diff options
Diffstat (limited to 'hurd/running/qemu.mdwn')
| -rw-r--r-- | hurd/running/qemu.mdwn | 85 |
1 files changed, 67 insertions, 18 deletions
diff --git a/hurd/running/qemu.mdwn b/hurd/running/qemu.mdwn index 6df06ace..c56292c8 100644 --- a/hurd/running/qemu.mdwn +++ b/hurd/running/qemu.mdwn @@ -24,6 +24,56 @@ You can use the following images to give the Hurd a try. [[!inline pages=hurd/running/debian/qemu_image raw=yes feeds=no]] +#### Trying out rumpdisk + +[[Rump kernels|hurd/rump]] provide new modern drivers for the Hurd. +We refer to rumpdisk as a rump kernel that provides drivers for modern +hard drives, SSDs, etc. The Rump kernels' integration into the Hurd +are still somewhat experimental, but they seem to work fairly well on +bleeding edge Debian. + +Once you have your latest qemu Debian GNU/Hurd image running, then you +can try the rumpdisk (be sure to pass "-m 2GB" or more). First, +add these sources to your /etc/apt/sources.list + + deb http://deb.debian.org/debian-ports unstable main + deb-src http://deb.debian.org/debian unstable main + deb http://deb.debian.org/debian-ports unreleased main + +Then, upgrade to the bleeding edge Debian GNU/Hurd: + + # apt update + # apt upgrade --without-new-pkgs + # apt dist-upgrade + +Now test to see if the rump kernel works before you make the change +permanent. Manually tweak your /boot/grub/grub.cfg like so: + + # multiboot /boot/gnumach-1.8-486.gz root=part:2:device:hd0 console=com0 + multiboot /boot/gnumach-1.8-486.gz root=part:2:device:wd0 console=com0 noide + +and your /etc/fstab + + #/dev/hd0s2 / ext2 defaults 0 1 + /dev/wd0s2 / ext2 defaults 0 1 + #/dev/hd0s1 none swap sw 0 0 + /dev/wd0s1 none swap sw 0 0 + #/dev/hd2 /media/cdrom0 iso9660 noauto 0 0 + /dev/wd2 /media/cdrom0 iso9660 noauto 0 0 + +Now you can poweroff your machine, reboot, and start using the +rumpdisk! You can make these changes permanent by tweaking +/etc/default/grub and telling it to use rumpdisk: + + GRUB_CMDLINE_GNUMACH="noide" + +Then update your grub: + + # update-grub + +Check that "noide" does appear in your /boot/grub/grub.cfg. + + ## Arch Hurd Live CD [[!inline pages=hurd/running/live_cd raw=yes feeds=no]] @@ -50,7 +100,7 @@ volunteers and may not have been tested extensively. ## Debian Installer -Instructions for creating a qemu image from the install CDs from debian installer can be found in the README alongside the d-i Hurd images: <http://people.debian.org/~sthibault/hurd-i386/installer/cdimage/> +Instructions for creating a qemu image from the install CDs from debian installer can be found in the README alongside the d-i Hurd images: <https://cdimage.debian.org/cdimage/ports/latest/hurd-i386/> --- # KVM acceleration @@ -60,7 +110,7 @@ Check if your CPU supports kvm: $ egrep '^flags.*(vmx|svm)' /proc/cpuinfo #### If you don't have hardware support (slow): - $ apt-get install qemu + $ apt install qemu Do not enable kernel-kqemu, as that assumes some particular behavior from the guest kernel, which we are reluctant to artificially add to gnumach. @@ -68,7 +118,7 @@ If QEMU with KVM is not available, [[Virtualbox]] reportedly has better performance. #### If you have hardware support (recommended): - $ apt-get install qemu-kvm + $ apt install qemu-kvm $ modprobe kvm Intel VTx/VTd: Enable Intel kvm in the BIOS @@ -119,7 +169,7 @@ First off you will need to create a disk image using `qemu-img`. I have set mine Next you will want to start up QEMU and begin the installation process. - $ qemu -m 1G -drive cache=writeback,file=hd0.img -cdrom debian-7.0-hurd-i386-NETINST-1.iso -net nic,model=rtl8139 -net user + $ qemu -m 1G -drive cache=writeback,file=hd0.img -cdrom debian-7.0-hurd-i386-NETINST-1.iso -net nic,model=e1000 -net user Now at his point do the regular install using `hd0` as your harddrive. Partition it and install the base system. @@ -167,7 +217,7 @@ Once you have finished installing the base system (might take some time) the sys Starting qemu/qemu-kvm: - $ kvm -m 1G -net nic -net user,hostfwd=tcp::5555-:22 -drive cache=writeback,file=hd0.img -vga vmware + $ kvm -m 1G -net nic,model=e1000 -net user,hostfwd=tcp::5555-:22 -drive cache=writeback,file=hd0.img -vga vmware vmsvga_value_write: guest runs Linux. Note: See below on port forwarding in the networking section. @@ -252,13 +302,13 @@ If you are on [[Debian GNU/Hurd|debian]], you can even use [[debian/DHCP]]. To get ssh working: - # apt-get install random-egd openssh-server (Similarly for telnet if preferred) + # apt install openssh-server (Similarly for telnet if preferred) (See also <http://www.nongnu.org/qemu/qemu-doc.html#SEC32>.) Outgoing internet connections should just work then. Testing it can be difficult with a minimal installation, -but `apt-get update` should work after you have filled out +but `apt update` should work after you have filled out `/etc/apt/sources.list`. After that you should be able to install other network packages, but note that `ping` doesn't work with QEMU's user-networking stack. @@ -288,7 +338,7 @@ This is the recommended way to work with a Command Line Interface (CLI) since al a) with ssh (assuming you have installed openssh-server) - $ kvm -m 1G -net nic -net user,hostfwd=tcp::5555-:22 -drive cache=writeback,file=hd0.img & + $ kvm -m 1G -net nic,model=e1000 -net user,hostfwd=tcp::5555-:22 -drive cache=writeback,file=hd0.img & Logging in to the running Hurd: @@ -305,7 +355,7 @@ Copying files: b) with telnet (assuming you have installed a telnet server, like telnetd) - $ kvm -m 1G -net nic -net user,hostfwd=tcp::5556-:23 -drive cache=writeback,file=hurd-install.qemu & + $ kvm -m 1G -net nic,model=e1000 -net user,hostfwd=tcp::5556-:23 -drive cache=writeback,file=hurd-install.qemu & Logging in to the running Hurd: @@ -346,7 +396,7 @@ Now it is time to start-up your QEMU Hurd system and get networking going in the **Important:** Remember you may need to use the `-M isapc` or `-isa` flag if using an older version of the gnumach package. - $ qemu -m 1G -drive cache=writeback,file=hd0.img -cdrom debian-K9-hurd-i386-CD1.iso -fda floppy.img -boot a -net nic -net tap + $ qemu -m 1G -drive cache=writeback,file=hd0.img -cdrom debian-K9-hurd-i386-CD1.iso -fda floppy.img -boot a -net nic,model=e1000 -net tap Once you have logged in as `root` run the `pfinet` translator with values that apply to your network. Think of your QEMU client as another computer in your network. @@ -355,14 +405,16 @@ Once you have logged in as `root` run the `pfinet` translator with values that a That should do it! Do not forget to edit/update `/etc/resolv.conf` to get DNS working. --- -# Multiboot +# Booting Hurd without grub, using qemu's multiboot support See "Linux/Multiboot boot specific" section on QEMU manpage. Get the multiboot modules. Either extract them from the disk image, or, download: - $ wget http://people.debian.org/~sthibault/hurd-i386/installer/cdimage/current/{gnumach.gz,ext2fs.static,ld.so.1} + $ wget https://cdimage.debian.org/cdimage/ports/latest/hurd-i386/gnumach.gz + $ wget https://cdimage.debian.org/cdimage/ports/latest/hurd-i386/ext2fs.static + $ wget https://cdimage.debian.org/cdimage/ports/latest/hurd-i386/exec.static Generally, these files need to correspond to the ones in the disk image, so don't forget to keep them up to date. @@ -372,18 +424,15 @@ you'll get told: *qemu: linux kernel too old to load a ram disk*. $ qemu [...] \ > --kernel gnumach \ + > --append 'root=device:hd0s1' \ > --initrd \ - > 'ext2fs.static --multiboot-command-line=${kernel-command-line} --host-priv-port=${host-port} --device-master-port=${device-port} --exec-server-task=${exec-task} -T typed device:hd0s1 $(task-create) $(task-resume)',\ - > 'ld.so.1 /hurd/exec $(exec-task=task-create)' + > 'ext2fs.static --multiboot-command-line=${kernel-command-line} --host-priv-port=${host-port} --device-master-port=${device-port} --exec-server-task=${exec-task} -T typed ${root} $(task-create) $(task-resume)',\ + > 'exec.static $(exec-task=task-create)' Note that, contrary to [[GRUB]]'s configuration file, you don't specify "`argv[0]`" here, and it's fortunate that neither ext2fs nor exec need a comma on their command line... -You can also use `--append [...]`, which will show up in `/proc/cmdline`. - -Command line above crashes with old qemu versions, for instance qemu 1.1.2 on Debian Wheezy, fixed by upgrading to wheezy-backports currently qemu 1.7.0, see [[!debbug 741873]] - --- # Related Links |