Experimental Physics and Industrial Control System
Hello! I used to use mrf-linux-driver from MRF. To load mrfioc2 IOC, I should delete pci_mrfevg and pci_mrfevr.
[root@localhost mrmShared]# lsmod |grep mrf
mrf 18421 0
uio 19338 1 mrf
parport 46395 1 mrf
pci_mrfevg 53731 0
pci_mrfevr 53731 0
As above, I want to delete pci_mrfevg and pci_mrfevr. I execute the following command to delete "pci_mrfevr.ko".
[root@localhost]# cd /lib/modules/3.10.0-1160.42.2.el7.x86_64/extra/
[root@localhost]# rm pci_mrfevg.ko
[root@localhost]# rm pci_mrfevr.ko
After restarting, there are still pcievg and pcievr. Some of the information displayed by the dmesg command is as follows:
[ 1.343665] pci_mrfevr: loading out-of-tree module taints kernel.
[ 1.343997] pci_mrfevr: module verification failed: signature and/or required key missing - tainting kernel
[ 1.344404] Event Receiver PCI/PCIe driver init.
[ 1.344659] mrfevr:BAR0 start df200000 end df23ffff, mmap 03700000
[ 1.345275] mrfevr:BAR0 start df000000 end df03ffff, mmap 03780000
[ 1.345581] Event Generator PCI/PCIe driver init.
[ 1.346094] mrfevg:BAR0 start df100000 end df17ffff mmaped 03800000
I would like to ask how to delete "pci_mrfevr.ko" and load mrfioc2 IOC successfully?
Thank you for your time.I am looking forward to your reply.
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