Trouble Shooting Guide – FarSync Drivers – Linux
Problems using farutil
|Problem Symptom||Possible Cause(s)||Action|
|Segmentation error when using the farutil command||The C runtime libraries on your system may not be up to date.||Please ensure that you have the latest libraries installed.|
farutil command on hdlc0/sync0 reports the following error
farutil: Problem getting port information. No such device
farsync or hdlc/syncppp modules did not load
After Kernel version 2.6.18 the hdlc module was further divided into a sub module per protocol. It may be that you need to load the appropriate sub module.
use the following command to check module dependencies:
If unresolved symbols are reported for farsync.ko and syncppp.ko in the /usr/src/linux/drivers/misc directory then delete these files. (They belong in the net directory, and the ones in misc are just left lying around, but are being picked up first).
Try depmod -a again. and if there are no unresolved symbols for farsync.ko and hdlc.ko/syncppp.ko then see if the farsync module will now load. Use the following command:
if no errors are reported use the following command to see if the module has been loaded:
You should see the farsync and hdlc/syncppp modules listed.
To load hdlc submodules use modprobe or insmod on one of the following modules as appropriate:
|No aliases or wrong aliases in /etc/modules.conf||
Make sure the following lines are in the /etc/modprobe.conf file (2.6 Kernels) or /etc/modules.conf file (2.4. Kernels)
alias hdlc0/sync0 farsync
alias hdlc0/sync1 farsync
Additional possible farutil problems when using the Generic HDLC interface (2.4 kernel versions of 2.4.13 and above only)