Re: 2.5.14-dj1: misc.o: undefined reference to `__io_virt_debug'

Brian Gerst (bgerst@didntduck.org)
Tue, 07 May 2002 17:48:25 -0400


"Martin J. Bligh" wrote:
>
> > Compiling misc.c with -O0 gives a better error message:
> >
> > <-- snip -->
> >
> > ...
> > ld -m elf_i386 -Ttext 0x100000 -e startup_32 -o bvmlinux head.o misc.o
> > piggy.o
> > misc.o: In function `outb_quad':
> > misc.o(.text+0x289c): undefined reference to `__io_virt_debug'
> > make[2]: *** [bvmlinux] Error 1
> > make[2]: Leaving directory
> > `/home/bunk/linux/kernel-2.5/linux-2.5.14-modular/arch/i386/boot/compressed'
>
> Seems like you're not linking in lib/iodebug.c for some reason.
>
> outb_quad calls readb, which calls __io_virt, which calls __io_virt_debug,
> which is defined in iodebug.c

It's in the boot decompression code, before any of that stuff is
available. I'm working on a patch.

--

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