Why is SD card not detected as removable drive?

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Why is SD card not detected as removable drive?

Postby mistert on Sun Apr 28, 2013 10:06 am

Hi,

I'm running Linuxmint 14 (32-bit). The SD card auto-mounts on insertion, to /media/<username>/<uuid>. However, it is not detected as a removable drive (flag must be set to 0?). This is problematic because I have some software that will only write a security key to a removable drive and there is no way to ignore the requirement.

Does anyone know why this is the case and how I might go about fixing it :?: (I'm still a bit newbish when it comes to linux, so detailed instructions would be much appreciated).

Thanks.
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Re: Why is SD card not detected as removable drive?

Postby mistert on Tue May 28, 2013 11:04 am

Any ideas?
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Re: Why is SD card not detected as removable drive?

Postby Giorat on Thu May 30, 2013 3:31 am

My problem is similar. The reader implemented in my brand new HP notebook does not see the sd card if I use Mint 64 Nadia but reads perfectly with Windows. Both OS are on two different HD. It had never happened with other notebooks on which was mounted Mint 14. I guess could be due to a missing driver or something in the Bios. But I explored the bios carefully and did not find anything. Point out that the sd card is read perfectly if I put in a USB external reader. I ask for help
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Re: Why is SD card not detected as removable drive?

Postby Pierre on Thu May 30, 2013 6:21 am

also seen this issue with a SD card, - works just fine in a usb_external reader,
just not with the one built into the laptop.

changing to a higher version of Mint did nothing, so I'm, still using the external reader ..
haven't tried Mint 14 or 15, as they won't run on my non_pae laptop.
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Re: Why is SD card not detected as removable drive?

Postby eanfrid on Thu May 30, 2013 6:42 am

Please re-read what the OP said.

Your problems have nothing in common: your card-reader is probably using either an "exotic" OEM or Windows-only firmware so it is not managed by native kernel drivers.

The OP has a working card-reader and his problem is that the inserted card is seen as a fixed drive and not as a removable media...
@mistert: can you paste here the content of your /etc/fstab ?
Main desktop: Debian GNU/Linux Wheezy 64bit - MATE 1.8.1
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Re: Why is SD card not detected as removable drive?

Postby mistert on Tue Jun 04, 2013 8:39 am

eanfrid wrote:@mistert: can you paste here the content of your /etc/fstab ?


Thanks for comprehending my issue : )

I can probably dig up my fstab but I don't think there is any reference to the SD card there because LM only auto-mounts the card when I insert it so I think the mount entry is probably written temporarily to another location. There is a flag in a file somewhere (0 or 1) which indicates whether the drive is removeable, however this is written by a process that is unknown to me. I'll check out the fstab anyway, see if there's anything noteworthy in there to post here.
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Re: Why is SD card not detected as removable drive?

Postby mistert on Thu Jun 06, 2013 7:33 am

There's nothing in my fstab related to the SD card and I'm not sure how and where the auto-mount happens.
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