From mboxrd@z Thu Jan 1 00:00:00 1970 From: sudipm.mukherjee@gmail.com (Sudip Mukherjee) Date: Wed, 24 Feb 2016 17:33:11 +0530 Subject: Is there a bug in dgnc.ko? In-Reply-To: <20160224115701.GB1998@debian> References: <20160224045742.GA24012@debian> <20160224054356.GA1138@kroah.com> <20160224115701.GB1998@debian> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Wed, Feb 24, 2016 at 5:27 PM, Navy Cheng wrote: > On Tue, Feb 23, 2016 at 09:43:56PM -0800, Greg KH wrote: >> On Wed, Feb 24, 2016 at 12:57:42PM +0800, Navy Cheng wrote: >> > 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 >> >> Do you have the hardware that this driver controls? > > I'm not sure. My laptop is Dell Inspiron 14R - 5437 and I don't know if > there is the right hardware. I often don't know about what a driver is used > for in drivers/staging/. Is there any good way to know the function of a > driver or module? > >> >> > sudo lsmod | grep dgnc >> >> Does that show anything? > > Output: dgnc 65536 0 > >> > sudo rmmod ./dgnc what did dmesg showed after you did rmmod? regards sudip