1 Reply Latest reply on Apr 25, 2008 7:49 PM by suravee

    ca2.7 module's build problem

    jiayaocang
      the machine os infos are
      Distributor ID: RedHatEnterpriseAS
      Description: Red Hat Enterprise Linux AS release 4 (Nahant Update 4)
      Release: 4
      Codename: NahantUpdate4

      CodeAnalyst-Linux-2.7.68/src/oprofile/module/package/
      ./mod_install.sh

      get a module CodeAnalyst-Linux-2.7.68/src/oprofile/module/package/rhel4u4/oprofile.ko

      but
      # /sbin/insmod /CodeAnalyst-Linux-2.7.68/src/oprofile/module/package/rhel4u4/oprofile.ko

      insmod: error inserting /CodeAnalyst-Linux-2.7.68/src/oprofile/module/package/rhel4u4/oprofile.ko': -1 Unknown symbol in module

      and dmesg
      oprofile: module license 'unspecified' taints kernel.
      oprofile: Unknown symbol profile_event_register
      oprofile: Unknown symbol get_dcookie
      oprofile: Unknown symbol task_handoff_register
      oprofile: Unknown symbol sysdev_register
      oprofile: Unknown symbol sysdev_class_unregister
      oprofile: Unknown symbol get_task_mm
      oprofile: Unknown symbol unregister_profile_notifier
      oprofile: Unknown symbol mmput
      oprofile: Unknown symbol sysdev_class_register
      oprofile: Unknown symbol register_profile_notifier
      oprofile: Unknown symbol unset_nmi_callback
      oprofile: Unknown symbol set_nmi_callback
      oprofile: Unknown symbol dcookie_register
      oprofile: Unknown symbol profile_event_unregister
      oprofile: Unknown symbol task_handoff_unregister
      oprofile: Unknown symbol sysdev_unregister
      oprofile: Unknown symbol dcookie_unregister

      and /proc/kallsyms have items about these symbols
      why so much Unkown sysmbos?