[ltp] SD cards always mount read-only

[John Jason Jordan]

On Wed, 12 Oct 2011 19:26:01 +0300
Marius Gedminas <marius@gedmin.as> dijo:

>On Sun, Oct 09, 2011 at 03:37:47PM -0700, John Jason Jordan wrote:
>> Fedora 14, x86_64 on Lenovo Thinkpad T61.
>
>(snip problem description: SD cards are read-only.)
>
>I've a Lenovo Thinkpad T61, running various 32-bit versions of Ubuntu.
>
>The SD-card reader works.  lspci -n tells me it's
>
>15:00.2 SD Host controller [0805]: Ricoh Co Ltd R5C822
>SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 21)
>
>One caveat: if I push the SD card in too deep, it won't register, and
>I'll see read errors in dmesg.  This made me think the card reader was
>unsupported for a long time.

Mine is the same controller. So if it works for you and not for me it
must be that either my controller is defective, or it is software. To
rule out software, what does lsmod say about the modules you are using? 

>> I also need feedback from other T61 users. Has anyone else
>> experienced this with an SD card on a T61? If so, is there a
>> solution? If you have an SD card on a T61 that works read-write, can
>> you give me some details about your distro, brand of SD card, etc.?
>
>I delayed answering your email because I hoped to find a spare SD
>card lying around, to test, and report the model/manufacturer.  They're
>all lost or given away, apparently.

Your response has been very helpful. At least now I know that it must be
possible to get it working.