Kingston SDC4 don't work with OM2008.9's kernel

[SuperNoa]

The SD is partioned in this way:

Disco /dev/sdf: 4114 MB, 4114612224 byte
127 testine, 62 settori/tracce, 1020 cilindri
Unità = cilindri di 7874 * 512 = 4031488 byte
Identificativo disco: 0x00069e13

Dispositivo Boot      Start         End      Blocks   Id  System
/dev/sdf1               1           4       15717   83  Linux
/dev/sdf2               5         271     1051179   83  Linux
/dev/sdf3             272         402      515747   83  Linux
/dev/sdf4             403        1020     2433066    5  Esteso
/dev/sdf5             403         669     1051148   83  Linux
/dev/sdf6             670         800      515716   83  Linux
/dev/sdf7             801         931      515716   83  Linux
/dev/sdf8             932        1020      350362   83  Linux

/dev/sdf4 is an extended partition, maybe the kernel can't read this kind of
partition?

I'm booting form NAND, if i try to boot from /dev/sdf3 i have kernel panic,
but it succeed in loading the kernel from the firt partition of the SD.

GTA02v6 # mmcinit
Card Type:          SD 2.0 SDHC
Manufacturer:       0x41, OEM "42"
Product name:       "SD4GB", revision 2.0
Serial number:      8914688
Manufacturing date: 7/2008
MMC/SD size:        3MiB
GTA02v6 # ext2load mmc 1 0x32c00000 uImageStable.bin

1912444 bytes read
GTA02v6 # bootm 0x32000000
## Booting kernel from Legacy Image at 32000000 ...
   Image Name:   Openmoko Freerunner Kernel
   Created:      2009-01-16  23:22:46 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1912380 Bytes =  1.8 MB
   Load Address: 30008000
   Entry Point:  30008000
   Verifying Checksum ... OK

[Closed]

This is the error when i try to boot from SD: 

| b301 15717 mmcblk0p1
| b302 1051179 mmcblk0p2
| b303 515747 mmcblk0p3
| b304 1 mmcblk0p4
| No filesystem could mount root, tried ext2
| Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(179.3)


Andy Green wrote:
> 
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> Somebody in the thread at some point said:
> | Most of time i have this error, but sometimes as this morning all
> works fine!
> | This morning i have boot the moko and it sees the SD:
> | Rebooting the problem comes back again! Strange behavior!
> 
> | [    3.430000] usbcore: registered new interface driver hci_usb
> | [    3.435000] mmcblk0: mmc0:0002 SD4GB 4018176KiB
> | [    3.440000]  mmcblk0: p1 p2 p3 p4 < >
> 
> Well normally at this point, negotiations are completed and you can use
> the card without trouble.  All of the important aspects of the card
> communication have been exercised.
> 
> | [   35.795000] FAT: invalid media value (0x00)
> | [   35.800000] VFS: Can't find a valid FAT filesystem on dev mmcblk0.
> | [   35.810000] FAT: invalid media value (0x00)
> | [   35.815000] VFS: Can't find a valid FAT filesystem on dev mmcblk0.
> | [   37.890000] EXT2-fs warning: mounting unchecked fs, running e2fsck is
> | recommended
> | [   38.155000] EXT2-fs warning: mounting unchecked fs, running e2fsck is
> | recommended
> | [   38.380000] EXT2-fs warning: mounting unchecked fs, running e2fsck is
> | recommended
> | [   38.620000] FAT: bogus number of reserved sectors
> | [   38.625000] VFS: Can't find a valid FAT filesystem on dev mmcblk0p4.
> | [   38.635000] FAT: bogus number of reserved sectors
> | [   38.640000] VFS: Can't find a valid FAT filesystem on dev mmcblk0p4.
> 
> I think these errors can be OK, it's the userspace trying to mount
> things various ways, including the block device directly as FAT which is
> seen on Windows formatted stuff sometimes.
> 
> Otherwise there are no real errors in this dmesg it seems.
> 
> Is it always changing whether it will show problems or not every boot?
> So every second boot works?
> 
> - -Andy
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> 
> 

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