On Monday, February 27, 2012 10:48:48 AM Jaehoon Chung wrote: > > [ 1.700000] atmel_mci atmel_mci.1: version: 0x410 > > [ 1.710000] atmel_mci atmel_mci.1: using DMA > > [ 1.710000] atmel_mci atmel_mci.1: DMA not available, using PIO > > [ 1.730000] atmel_mci atmel_mci.1: Atmel MCI controller at 0xfffd0000 > > irq 29, 1 slots > > [ 1.740000] Waiting 1sec before mounting root device... > > Root device(eMMC) didn't initialize? > i think good that use the "rootwait" at bootloader > >From what I can tell, the kernel tries to mount root (which is an SD card connected to one of the atmel_mci's) and when it goes to do a PIO read it (according to the address in the leaf register) causes an oops. The bootloader loads the kernel from the same SD card, so I don't think there is a hardware issue. Cheers, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html