unable to read from Sandisk 8Gb SD

Andy Green andy at openmoko.com
Tue Sep 23 01:10:01 CEST 2008

Hash: SHA1

Somebody in the thread at some point said:
| On Mon, Sep 22, 2008 at 10:52:26PM +0100, Andy Green wrote:
|> Somebody in the thread at some point said:
|> | On Mon, Sep 15, 2008 at 9:13 AM, Andy Green <andy at openmoko.com
|> | <mailto:andy at openmoko.com>> wrote:
|> |
|> |     Can you confirm if you need the idle clock set to 1?  What I
think I
|> |     understood about this issue is that it is timeout-related only, it
|> means
|> |     I didn't actually understand what is going on if it needs idle
|> |     clocks too.
|> |
|> |
|> | i am now sure: i don't need it. I made many other experiments (about
|> | log2(50)) and i found out that the maximum value for the sd_max_clock
|> | which can still read the card is
|> There is a patch that should be in tomorrow's kernels that addresses
|> this, at least it gets my Sandisk 8GB SDHC recognized, please let me
|> know if it helped or not.
| With the kernel patch it works for me (Sandisk microSDHC 8 GB). I have
| the device twice and always the card was recognized and mounted. Tomorrow
| (actually today) I will test it more and try to run Debian from the
card (this
| not has worked)

That's great.  FWIW I dd'd 40MB of /dev/urandom on to the SD card,
md5sum'd it and confirmed it was the same after a reboot, so I expect
once it is recognized it acts OK.

- -Andy
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org


More information about the community mailing list