Distribution: Gentoo Linux 1.4_rc4 
Hardware Environment: Dell Inspiron 8100 
Software Environment: gcc 3.2.2 vanilla kernel 2.4.21 
Problem Description: 
if [ -r System.map ]; then /sbin/depmod -ae -F System.map  2.5.75; fi 
depmod: *** Unresolved symbols in /lib/modules/2.5.75/kernel/drivers/ieee1394/dv 
1394.ko 
depmod:         ohci1394_init_iso_tasklet 
depmod:         ohci1394_unregister_iso_tasklet 
depmod:         ohci1394_register_iso_tasklet 
depmod: *** Unresolved symbols in /lib/modules/2.5.75/kernel/drivers/ieee1394/vi 
deo1394.ko 
depmod:         ohci1394_init_iso_tasklet 
depmod:         ohci1394_unregister_iso_tasklet 
depmod:         ohci1394_register_iso_tasklet 
depmod:         ohci1394_stop_context 
 
 
Steps to reproduce: 
 
In Xconfig set section: 
 
# 
# Texas Instruments PCILynx requires I2C bit-banging 
# 
CONFIG_IEEE1394_OHCI1394=m 
 
# 
# Protocol Drivers 
# 
CONFIG_IEEE1394_VIDEO1394=m 
CONFIG_IEEE1394_SBP2=m 
# CONFIG_IEEE1394_SBP2_PHYS_DMA is not set 
CONFIG_IEEE1394_ETH1394=m 
CONFIG_IEEE1394_DV1394=m 
CONFIG_IEEE1394_RAWIO=m 
CONFIG_IEEE1394_CMP=m 
# CONFIG_IEEE1394_AMDTP is not set 
 
do: 
make    <-(works fine) 
make modules_install  (fails with above message)