CB5的 linaro-desktop 系统，长期使用会有僵死的问题
长期在 官方 linaro-desktop 上面工作，使用命令行，会突然僵死 ，无反应 ，只有重启解决 。挂载了 1TB硬盘 ，查看 /var/log/kern.log 有下列奇怪报错 。请求帮忙解决Mar6 22:07:49 localhost kernel: [ 11.580317] PHY: gmac0-0:00 - Link is Up - 100/Full
Mar6 22:07:55 localhost kernel: [ 18.000036] eth0: no IPv6 routers present
Mar6 22:11:41 localhost kernel: INFO: task vsync proc 0:87 blocked for more than 120 seconds.
Mar6 22:11:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:11:41 localhost kernel: vsync proc 0 D c06cce7c 0 87 2 0x00000000
Mar6 22:11:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:11:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:11:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:11:41 localhost kernel: INFO: task vsync proc 1:88 blocked for more than 120 seconds.
Mar6 22:11:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:11:41 localhost kernel: vsync proc 1 D c06cce7c 0 88 2 0x00000000
Mar6 22:11:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:11:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:11:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:13:41 localhost kernel: INFO: task vsync proc 0:87 blocked for more than 120 seconds.
Mar6 22:13:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:13:41 localhost kernel: vsync proc 0 D c06cce7c 0 87 2 0x00000000
Mar6 22:13:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:13:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:13:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:13:41 localhost kernel: INFO: task vsync proc 1:88 blocked for more than 120 seconds.
Mar6 22:13:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:13:41 localhost kernel: vsync proc 1 D c06cce7c 0 88 2 0x00000000
Mar6 22:13:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:13:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:13:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:15:41 localhost kernel: INFO: task vsync proc 0:87 blocked for more than 120 seconds.
Mar6 22:15:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:15:41 localhost kernel: vsync proc 0 D c06cce7c 0 87 2 0x00000000
Mar6 22:15:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:15:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:15:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:15:41 localhost kernel: INFO: task vsync proc 1:88 blocked for more than 120 seconds.
Mar6 22:15:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:15:41 localhost kernel: vsync proc 1 D c06cce7c 0 88 2 0x00000000
Mar6 22:15:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:15:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:15:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:17:41 localhost kernel: INFO: task vsync proc 0:87 blocked for more than 120 seconds.
Mar6 22:17:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:17:41 localhost kernel: vsync proc 0 D c06cce7c 0 87 2 0x00000000
Mar6 22:17:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:17:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:17:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:17:41 localhost kernel: INFO: task vsync proc 1:88 blocked for more than 120 seconds.
Mar6 22:17:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:17:41 localhost kernel: vsync proc 1 D c06cce7c 0 88 2 0x00000000
Mar6 22:17:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:17:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:17:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:19:41 localhost kernel: INFO: task vsync proc 0:87 blocked for more than 120 seconds.
Mar6 22:19:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:19:41 localhost kernel: vsync proc 0 D c06cce7c 0 87 2 0x00000000
Mar6 22:19:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:19:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:19:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
Mar6 22:19:41 localhost kernel: INFO: task vsync proc 1:88 blocked for more than 120 seconds.
Mar6 22:19:41 localhost kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mar6 22:19:41 localhost kernel: vsync proc 1 D c06cce7c 0 88 2 0x00000000
Mar6 22:19:41 localhost kernel: [<c06cce7c>] (__schedule+0x524/0x600) from [<c06cd040>] (schedule+0x8c/0x90)
Mar6 22:19:41 localhost kernel: [<c06cd040>] (schedule+0x8c/0x90) from [<c005cef4>] (kthread+0x84/0xa8)
Mar6 22:19:41 localhost kernel: [<c005cef4>] (kthread+0x84/0xa8) from [<c0011198>] (kernel_thread_exit+0x0/0x8)
这个log 开机启动之后就有，不一定有关，这个log正在排除中。你跑了什么东西，跑了多久挂了？有完整log吗？。
建议不接硬盘测测看。
建议不接硬盘测测看。
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