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Editorial Team
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Editorial Team
Asked: June 1, 20262026-06-01T20:22:45+00:00 2026-06-01T20:22:45+00:00

I am writing a kernel module, and I want to be able to print

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I am writing a kernel module, and I want to be able to print something on the console output when loading it using insmod module.ko.

I tried using

printk(KERN_EMERG "test kernel emergency\n");

but nothing appears on my console. It does however appear in dmesg.

Extra info:
I am using an Intel x86 32 bit with linux-3.0.0

and cat /proc/sys/kernel/printk gives4 4 1 7

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  1. Editorial Team
    Editorial Team
    2026-06-01T20:22:46+00:00Added an answer on June 1, 2026 at 8:22 pm

    1- make sure you’re in full terminal mode( press Alt+Ctrl+f1)

    2- instead of printk(KERN_EMERG "test kernel emergency\n");
    try

    printk(KERN_ALERT "test kernel alert\n");

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