failed to rebuild kernel on 11.11

[wangxiaogui]

# mk_kernel
Generating module: krm...
Compiling /stand/build/conf.c...
Loading the kernel...
ld: Unsatisfied symbol "ivt_enroll_clock_ints" in file /usr/conf/lib/libperf.a[ivt_intercept.o]
ld: Unsatisfied symbol "dumpconf_lvm_fp" in file /usr/conf/lib/libdump-pdk.a[dumpconf.o]
2 errors.
*** Error exit code 1

Stop.
config: make did an exit(1)