On Wed, 24 Feb 2016 12:57:42 +0800, Navy Cheng said: > Hi, > > My kernel version is v4.4, and I have built drivers/staging/dgnc/dgnc.ko. > I change to *dir*/drivers/staging/dgnc and do like this: > > sudo insmod ./dgnc.ko What output, if any, did this generate? > sudo lsmod | grep dgnc Again, what messages? > sudo rmmod ./dgnc Again, what happened? > sudo insmod ./dgnc.ko And here? > After I re-insmod the dgnc module, my laptop is breakdown. What does "breakdown" mean? Did it hang entirely? Did you get a message in your dmesg output and/or on the console? Other? > My OS is debian 8.0. Is there a bug in dgnc.ko or something wrong with my > OS or kernel. If there is a bug, How can I find it? Start by providing enough info to see if there's a bug.
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