Hi,

On my cubietruck with 3.16.0-rc7-00007-g31dab71, my rootfs is not being 
mounted rw, so my ubuntu complains. Manually remounting works.

Here is the relevant section of dmesg:

 sunxi-mmc 1c12000.mmc: No vqmmc regulator found
 sunxi-mmc 1c12000.mmc: base:0xf00f6000 irq:67
 vcc3v0: disabling
 sunxi-mmc 1c12000.mmc: smc 1 err, cmd 8, RTO !!
 mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
 EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature incompatibilities
 EXT4-fs (mmcblk0p2): couldn't mount as ext2 due to feature incompatibilities
 mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
 mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
 EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
 VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
 mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
 mmc1: new high speed SDIO card at address 0001

Any ideas on what the smc 1 err, and CIS tuple 0x80 errors are? Are they 
really responsible for the RO mount, or is there something my 14.04 
ubuntu should be aware about with newer kernels?

For completeness, the mmc storage 16GB UHS-1 micro-SD card.

Luc Verhaegen.

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