I need help understanding why I get an error when I insert a module. I have tried this with no success.
$ sudo modprobe lpfc_scst
FATAL: Error inserting lpfc_scst (/lib/modules/2.6.32-33-generic/extra/lpfc_scst.ko): Unknown symbol in module, or unknown parameter (see dmesg)
$ dmesg | tail
[ 1201.262842] lpfc_scst: Unknown symbol scst_register_target
[ 1201.262949] lpfc_scst: Unknown symbol lpfc_tm_term
[ 1201.263161] lpfc_scst: no symbol version for scst_register_session
[ 1201.263164] lpfc_scst: Unknown symbol scst_register_session
[ 1201.263284] lpfc_scst: no symbol version for scst_rx_mgmt_fn
[ 1201.263286] lpfc_scst: Unknown symbol scst_rx_mgmt_fn
[ 1201.263395] lpfc_scst: no symbol version for scst_unregister_session
[ 1201.263398] lpfc_scst: Unknown symbol scst_unregister_session
[ 1201.263573] lpfc_scst: no symbol version for scst_rx_data
[ 1201.263575] lpfc_scst: Unknown symbol scst_rx_data
$ cat /proc/kallsyms | grep scst_register_target
dffd2a10 r __ksymtab_scst_register_target [scst]
dffd302e r __kstrtab_scst_register_target [scst]
dffd2b34 r __kcrctab_scst_register_target [scst]
dffd2a20 r __ksymtab___scst_register_target_template_non_gpl [scst]
dffd3063 r __kstrtab___scst_register_target_template_non_gpl [scst]
dffd2b3c r __kcrctab___scst_register_target_template_non_gpl [scst]
dffd2c10 r __ksymtab___scst_register_target_template [scst]
dffd308b r __kstrtab___scst_register_target_template [scst]
dffd2de8 r __kcrctab___scst_register_target_template [scst]
dff913a0 t __scst_register_target_template [scst]
dff90dd0 T scst_register_target [scst]
dff91840 T __scst_register_target_template_non_gpl [scst]
$
Many thanks.
I have solved this problem as suggested on this forum:
scst
.Module.symvers
to existent /lib/modules/<version>/build/Module.symvers
(Hack. Do not know why the kernel did not see the exported symbols).scst
to /lib/modules/<version>/extra
.depmod -a
.lpfc_scst
.lpfc_scst
with no problems.Have a nice day.