>From drivers/mmc/host/mvsdio.c:492, this interrupt is an unexpected one,
which cannot be recognized and processed correctly by all branches of
code within this handler. So either this handler is not well designed to
miss this interrupt, or it meets an unexpected hw error.

For the former case, we can do nothing but to push the SOC vendor to test and 
solve it;
For the latter case, we can change another known-well SD card, as well as 
another armadaxp board to see if this is related to the specific SD card (or 
board).

I'll let Marvell guys know this bug; and at the same time, could anybody
test another SD card and board? Thanks!

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https://bugs.launchpad.net/bugs/960383

Title:
  [public] mmc0: unhandled interrupt status=0x8810 en=0x0000 pio=0 -
  sporadic under load

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