/****************************************************************************
* I.MX6 MAC Address 导致的系统崩溃
* 说明：
* 修改了I.MX6的MAC地址之后，忘了提前设置好MAC地址，结果系统崩溃了，通过
* Logcat能看到更多的详细信息，这里就不贴出来了。
*
* 2016-7-26 深圳 南山平山村 曾剑锋
***************************************************************************/ 一、错误现象
warning: `zygote' uses 32-bit capabilities (legacy support in use)
request_suspend_state: wakeup (->) at (-- ::07.704740003 UTC)
cpufreq_interactive_input_connect: connect to AR1020 Touchscreen
acc_open
acc_release
ehci_fsl_bus_resume begins, DR
binder: : binder_alloc_buf failed to map pages in userspace, no vma
binder: : transaction failed , size -
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: : transaction failed , size -
alarm_release: clear alarm, pending
alarm_release: clear alarm, pending
request_suspend_state: wakeup (->) at (-- ::11.919383336 UTC)
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
request_suspend_state: wakeup (->) at (-- ::16.192728336 UTC)
acc_open
acc_release
SysRq : Show Blocked State
task PC stack pid father
ipu1_task D c06a0454 0x00000000
[<c06a0454>] (__schedule+0x3f0/0x960) from [<c046198c>] (ipu_task_thread+0x954/0xe20)
[<c046198c>] (ipu_task_thread+0x954/0xe20) from [<c00ab9a8>] (kthread+0x80/0x88)
[<c00ab9a8>] (kthread+0x80/0x88) from [<c004c408>] (kernel_thread_exit+0x0/0x8)
ipu1_task D c06a0454 0x00000000
[<c06a0454>] (__schedule+0x3f0/0x960) from [<c046198c>] (ipu_task_thread+0x954/0xe20)
[<c046198c>] (ipu_task_thread+0x954/0xe20) from [<c00ab9a8>] (kthread+0x80/0x88)
[<c00ab9a8>] (kthread+0x80/0x88) from [<c004c408>] (kernel_thread_exit+0x0/0x8)
Sched Debug Version: v0., 3.0. #
ktime : 113452.441349
sched_clk : 113623.728013
cpu_clk : 113623.728679
jiffies : sysctl_sched
.sysctl_sched_latency : 10.000000
.sysctl_sched_min_granularity : 1.500000
.sysctl_sched_wakeup_granularity : 2.000000
.sysctl_sched_child_runs_first :
.sysctl_sched_features :
.sysctl_sched_tunable_scaling : (logaritmic) cpu#
.nr_running :
.load :
.nr_switches :
.nr_load_updates :
.nr_uninterruptible :
.next_balance : 4294.948640
.curr->pid :
.clock : 113701.338679
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.yld_count :
.sched_switch :
.sched_count :
.sched_goidle :
.avg_idle :
.ttwu_count :
.ttwu_local : cfs_rq[]:/apps
.exec_clock : 2759.142373
.MIN_vruntime : 0.000001
.min_vruntime : 3436.651263
.max_vruntime : 0.000001
.spread : 0.000000
.spread0 : -20161.851361
.nr_spread_over :
.nr_running :
.load :
.load_avg : 0.000000
.load_period : 9.999999
.load_contrib :
.load_tg :
.se->exec_start : 113701.335013
.se->vruntime : 23598.502624
.se->sum_exec_runtime : 2759.148706
.se->statistics.wait_start : 0.000000
.se->statistics.sleep_start : 0.000000
.se->statistics.block_start : 0.000000
.se->statistics.sleep_max : 0.000000
.se->statistics.block_max : 0.000000
.se->statistics.exec_max : 10.014667
.se->statistics.slice_max : 7.352333
.se->statistics.wait_max : 8.682667
.se->statistics.wait_sum : 264.644972
.se->statistics.wait_count :
.se->load.weight : cfs_rq[]:/
.exec_clock : 12482.048976
.MIN_vruntime : 0.000001
.min_vruntime : 23598.502624
.max_vruntime : 0.000001
.spread : 0.000000
.spread0 : 0.000000
.nr_spread_over :
.nr_running :
.load :
.load_avg : 0.000000
.load_period : 0.000000
.load_contrib :
.load_tg : rt_rq[]:/apps/bg_non_interactive
.rt_nr_running :
.rt_throttled :
.rt_time : 0.000000
.rt_runtime : 700.000000 rt_rq[]:/apps
.rt_nr_running :
.rt_throttled :
.rt_time : 0.000000
.rt_runtime : 800.000000 rt_rq[]:/
.rt_nr_running :
.rt_throttled :
.rt_time : 0.000000
.rt_runtime : 950.000000 runnable tasks:
task PID tree-key switches prio exec-runtime sum-exec sum-sleep
---------------------------------------------------------------------------------------------------------- cpu#
.nr_running :
.load :
.nr_switches :
.nr_load_updates :
.nr_uninterruptible :
.next_balance : 4294.948644
.curr->pid :
.clock : 113561.468346
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.cpu_load[] :
.yld_count :
.sched_switch :
.sched_count :
.sched_goidle :
.avg_idle :
.ttwu_count :
.ttwu_local : cfs_rq[]:/apps
.exec_clock : 2663.667650
.MIN_vruntime : 0.000001
.min_vruntime : 3128.090604
.max_vruntime : 0.000001
.spread : 0.000000
.spread0 : -20470.431114
.nr_spread_over :
.nr_running :
.load :
.load_avg : 10124.628992
.load_period : 9.887333
.load_contrib :
.load_tg :
.se->exec_start : 113561.468346
.se->vruntime : 15696.508707
.se->sum_exec_runtime : 2663.667650
.se->statistics.wait_start : 0.000000
.se->statistics.sleep_start : 0.000000
.se->statistics.block_start : 0.000000
.se->statistics.sleep_max : 0.000000
.se->statistics.block_max : 0.000000
.se->statistics.exec_max : 10.003334
.se->statistics.slice_max : 10.320667
.se->statistics.wait_max : 9.957667
.se->statistics.wait_sum : 186.940998
.se->statistics.wait_count :
.se->load.weight : cfs_rq[]:/
.exec_clock : 5726.917278
.MIN_vruntime : 0.000001
.min_vruntime : 15696.508707
.max_vruntime : 0.000001
.spread : 0.000000
.spread0 : -7902.013011
.nr_spread_over :
.nr_running :
.load :
.load_avg : 0.000000
.load_period : 0.000000
.load_contrib :
.load_tg : rt_rq[]:/apps/bg_non_interactive
.rt_nr_running :
.rt_throttled :
.rt_time : 0.000000
.rt_runtime : 700.000000 rt_rq[]:/apps
.rt_nr_running :
.rt_throttled :
.rt_time : 0.000000
.rt_runtime : 800.000000 rt_rq[]:/
.rt_nr_running :
.rt_throttled :
.rt_time : 0.127000
.rt_runtime : 950.000000 runnable tasks:
task PID tree-key switches prio exec-runtime sum-exec sum-sleep
----------------------------------------------------------------------------------------------------------
R watchdog 3128.090604 3128.090604 40.609997 93720.891012 /apps binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
alarm_release: clear alarm, pending
request_suspend_state: wakeup (->) at (-- ::53.399284015 UTC)
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
request_suspend_state: wakeup (->) at (-- ::57.663358016 UTC)
acc_open
acc_release
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: send failed reply for transaction to :
binder: release proc , transaction , not freed
binder: : transaction failed , size -
binder: : transaction failed , size -
binder: : transaction failed , size -
alarm_release: clear alarm, pending
alarm_release: clear alarm, pending
request_suspend_state: wakeup (->) at (-- ::00.089045682 UTC)
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
request_suspend_state: wakeup (->) at (-- ::04.248906349 UTC)
acc_open
acc_release
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: send failed reply for transaction to :
binder: : transaction failed , size -
binder: : transaction failed , size -
binder: : transaction failed , size -
alarm_release: clear alarm, pending
alarm_release: clear alarm, pending
request_suspend_state: wakeup (->) at (-- ::06.638955350 UTC)
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
request_suspend_state: wakeup (->) at (-- ::10.749826017 UTC)
acc_open
acc_release
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: release : transaction in, still active
binder: send failed reply for transaction to :
binder: send failed reply for transaction to :
binder: send failed reply for transaction to :
binder: send failed reply for transaction to :
binder: : transaction failed , size -
binder: : transaction failed , size -
binder: : transaction failed , size -
binder: : transaction failed , size -
binder: : transaction failed , size -
alarm_release: clear alarm, pending
alarm_release: clear alarm, pending
request_suspend_state: wakeup (->) at (-- ::13.558928351 UTC)
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
init: untracked pid exited
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found!
ERROR: v4l2 capture: slave not found! 二、导致错误的原因：
未设置正确的MAC地址。 三、解决办法：
设置好MAC地址。