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Ever since deciding to upgrade my kernel to 2.4.20, I've been having problems with unresolved symbols in the modules. It seems that I've been unable to use any module that had dependencies on another part of the kernel unless it too was built as a module.
(e.g.: CONFIG_PARPORT=y CONFIG_PARPORT_PC=y CONFIG_PARPORT_1284=y CONFIG_PRINTER=m would give me a working parallel port but undesolved symbols in lp.o).
Since I'd been getting this with handfuls of modules since upgrading using the debian package, I decided to dump the packages and get the source directly from kernel.org. Now it's even worse. I cannot probe a single module. I've no printer, no sound, no ide-scsi. Everything compiles with no problem (make dep && make bzImage && make install && make modules && make modules_install) but I'm only getting the functionality I've compiled directly into the kernel.
2.4.19 never gave me this much trouble. Is there something radically different about 2.4.20, or have I just gotten somehting radically wrong in my notes and research (taking advice from LinuxChix, the kernel-HOWTO, CDROM HOWTO and USB-storage HOWTO)?
# Loadable module support
# CONFIG_MODVERSIONS is not set
$ sudo depmod -a
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/block/loop.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/block/rd.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/ide/ide-cd.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/input/evdev.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/media/video/videodev.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/net/8390.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/net/dummy.odepmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/net/pcmcia/pcnet_cs.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/net/pcmcia/ray_cs.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/net/plip.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/pcmcia/ds.odepmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/pcmcia/pcmcia_core.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/pcmcia/yenta_socket.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/sound/v_midi.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/usb/printer.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/usb/usbdnet.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/drivers/video/NVdriver
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/fs/affs/affs.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/fs/hfs/hfs.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/fs/msdos/msdos.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/lib/zlib_deflate/zlib_deflate.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/net/appletalk/appletalk.o
depmod: *** Unresolved symbols in /lib/modules/2.4.20/kernel/net/ipv4/ipip.o
sudo modprobe ide-scsi
/lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o: unresolved symbol scsi_unregister_module
/lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o: unresolved symbol scsi_register
/lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o: unresolved symbol scsi_register_module
/lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o: insmod /lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o failed
/lib/modules/2.4.20/kernel/drivers/scsi/ide-scsi.o: insmod ide-scsi failed