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NMI watchdog问题
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tomsun
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May 2, 2012, 7:20:15 AM
5/2/12
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to linuxdriver
各位大侠:
环境:4核,关掉NMI watchdog。
我创建了两个内核线程,不停地轮询访问一个PCIE设备,访问会关中断,然后对这个PCIE设备注入故障,PCIE设备不响应读写请求,发现系统一直hang住。
疑问:我对一个核关中断了,其他核应该可以响应,为什么其他核会hang住呢?
谢谢
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Best Regards,
tomsun
Barry Song
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Aug 29, 2012, 5:25:20 AM
8/29/12
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to linux...@googlegroups.com
你如何确定其他核hang住了呢?你用ICE连了吗,跟踪其他核的运行轨迹了吗?还是总线就挂了导致硬件故障?
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