sysrq on serial port build problem

From: Happy (alexg@myself.com)
Date: Sat Jun 17 2000 - 15:32:43 EST


kernel: linux-2.4.0-test1-ac19+reiserfs-3.6.9

with console on the serial port and no virtual console turned on in the
kernel. i tried to enable "Magic SysRq key" but got this error.

ld -m elf_i386 -T /home/happy/kernel/linux-2.4.0-test1-ac19+reiserfs-3.6.9/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 \
        drivers/block/block.a drivers/char/char.o drivers/misc/misc.o drivers/net/net.o drivers/parport/parport.a drivers/ide/idedriver.o drivers/cdrom/cdrom.a drivers/pci/pci.a \
        net/network.o \
        /home/happy/kernel/linux-2.4.0-test1-ac19+reiserfs-3.6.9/arch/i386/lib/lib.a /home/happy/kernel/linux-2.4.0-test1-ac19+reiserfs-3.6.9/lib/lib.a /home/happy/kernel/linux-2.4.0-test1-ac19+reiserfs-3.6.9/arch/i386/lib/lib.a \
        --end-group \
        -o vmlinux
kernel/kernel.o(.data+0x1fb4): undefined reference to `sysrq_enabled'
make: *** [vmlinux] Error 1

the error goes away when i turn on virtual console.

attached is the .config file that does not build and the changes to get a
successful build.

i am willing to try out fixes.

-- 
I chose happiness!



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