mmc/sd remove without umount

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Hi all,

I have a issue when I remove the SD card without unmount before. I
have linux-2.6.23 on powerpc processor that is used the mmc/SD in SPI
mode.

When I remove the card in a file transfer, and try to umount with -l,
I face a problem if I insert it again. The mmc-block registers the
card on a second device /dev/mmcblk1, where before was /dev/mmcblk0.


I have worked in the kernel 3.0 and this issue do not happens.

I already searched in the linux-mmc for answers, but I can't find. Is
it a known issue?

I see that when the problem occurs, the variable md->usage is not
decremented to 0 in the mmc-block driver. Why it occurs?

Regards
Adriano Martins
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