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  • linux kernel tainted

    日志中会有一些信息:

    dmesg | grep -i tainted

    具体代码可以通过proc看到:

    cat /proc/sys/kernel/tainted

    数字的意义:

    tainted:

    Non-zero if the kernel has been tainted. Numeric values, which
    can be ORed together:

    1 - A module with a non-GPL license has been loaded, this includes modules with no license.Set by modutils >= 2.4.9 and module-init-tools.
    2 - A module was force loaded by insmod -f.Set by modutils >= 2.4.9 and module-init-tools.
    4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
    8 - A module was forcibly unloaded from the system by rmmod -f.
    16 - A hardware machine check error occurred on the system.
    32 - A bad page was discovered on the system.
    64 - The user has asked that the system be marked "tainted". This could be because they are running software that directly modifies the hardware, or for other reasons.
    128 - The system has died.
    256 - The ACPI DSDT has been overridden with one supplied by the user instead of using the one provided by the hardware.
    512 - A kernel warning has occurred.
    1024 - A module from drivers/staging was loaded.
    2048 - The system is working around a severe firmware bug.
    4096 - An out-of-tree module has been loaded.
    8192 - An unsigned module has been loaded in a kernel supporting module signature.
    16384 - A soft lockup has previously occurred on the system.
    32768 - The kernel has been live patched.

    http://www.cnblogs.com/skynext/
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  • 原文地址:https://www.cnblogs.com/skynext/p/4793627.html
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