Re: could not mount a spi-flash on rootfs

[カオ ミン ヒェップ <cm-hiep-HEF513clHfp3+QwDJ9on6Q@public.gmane.org>]

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Hi Geert-san

Thanks for your replying


>> "EXT3-fs (mtdblock2): error: can't find ext3 filesystem on dev mtdblock2.
>> EXT2-fs (mtdblock2): error: can't find an ext2 filesystem on dev mtdblock2.
>> EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
>> FAT-fs (mtdblock2): bogus number of reserved sectors
>> FAT-fs (mtdblock2): Can't find a valid FAT filesystem
>> FAT-fs (mtdblock2): bogus number of reserved sectors
>> FAT-fs (mtdblock2): Can't find a valid FAT filesystem
>> mount: you must specify the filesystem type"
>> root@linaro-nano:~# mount /dev/mtdblock2 /mnt/
> Does it make a difference if you explicitly specify the file system type,
> by adding "-t ext3"?
I have tried to specify the system type by adding "-t ext3" or "-t ext4",
but it has no change anything.
I attached the qspi test logs file. Please see it.

>> I have enabled ext2,3,4 file systems when configuring the kernel.
>> and I saw that the qspi driver code is same with upstream version code that
>> be good.
>> maybe the problem related to mtd (m25p80.c) (?)
>> I attach the logs files when making a spi-flash partition and mount it on
>> rootfs.
> It looks like the file system wasn't written correctly to the device.
> Do you see anything suspicious in the kernel log (dmesg)?
No, I don't see anything suspicious in the kernel log. It is normally 
log for qspi.

> You mentioned you tested this on upstream-ltsi v3.10.31.
> Do you mean the above test, which failed?
yes, I do.
>> root@linaro-nano:~# fdisk /dev/mtdblock2
> [...]
>
>> root@linaro-nano:~# mkfs.ext3 /dev/mtdblock2
> BTW, why do you run fdisk on /dev/mtdblock2 first?
> According to your logs, you're running mkfs.ext3 on the raw /dev/mtdblock2
> afterwards, erasing your partition table again.
Thanks, I got it.


Best regards,
Hiep


[-- Attachment #2: qspi-test-log.txt --]
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renesas_spi qspi.0: master is unqueued, this is deprecated
m25p80 spi0.0: s25fl512s (65536 Kbytes)
Creating 3 MTD partitions on "m25p80":
0x000000000000-0x000000040000 : "loader"
0x000000040000-0x000000440000 : "user"
0x000000440000-0x000004000000 : "flash"
renesas_spi qspi.0: probed


# mkfs.ext3 -t ext3 /dev/mtdblock2                                    
mke2fs 1.42.5 (29-Jul-2012)
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
15296 inodes, 61184 blocks
3059 blocks (5.00%) reserved for the super user
First data block=1
Maximum filesystem blocks=62652416
8 block groups
8192 blocks per group, 8192 fragments per group
1912 inodes per group
Superblock backups stored on blocks: 
        8193, 24577, 40961, 57345

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done

root@linaro-nano:~# mount /dev/mtdblock2 /mnt/
EXT3-fs (mtdblock2): error: can't find ext3 filesystem on dev mtdblock2.
EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
FAT-fs (mtdblock2): bogus number of reserved sectors
FAT-fs (mtdblock2): Can't find a valid FAT filesystem
FAT-fs (mtdblock2): bogus number of reserved sectors
FAT-fs (mtdblock2): Can't find a valid FAT filesystem
mount: you must specify the filesystem type
root@linaro-nano:~# mount -t ext3 /dev/mtdblock2 /mnt/                                  
EXT3-fs (mtdblock2): error: can't find ext3 filesystem on dev mtdblock2.
mount: wrong fs type, bad option, bad superblock on /dev/mtdblock2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so




# mkfs.ext4 -t ext4 /dev/mtdblock2 
mke2fs 1.42.5 (29-Jul-2012)
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
15296 inodes, 61184 blocks
3059 blocks (5.00%) reserved for the super user
First data block=1
Maximum filesystem blocks=62652416
8 block groups
8192 blocks per group, 8192 fragments per group
1912 inodes per group
Superblock backups stored on blocks: 
        8193, 24577, 40961, 57345

Allocating group tables: done                            
Writing inode tables: done                            
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information:    


done

root@linaro-nano:~# 
root@linaro-nano:~# 
root@linaro-nano:~# 
root@linaro-nano:~# mount -t ext4 /dev/mtdblock2 /mnt/
EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
mount: wrong fs type, bad option, bad superblock on /dev/mtdblock2,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

root@linaro-nano:~# mount /dev/mtdblock2 /mnt/
EXT3-fs (mtdblock2): error: can't find ext3 filesystem on dev mtdblock2.
EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
EXT4-fs (mtdblock2): VFS: Can't find ext4 filesystem
FAT-fs (mtdblock2): bogus number of reserved sectors
FAT-fs (mtdblock2): Can't find a valid FAT filesystem
FAT-fs (mtdblock2): bogus number of reserved sectors
FAT-fs (mtdblock2): Can't find a valid FAT filesystem
mount: you must specify the filesystem type