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[Qemu-devel] about qemu

From: wfreshair
Subject: [Qemu-devel] about qemu
Date: Mon, 5 Sep 2005 17:13:47 +0800 (CST)

i have read the pdf file:Embedded Linux kernel and driver developm Training lab book.pdf.
at the page 7,when i boot kernel.
" qemu -m 32 -kernel /lab/linux- -append "clock=pit root=/dev/hda" -hda /lab/linux/lab1/data/linux_i386.img -boot c"
i meet the information:
kernel panic -not syncing:no init found.
try passing init=option to kernel."
then i add a console device to root filesystem:
mkdir /lab/rootfs
cd ....../lab1
mount -o loop data/linux_i386.img /lab/rootfs
i just copy /dev/console file to /lab/rootfs/dev.-----------though i can't find it in /lab/rootfs after i do that.
and then i umount /lab/rootfs
i meet the error:umount: /lab/rootfs: device is busy.
Also ,i can't qeum kernel.
who know the reason? explain it clearly!


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