Experimental Physics and Industrial Control System
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The actual kernel driver is located in
There are several methods you may try, here is also very old repo, but you can find "dkms" information there.
Best, Han
Hi Geonyeong,
Please use the kernel driver for mrfiioc2 instead of what you used.
PCIID is not up-to-date, if you want to see through lspci, please check my own archived repo.
HTH, Han
Dear All,
I am trying to MTCA-EVG-300 and MTCA-EVR-300U are working on Linux using mrfioc2.
But, the following error is displayed:
epics> mrmEvgSetupPCI("EVG",08,00,0)
Can't open /sys/module/mrf/parameters/interfaceversion in order to read kernel module interface version. Kernel module not loaded or too old.
I used the latest version driver provided by MRF. https://github.com/jpietari/mrf-linux-driver
Do I have to use a driver other than this one?
The mrf directory does not exist In the /sys/module directory.
Instead, pci_mrfevg, pci_mrfevr exists.
# ls /sys/module/pci_mrfev*
/sys/module/pci_mrfevg:
coresize holders initstate refcnt taint
drivers initsize notes sections uevent
/sys/module/pci_mrfevr:
coresize holders initstate refcnt taint
drivers initsize notes sections uevent
# lsmod
Module Size Used by Tainted: G
pci_mrfevr 57344 0
pci_mrfevg 53248 0
nfsv3 28672 1
nfs 135168 2 nfsv3
lockd 77824 2 nfsv3,nfs
grace 16384 1 lockd
sunrpc 196608 6 nfsv3,nfs,lockd
x86_pkg_temp_thermal 16384 0
igb 184320 0
# ls /dev/e*
/dev/ega0 /dev/ega2 /dev/era0 /dev/era2 /dev/erb0 /dev/erb2
/dev/ega1 /dev/ega3 /dev/era1 /dev/era3 /dev/erb1 /dev/erb3
# dmesg | tail
Event Generator PCI/PCIe driver exiting.
Event Receiver PCI/PCIe driver exiting.
Event Generator PCI/PCIe driver init.
mrfevg:BAR0 start df000000 end df07ffff mmaped 41180000
udevd[165]: specified group 'mrf' unknown
Event Receiver PCI/PCIe driver init.
mrfevr:BAR0 start df200000 end df23ffff, mmap 40780000
mrfevr: Device Type: MTCAEVR300
mrfevr:BAR0 start df100000 end df13ffff, mmap 41040000
mrfevr: Device Type: MTCAEVR300
Best regards,
Geonyeong Mun
--
Jeong Han Lee, Dr.rer.nat Staff Scientist and Engineer Lawrence Berkeley National Laboratory 1 Cyclotron Road Mailstop 46R0161 Berkeley, CA 94720, United States Tel :+1-510-486-6163
Cell:+1-510-384-3868
--
Jeong Han Lee, Dr.rer.nat Staff Scientist and Engineer Lawrence Berkeley National Laboratory 1 Cyclotron Road Mailstop 46R0161 Berkeley, CA 94720, United States Tel :+1-510-486-6163
Cell:+1-510-384-3868
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ANJ, 06 Jan 2023 |
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