[ts-7000] TS-7250: Unable to mount the root fs

["Edwin" <>]

Dear All,

Since yesterday I'm having this kernel panic while the kernel is booting from a 
new compiled kernel and also with the vmlinux-7250-ts9.bin:

"Kernel panic: VFS: Unable to mount root fs on 1f:01"

And also I don't know why this estrange symbols (0x0�[K:�) appear 
in the initial line, the complete message is this:

Using base address 0x00218000 and length 0x0�[K:�Linux version 
2.4.26-ts9  (gcc 6
CPU: Arm920Tid(wb) revision 0                                                   
                 
Machine: ep9301                                                                 
                 
On node 0 totalpages: 2048                                                      
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 1 totalpages: 2048                                                      
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 2 totalpages: 2048                                                      
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 3 totalpages: 2048                                                      
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 12 totalpages: 2048                                                     
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 13 totalpages: 2048                                                     
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 14 totalpages: 2048                                                     
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
On node 15 totalpages: 2048                                                     
                 
zone(0): 2048 pages.                                                            
                 
zone(1): 0 pages.                                                               
                 
zone(2): 0 pages.                                                               
                 
Kernel command line: console=ttyAM0,115200 root=/dev/mtdblock1                  
                 
Console: colour dummy device 80x30                                              
                 
Calibrating delay loop... 99.94 BogoMIPS                                        
                 
Memory: 8MB 8MB 8MB 8MB 8MB 8MB 8MB 8MB = 64MB total                            
                 
Memory: 61044KB available (1191K code, 330K data, 72K init)                     
                 
Dentry cache hash table entries: 8192 (order: 4, 65536 bytes)                   
                 
Inode cache hash table entries: 4096 (order: 3, 32768 bytes)                    
                 
Mount cache hash table entries: 512 (order: 0, 4096 bytes)                      
                 
Buffer cache hash table entries: 4096 (order: 2, 16384 bytes)                   
                 
Page-cache hash table entries: 16384 (order: 4, 65536 bytes)                    
                 
CPU: Testing write buffer: pass                                                 
                 
POSIX conformance testing by UNIFIX                                             
                 
Linux NET4.0 for Linux 2.4                                                      
                 
Based upon Swansea University Computer Society NET3.039                         
                 
Initializing RT netlink socket                                                  
                 
Starting kswapd                                                                 
                 
devfs: v1.12c (20020818) Richard Gooch                    
                 
devfs: boot_options: 0x1                                                        
                 
ttyAM0 at MMIO 0x808c0000 (irq = 52) is a AMBA                                  
                 
ttyAM1 at MMIO 0x808d0000 (irq = 54) is a AMBA                                  
                 
ttyAM2 at MMIO 0x808e0000 (irq = 55) is a AMBA                                  
                 
pty: 1024 Unix98 ptys configured                                                
                 
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ enabled      
                 
rtc: no TS-5620 RTC detected.                                                   
                 
ep93xx_eth() version: ep93xx_eth.c: V1.0 09/04/2003 Cirrus Logic                
                 
RAMDISK driver initialized: 16 RAM disks of 12288K size 1024 blocksize          
                 
about to do sbc_setinfo                                                         
                 
Searching for NAND flash...                                                     
                 
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 
8-bit)               
Scanning device for bad blocks                                                  
                 
Bad eraseblock 0 at 0x00000000                                                  
                 
Bad eraseblock 1 at 0x00020000                                                  
                 
Using static partition definition                                               
                 
Creating 3 MTD partitions on "NAND 128MiB 3,3V 8-bit":                          
                 
0x00000000-0x00004000 : "TS-BOOTROM"                                            
                 
mtd: partition "TS-BOOTROM" doesn't end on an erase block -- force read-only    
                 
0x00004000-0x07d04000 : "Linux"                                                 
                 
mtd: partition "Linux" doesn't start on an erase block boundary -- force 
read-only               
0x07d04000-0x08000000 : "RedBoot"                                               
                 
mtd: partition "RedBoot" doesn't start on an erase block boundary -- force 
read-only             
NET4: Linux TCP/IP 1.0 for NET4.0                                               
                 
IP Protocols: ICMP, UDP, TCP, IGMP                                              
                 
IP: routing cache hash table of 512 buckets, 4Kbytes                            
                 
TCP: Hash tables configured (established 4096 bind 8192)                        
                 
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.                             
                 
NetWinder Floating Point Emulator V0.97 (double precision)                      
                 
VFS: Cannot open root device "mtdblock1" or 1f:01                               
                 
Please append a correct "root=" boot option                                     
                 
Kernel panic: VFS: Unable to mount root fs on 1f:01                             
                 
 
I previously work with a TS7260 with no problems, and I recently bought a new 
TS7250 and step with this issue.

Thanks in advance,

Edwin Samanez,



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