Sandisk 16GB SDHC not mountable

[Jan Vlug]

 I have problems with my uSD as well since 2.6.32
See this ticket:  http://docs.openmoko.org/trac/ticket/2364
I had no time to test the suggestion in this ticket yet.

Best regards,
Jan.

On 10/02/2010 08:04 PM, Christian Rüb wrote:
> Hi,
>
> I partitioned my 16GB SDHC (class 2) card, so I had a 512MB ext3 primary partition as /dev/mmcblk0p1, but Qi would not boot from it.
> So I booted my NAND system (older SHR-U, 1.6.29 kernel) which shows me correct partition with fdisk -l but would not mount it.
>
> I recreated the filesystem with mkfs.ext3 on freerunner but it still would not mount it. fsck could not even check the fs:
> e2fsck -f -C0 /dev/mmcblk0p1 
> e2fsck 1.41.9 (22-Aug-2009)
> e2fsck: Superblock invalid, trying backup blocks...
> e2fsck: Bad magic number in super-block while trying to open /dev/mmcblk0p1
>
> The superblock could not be read or does not describe a correct ext2
> filesystem.  If the device is valid and it really contains an ext2
> filesystem (and not swap or ufs or something else), then the superblock
> is corrupt, and you might try running e2fsck with an alternate superblock:
>     e2fsck -b 8193 <device>
>
> Trying the fsck suggestion to use an alternate superblock did not help either.
>
> I then created a partition and filesystem over the whole disk, but same result. No chance to even check the filesystem.
>
> I also tried to switch back from Qi with glamo 242 to the old one - still no success.
>
> In my 2 card readers the card does work though.
>
> Does anyone of you have any ideas?
>
> Thanks,
>  Christian
>
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