth0 initialized
> eth0: changed MAC to 00:40:8C:CD:00:00
> ETRAX 100LX serial-driver 1.40 $, (c) 2000-2002 Axis
> Communications AB
> ttyS0 at 0xb0000060 is a builtin UART with DMA
> ttyS2 at 0xb0000070 is a builtin UART with DMA
> ttyS3 at 0xb0000078 is a builtin UART with DMA
> fast_timer_init()
> cse0: Proba 0x04000000 bytes large window at
> 0xe0000000.
> cse0: Probing for AMD compatible flash...
> cse0: Found 1 x 2MiB Fujitsu MBM29LV160TE at 0x0
> cse1: Probing a 0x04000000 bytes large window at
> 0xe4000000.
> cse1: Probing for AMD compatible flash...
> cse1: Found 1 x 2MiB Fujitsu MBM29LV160TE 0x0
> Concatenating MTD devices:
> (0): "cse0"
> (1): "cse1"
> into device "cse0+cse1"
> cse0+cse1: 0x00400000 bytes of flash memory.
>  Adding readonly flash partition for romfs image:
>   /dev/fash1 at 0x000ba9cf, size 0x0015a000
>  Using default partition table.
> Creating 3 MTD partitions on "cse0+cse1":
> 0x00000000-0x00010000 : "boot firmware"
> 0x00010000-0x001b0000 : "ke"
> 0x001b0000-0x00200000 : "filesystem"
> GPIO port G: in_bits: 0x3FFF003F out_bits: 0x3E00FF3E
> val: 7D0000C1
> GPIO port G: dir: 0000FF00 changeable: 01FFFF01
> ETRAX 100LX GPIO driver v2.5, (c) 2001, 2002 Axis
> Communications AB
> NET4: Linux TCP/IP 1.0 for NET4.0
> IP Protocols: ICMP, UDP, TCP, IGMP
> kmem_create: Forcing size word alignment -
> ip_dst_cache
> IP: routing cache hash table of 1024 buckets, 8Kbytes
> TCP: Hash tables configured (established 2048 bind
> 2048)
> ip_conntrack (128 buckets, 1024 max)
> ip_tables: (C) 2000-2002 Netfilter core team
> NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> IPv6 v0.8 for NET4.0
> kmem_create: Forcing size word alignment -
> ip6_dst_cache
> IPv6 over IPv4 tunneling driver
> ip6_tables: (C) 2000-2002 Netfilter core team
> NET4: Etheet Bridge 008 for NET4.0
> VFS: Cannot open root device "mtdblock3" or 1f:03
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fson 1f:03
> 
> 
> 
> 
> 
> 
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