init 1
또는 /sbin/init.d/i4l stop
을 호출하면 다음과 같은 에러 메시지를 얻는다. :
Unloading ISDN drivers ... isdn: Device or resource busy device capi20 not registered: No such device look in /proc/devices. maybe the devicefiles are installed with a wrong majornumber, or you linux kernel version only supports 64 char device (check /usr/include/linux/major.h)
1. /etc/rc.config: I4L_USE_B1="" (instead of ="no") 내에서 또는 2. /sbin/init.d/i4l_hardware 내에서: if test ! -z "$I4L_USE_B1"; then /sbin/modprobe -r capi capidrv kernelcapi capiutil fi