[Verse 1] When your module will not load right Check the message buffer's light dmesg will show you what went wrong Symbol errors sing their song Version magic needs to align Or your module will not combine [Chorus] Debug with dmesg, check the logs printk statements clear the fog modinfo shows what you depend on lsmod lists what the system runs on Step by step, trace the flow Find the bug and let it go [Verse 2] Loading fails with symbol unknown Check your exports, make them shown Module dot symvers holds the key Version checksums must agree insmod verbose gives you more Error details to explore [Chorus] Debug with dmesg, check the logs printk statements clear the fog modinfo shows what you depend on lsmod lists what the system runs on Step by step, trace the flow Find the bug and let it go [Bridge] When modules clash and will not play nice Dependency chains need your advice Check the order, check the links Missing symbols break the sync Kernel debugger breaks it down Symbol tables can be found [Verse 3] kgdb connects when systems freeze Remote debugging brings you ease Add some printks, trace the path Avoid the kernel's angry wrath Module parameters help you test Different values find the best [Chorus] Debug with dmesg, check the logs printk statements clear the fog modinfo shows what you depend on lsmod lists what the system runs on Step by step, trace the flow Find the bug and let it go [Outro] From loading fails to runtime crash Debug your modules, make them last Tools and methods light the way Working modules save the day
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