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Thread: help needed for device driver "hello word" program

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hi all
trying learn device drivers.
there, executing standard hello.c file using make file. gets executed after sudo insmod ./hello.ko, doesnt give me output, whereas desired output "hello world"....this happening both in ubuntu inside vmware or ubuntu installed on fresh partition. file output on log files well. why happening?? ubuntu version 11.10.

kindly solve query possible.

where checking output? have checked dmesg?


Forum The Ubuntu Forum Community Ubuntu Official Flavours Support General Help [SOLVED] help needed for device driver "hello word" program


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