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imx53-QSRB VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6

Question asked by nabilb on May 19, 2015
Latest reply on May 20, 2015 by nabilb

Hello guys,


I am trying to boot my imx53-qsrb. I'm using a 4.0 kernel. I built u-boot, my kernel put the binaries on a fat16 partition of my Micro SD card. I downloaded a debian rootfs that I put it on the ext4 partition of my sd card. After booting my board here is the output :


U-Boot 2015.04-dirty (May 11 2015 - 15:58:04)                                                            
Board: MX53 LOCO                                                                                         
I2C:   ready                                                                                             
DRAM:  1 GiB                                                                                             
MMC:   FSL_SDHC: 0, FSL_SDHC: 1                                                                          
Out:   serial                                                                                            
Err:   serial                                                                                            
Net:   FEC                                                                                               
Hit any key to stop autoboot:  0                                                                         
switch to partitions #0, OK                                                                              
mmc0 is current device                                                                                   
SD/MMC found on device 0                                                                                 
Checking for: /uEnv.txt ...                                                                              
reading /uEnv.txt                                                                                        
570 bytes read in 11 ms (49.8 KiB/s)                                                                     
Loaded environment from /uEnv.txt                                                                        
Checking if uenvcmd is set ...                                                                           
Running uenvcmd ...                                                                                      
reading zImage                                                                                           
5679310 bytes read in 115 ms (47.1 MiB/s)                                                                
** No boot file defined **                                                                               
Kernel image @ 0x70010000 [ 0x000000 - 0x5653c0 ]                                                        

Starting kernel ...





VFS: Cannot open root device "(null)" or unknown-block(0,0): error -6

Please append a correct "root=" boot option; here are the available partitions:




3837952 mmcblk0p2 b984de4c-02

[2.044505] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)            
[2.052784] drm_kms_helper: panic occurred, switching back to text console                            
[2.060619] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)   

[   25.153014] random: nonblocking pool is initialized