why would my onboard SD/MMC reader suddenly stop working?

Liam Proven lproven at gmail.com
Sun Nov 11 13:35:07 UTC 2012


On 11 November 2012 13:31, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
> On Sun, 11 Nov 2012, Liam Proven wrote:
>
>> On 11 November 2012 12:43, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
>> >
>> >   currently, on my ASUS G74S laptop, i get absolutely no activity when
>> > i insert a perfectly valid SD card.  used to be, it would be mounted
>> > automatically -- now ... nothing.
>> >
>> >   i've rolled my own kernels for quite some time, and i just keep
>> > using the same .config.  i've checked the kernel config options, and
>> > pretty much everything under SD/MMC is selected as modules.
>> >
>> >   i've tailed the kern.log file, i've put udev in monitor mode trying
>> > to figure out if *anything* recognizes that an SD card has been
>> > inserted and nothing so far.  the mmc_block module is currently
>> > loaded.
>> >
>> >   am i just stupidly missing something obvious?  i mean, besides the
>> > reader itself being actually broken?
>> >
>> >   off to experiment some more ...
>>
>> [1] Try a different card.
>> [2] Try the suspect card in a different machine and/or different reader.
>> [3] Try under a different OS, e.g. a LiveCD.
>
>   i'm kind of restricted as i'm not at the office where i have other
> options.  the one thing i can confirm is that the card (micro SD)
> boots my beagleboard xM just fine, so the card itself appears to be
> healthy.  putting it in an adapter and popping it into my laptop is
> what produces nothing, but i can at least confirm that the underlying
> micro SD seems good.

Download, burn & try a live CD or two, then.

Got any other cards you can try?

-- 
Liam Proven • Profile: http://lproven.livejournal.com/profile
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