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Installation Error When Installing EPCA in RedHat Linux<BR> "Using /lib/modules/2.x.x-x/kernel/drivers/char/epca.o<BR> /lib/modules/2.x.x-x/kernel/drivers/char/epca.o:<BR> invalid parameter parm_mod_type<BR> Module load failed" Installation Error When Installing EPCA in RedHat Linux
"Using /lib/modules/2.x.x-x/kernel/drivers/char/epca.o
/lib/modules/2.x.x-x/kernel/drivers/char/epca.o:
invalid parameter parm_mod_type
Module load failed"

Symptom:

After installing the epca driver, any attempt to start the driver with the "service epca start" command the following error is reported:

Using /lib/modules/2.x.x-x/kernel/drivers/char/epca.o
/lib/modules/2.x.x-x/kernel/drivers/char/epca.o:
invalid parameter parm_mod_type
Module load failed

Cause:

This is due to the old built-in module conflicting with the new driver module installation.

Solution:

Please remove or rename:
/lib/modules/2.x.x-x/kernel/drivers/char/epca.o
After removing/renaming the above file, try the 'service epca start' command again.