On Thu, 4 Dec 2008, Juergen Lock wrote:

I forgot to say the qemu-devel port (as well as the later snapshots I
posted about on -emulation) also support -curses, which shows the emulated
vga text(!)console on qemu's tty.  This works quite well with FreeBSD guests
(even the isos) if you extend your xterm/whatever by one line (the default
vga textconsole is 80x25 instead of 80x24.)

As long as we're sharing tips about qemu:

I've recently been working with qemu on amd64 and have set up a Debian etch i386 guest which is working well. I am using the qemu-devel and kqemu-kmod-devel ports. I am not using -kernel-kqemu at the moment; I thought I would get things working before trying to speed up.

Using qemu I've finally achieved my goal of being able to use flash on FreeBSD/amd64 (in some sense :-O).

savevm and loadvm don't work due to a security patch. Since my guest system is trusted I reverted the patch. I filed a PR as ports/129417 .

I found that '-net user' is horribly broken on amd64 (qemu segfaults). It uses some ancient [*] BSD TCP/IP code (via slirp) which assumes that pointers are 32 bits and doesn't hesitate to shove them into random 32-bit corners of externally defined structures if it's convenient. Looks like a pain to clean up. '-net tap' works fine, but requires root privileges and is more work to set up.

[*] Out of curiosity, I looked at some Unix Archive stuff and found the identical code in BSD's Net2, circa 1991. It is identified in a comment as a "quick hack" and adorned with several /* XXX */. Naturally the code and the comments survive intact, 17 years later. :-(

--

Nate Eldredge
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