Hi,

I have a tascam us224 (which is quite the same as us428 but with less 
inputs), and I'm trying to use usb-us428 module.

My system is Mandrake 9.1 with 2.4.21-0.25 kernel. I have compiled alsa 
0.9.8 with theses commands :

#./configure --with-cards=es1968,usb-us428 --with-sequencer=yes 
--disable-verbose-printk
# make
# make install

"make install" results with :
/sbin/depmod -a 2.4.21-0.25mdk
depmod: *** Unresolved symbols in 
/lib/modules/2.4.21-0.25mdk/kernel/sound/usb/us428/snd-usb-us428.o
depmod: *** Unresolved symbols in 
/lib/modules/2.4.21-0.25mdk/misc/snd-vx-cs.o
depmod: *** Unresolved symbols in 
/lib/modules/2.4.21-0.25mdk/misc/snd-vx-lib.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21-0.25mdk/misc/snd.o

My kernel source version is 2.4.21-0.25, there's no problem with that. 
my es1968 card works well, but I can not insert the module 
snd-usb-us428 :

# modprobe snd-usb-us428
/lib/modules/2.4.21-0.25mdk/kernel/sound/usb/us428/snd-usb-us428.o: 
unresolved symbol snd_usb_create_midi_interface_R8207c441
/lib/modules/2.4.21-0.25mdk/kernel/sound/usb/us428/snd-usb-us428.o: 
unresolved symbol snd_hack_usb_set_interface_R4541518f
/lib/modules/2.4.21-0.25mdk/kernel/sound/usb/us428/snd-usb-us428.o: 
unresolved symbol snd_usbmidi_disconnect_Reeb8a63b
modprobe: insmod 
/lib/modules/2.4.21-0.25mdk/kernel/sound/usb/us428/snd-usb-us428.o 
failed
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_ctl_unregister_ioctl_R2ffddd9f
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_register_oss_device_R1a3c1c1c
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_ctl_register_ioctl_Rcf06a6ec
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_register_device_Rc419212a
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_info_create_module_entry_Reeb1d593
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_info_unregister_Rc31f91e0
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_card_file_remove_R974c03e4
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_info_free_entry_Rb7f026f5
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_unregister_oss_device_Rfbeb665f
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_unregister_device_R2d6bca42
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_card_file_add_R377c7072
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_device_new_R95bb1361
/lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o: unresolved symbol 
snd_info_register_Rd32e3d9c
modprobe: insmod /lib/modules/2.4.21-0.25mdk/misc/snd-hwdep.o failed
modprobe: insmod snd-usb-us428 failed

I know this module has to be inserted by hotplug script but i've done it 
manually to ses errors messages ;-) I've installed tools from 
http://sourceforge.net/projects/usb-midi-fw/ and I get firmware loaded 
correctly in my us224.

So, maybe us224 can not be used with usb-us428, but i don't know why I 
have theses "unresolved symbols" when i run modprobe snd-usb-us428 or 
when I run "depmod -a". if I compile alsa without this module, there is 
no problem like that.

If module had to be updated to work with a us224, I would be happy to 
help developer(s) by sending reports or do furher tests. I don't know 
about kernel or module development anyway.

David Coulm


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