[ 4.981490] CPU: 1 PID: 6 Comm: kworker/u8:0 Tainted: P 3.10.0 #125
[ 4.981506] Workqueue: kmmcd mmc_rescan
[ 4.981529] [] (unwind_backtrace+0x0/0xe0) from [] (show_stack+0x10/0x14)
[ 4.981543] [] (show_stack+0x10/0x14) from [] (dw_mci_set_ios+0x9c/0x214)
[ 4.981558] [] (dw_mci_set_ios+0x9c/0x214) from [] (mmc_set_chip_select+0x18/0x1c)
[ 4.981569] [] (mmc_set_chip_select+0x18/0x1c) from [] (mmc_go_idle+0x34/0xc4)
[ 4.981580] [] (mmc_go_idle+0x34/0xc4) from [] (mmc_rescan_try_freq+0x54/0xd0)
[ 4.981589] [] (mmc_rescan_try_freq+0x54/0xd0) from [] (mmc_rescan+0x204/0x298)
[ 4.981601] [] (mmc_rescan+0x204/0x298) from [] (process_one_work+0x29c/0x458)
[ 4.981610] [] (process_one_work+0x29c/0x458) from [] (worker_thread+0x194/0x2d4)
[ 4.981621] [] (worker_thread+0x194/0x2d4) from [] (kthread+0xa0/0xac)
[ 4.981633] [] (kthread+0xa0/0xac) from [] (ret_from_fork+0x14/0x3c)
[ 4.981641] dw_mci_set_ios: wait for unbusy timeout… STATUS = 0x206 [mmc2]
[ 4.983622] 1358..dw_mci_set_ios: no card. [mmc2]
[ 4.984618] 1358..dw_mci_set_ios: no card. [mmc2]
[ 4.985610] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.001168] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.020888] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.022870] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.023865] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.024855] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.040537] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.060216] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.062197] 1358..dw_mci_set_ios: no card. [mmc2]
[ 5.063190] 1358..dw_mci_set_ios: no card. [mmc2]
我给reloaded做了一个底板，在插上串口debug以后打印以上信息。并且系统启动（LED）以后，又灭掉了，请问这种情况该怎么处理。