Older usb controllers might not support sdhc cards which are those that are 
larger than 4GB.  And we entirely lack support for SDXC which starts at 32GB if 
I recall properly. 

Fixing SDXC would be easy were it not for exFAT which is the filesystem used on 
such devices.  That filesystem requires a patent license from Microsoft which 
makes it a nonstarter for illumos.  Blame MicroShaft. 

Sent from my iPhone

> On Oct 2, 2014, at 5:43 AM, Josef 'Jeff' Sipek via illumos-discuss 
> <[email protected]> wrote:
> 
>> On Thu, Oct 02, 2014 at 02:25:45PM +0200, Predrag Zecevic [Unix Systems 
>> Administrator] wrote:
>>> On 10/ 2/14 02:02 PM, Josef 'Jeff' Sipek via illumos-discuss wrote:
>>>> On Thu, Oct 02, 2014 at 10:09:44AM +0200, Predrag Zecevic [Unix Systems 
>>>> Administrator] via illumos-discuss wrote:
>>>> Hi all,
>>>> 
>>>> I would like to see bug https://www.illumos.org/issues/4453 fixed
>>>> (especially because it looks like is not hard to do it) soon.
>>> 
>>> Keep in mind, illumos is a volunteer community.  If no one feels like fixing
>>> a bug, no one will.  You can always try to convince people that fixing a
>>> certain bug is a good idea - either with words or money.  Yes, it can be a
>>> bit frustrating not having the community consider your bugs the most
>>> important, but that's just the way it is.  Not just in Illumos but in any
>>> open source OS.
>> 
>> Sure, but would be nice to get any feedback, if possible.
> 
> But you got a bunch of feedback.  The bug got closed months ago, with
> suggestions about possible problem you're looking at.
> 
> ...
>>> Based on my quick reading, that bug is not valid.  As Garrett said in one of
>>> the comments, there is no sdcard driver.  It sounds like there will never be
>>> such a driver.  So, that's that for the bug that's there.
>> 
>> Well it has started as 'no driver for sdcard. At the end it resulted in
>> something else.
> 
> Yep, that's what happens sometimes.  Not a problem.
> 
>>> Now, the issue you actually seem to care about is not being able to mount
>>> MicroSD card.  This is a separate issue.  It should have a separate bug.
>>> Based on my quick reading, it sounds different updates either work or don't.
>>> This is strange because there were no changes that scream "I broke MicroSD
>>> card access".  Frankly, there's not enough information here to figure out
>>> what the problem is.  I suggest you open a new bug about this, with a title
>>> that better reflects the issue (not being able to access SD cards) and put
>>> all the information there.  E.g., are you trying to use larger (4GB or more)
>>> SDHC card?
>> 
>> It is not about size of MicroSD card, it is about missing support for that
>> USB devices most of time.
> 
> Are you 100% certain?  Because I'm not.  I have a USB N-in-1 dongle thing
> that can read SD cards, but when I plug in my 16GB SDHC card it goes crazy
> and doesn't show up on the bus.  Smaller (non SDHC cards) work for me.  I
> don't know if it is related to SDHC or what, but unless you tried different
> SDHC cards - some large and some small, I don't think you can say.  I'd like
> to point out that you *never* stated what size SD cards you tried, whether
> they were SDHC, or really any detail whatsoever about what setup works and
> what doesn't.  That sort of information is sometimes what makes or breaks a
> bug report.
> 
> I strongly suspect that the instances where in worked something was
> different (e.g., you use a small SD card) because no one touched the code
> related to USB in eons.
> 
> Jeff.
> 
> -- 
> Hegh QaQ law'
> quvHa'ghach QaQ puS
> 
> 
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  • Re: [disc... Josef 'Jeff' Sipek via illumos-discuss
    • Re: ... Predrag Zecevic [Unix Systems Administrator] via illumos-discuss
      • ... Josef 'Jeff' Sipek via illumos-discuss
        • ... Predrag Zecevic [Unix Systems Administrator] via illumos-discuss
          • ... Udo Grabowski via illumos-discuss
            • ... Udo Grabowski via illumos-discuss
              • ... Predrag Zecevic [Unix Systems Administrator] via illumos-discuss
              • ... Predrag Zecevic [Unix Systems Administrator] via illumos-discuss
          • ... Josef 'Jeff' Sipek via illumos-discuss
            • ... Predrag Zecevic [Unix Systems Administrator] via illumos-discuss
        • ... Garrett D'Amore via illumos-discuss

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