> I'm having problems applying the cd-changer patch to kernel 2.2.8
>
> The patch-routine works ok, but the problems comes when I try to compile a
> kernel with support for the cd-changer (http://unfix.org/projects/changer/).
>
> If I try to compile it in the kernel, I get this error:
>
> ld -m elf_i386 -T /usr/src/linux-2.2.8/arch/i386/vmlinux.lds -e stext
> arch/i386/kernel/head.o arch/i386/kernel/init_task.o init/main.o
> init/version.o \ --start-group \ arch/i386/kernel/kernel.o
> arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o \
> fs/filesystems.a \ net/network.a \ drivers/block/block.a
> drivers/char/char.a drivers/misc/misc.a drivers/net/net.a
> drivers/scsi/scsi.a drivers/cdrom/cdrom.a drivers/pci/pci.a
> drivers/pnp/pnp.a drivers/video/video.a arch/i386/math-emu/math.a \
> /usr/src/linux-2.2.8/arch/i386/lib/lib.a /usr/src/linux-2.2.8/lib/lib.a
> /usr/src/linux-2.2.8/arch/i386/lib/lib.a \ --end-group \ -o
> vmlinux
> init/main.o(.data.init+0x1dc): undefined reference to 'changer_setup'
> drivers/block/block.a(ll_rw_blk.o): In function 'blk_dev_init':
> ll_rw_blk.o(.text.init+0xb3): undefined reference to 'changer_init'
> make: *** [vmlinux] Error 1
>
> This is what happens when I try to compile the changer.c-code
>
> make[3]: Entering directory /usr/src/linux-2.2.8/drivers/block'
> gcc -D__KERNEL__ -I/usr/src/linux-2.2.8/include -Wall -Wstrict-prototypes -O2
> -fomit-frame-pointer -pipe -fno-strength-reduce -m386 -DCPU=386 -c -o
> changer.o changer.c
> changer.c: In function 'changer_init':changer.c:918: warning: suggest explicit braces to avoid ambiguous 'else'
> changer.c: At top level:changer.c:847: warning: 'changer_init' defined but not used
> changer.c:826: warning: 'changer_setup' defined but not used
> rm -f block.a
> ar rcs block.a ll_rw_blk.o ide.o genhd.o floppy.o rd.o changer.o
> ide-probe.o ide-pci.o ide-dma.o ide-proc.o ide-disk.o ide-cd.o
> make[3]: Leaving directory /usr/src/linux-2.2.8/drivers/block'
>
> If I try to compile as a module, everything seems to work ok, but when I try
> to modprobe changer.o I get this error:
>
> /lib/modules/2.2.8-changer/block/changer.o: unresolved symbol memset
>
> Any tips would be appreciated.
>
Hmmm grmbl... well I haven't had any time to check out 2.2.8 on my own
machine, but I think that the patch failed on your machine...
Which version of /dev/changer did you try?
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