Hey everybody
I have been working on getting my very own Linux distro up and running. I have a few questions, but I will separate them into separate post since they have nothing really to do with each other. This is the second question that I have.
Right now I have a bootable linux system, it will boot on real hardware, but for development purposes I am using qemu. Once the system boots, it opens a getty on /dev/tty0. That works great, however, the network doesn't work.
I had the network running when I was using linux kernel 2.6.34. In 2.6.34, the network didn't work at first either, so I rebuilt the kernel, I wasn't sure exactly which card qemu uses, so I just enabled them all. Doing the same thing on 3.0.4 does not work.
Running lspci doesn't give me really anything helpful when run under 3.0.4, its busybox's version of lspci, so it doesn't have all the same features, however, using lspci with kernel 2.6.34 reveals that the driver 8139cp is being used. I have confirmed that that driver is enabled in my 3.0.4 kernel, but for some reason it doesn't seem to be working. Any ideas?

qemu has a number of nic's that it can use. One should be supported.

http://linux.die.net/man/1/qemu

I forget the default one now.

Awesome, thanks. I skimmed over the manpage before, but i guess I missed that the first time.
They pretty much all worked except the default one. On my system, the default was rtl8139 which is different from the one the manpage lists as the default.
Now I just have to get the framebuffer and mouse working.

figured out exactly what the problem was. Turns out I was booting from the wrong kernel the whole time!
I built the kernel and then copied it to /boot/kernel, but I was booting from /boot/linux instead, which was 2.6.34 without the right drivers. Silly me.