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我给reloaded做了一个底板，在插上串口debug以后打印以下信息
发表于 2017-11-15 10:09:19
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[ 4.981490] CPU: 1 PID: 6 Comm: kworker/u8:0 Tainted: P 3.10.0 #125
[ 4.981506] Workqueue: kmmcd mmc_rescan
[ 4.981529] [<c0013ec4>] (unwind_backtrace+0x0/0xe0) from [<c001176c>] (show_stack+0x10/0x14)
[ 4.981543] [<c001176c>] (show_stack+0x10/0x14) from [<c05c593c>] (dw_mci_set_ios+0x9c/0x214)
[ 4.981558] [<c05c593c>] (dw_mci_set_ios+0x9c/0x214) from [<c05b2438>] (mmc_set_chip_select+0x18/0x1c)
[ 4.981569] [<c05b2438>] (mmc_set_chip_select+0x18/0x1c) from [<c05b68a0>] (mmc_go_idle+0x34/0xc4)
[ 4.981580] [<c05b68a0>] (mmc_go_idle+0x34/0xc4) from [<c05b2a8c>] (mmc_rescan_try_freq+0x54/0xd0)
[ 4.981589] [<c05b2a8c>] (mmc_rescan_try_freq+0x54/0xd0) from [<c05b3354>] (mmc_rescan+0x204/0x298)
[ 4.981601] [<c05b3354>] (mmc_rescan+0x204/0x298) from [<c0050820>] (process_one_work+0x29c/0x458)
[ 4.981610] [<c0050820>] (process_one_work+0x29c/0x458) from [<c0050b70>] (worker_thread+0x194/0x2d4)
[ 4.981621] [<c0050b70>] (worker_thread+0x194/0x2d4) from [<c0056150>] (kthread+0xa0/0xac)
[ 4.981633] [<c0056150>] (kthread+0xa0/0xac) from [<c000da98>] (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。
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1 灯泡
