I'm having the same problem as listed in bug #220545. The bug report did not list how it was resolved.
I'm running Debian kernel 2.4.24-1-686 only kernel-headers installed (not full kernel source source) thinkpad-source version 4.9-1 all the symbols thinkpad is looking for has the "Rsmp" in the versioning information $modprobe thinkpad /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol misc_deregister_Rsmp_8fead5ed /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol remove_proc_entry_Rsmp_7e5b2439 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol strncpy_from_user_Rsmp_24428be5 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol inter_module_get_request_Rsmp_b69f826b /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol __generic_copy_to_user_Rsmp_d523fdd3 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol create_proc_entry_Rsmp_8ff575b1 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol proc_mkdir_Rsmp_dda0fe26 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol printk_Rsmp_1b7d4074 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol inter_module_put_Rsmp_6b99f7d8 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol snprintf_Rsmp_025da070 /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: /lib/modules/2.4.24-1-686/thinkpad/thinkpad.o: unresolved symbol misc_register_Rsmp_2ca52d22 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]