Repository : ssh://git@open-mesh.org/doc

On branches: backup-redmine/2019-11-07,master

commit 07ec866ada56ce5896bcc6ac9ff804753a0ad8e4 Author: Sven Eckelmann sven@narfation.org Date: Sat Oct 26 22:06:05 2019 +0000

doc: open-mesh/Kernel_hacking_Debian_image

07ec866ada56ce5896bcc6ac9ff804753a0ad8e4 open-mesh/Kernel_hacking_Debian_image.textile | 46 ++++++++++++++++----------- 1 file changed, 27 insertions(+), 19 deletions(-)

diff --git a/open-mesh/Kernel_hacking_Debian_image.textile b/open-mesh/Kernel_hacking_Debian_image.textile index 861d1e3..891e93a 100644 --- a/open-mesh/Kernel_hacking_Debian_image.textile +++ b/open-mesh/Kernel_hacking_Debian_image.textile @@ -301,29 +301,37 @@ cat > run.sh << "EOF" #! /bin/sh

if [ -z "${STY}" ]; then - echo "must be started inside a screen session" >&2 - exit 1 + echo "must be started inside a screen session" >&2 + exit 1 fi

SHARED_PATH=/home/sven/tmp/qemu-batman/ +NUM_SESSIONS=5 + +for i in $(seq 1 "${NUM_SESSIONS}"); do + if [ ! -e "/sys/class/net/tap${i}" ]; then + echo "hub script must be started first to create tap$i interface" >&2 + exit 1 + fi +done

-for i in $(seq 1 5); do - qemu-img create -b debian.img -f qcow2 root.cow$i - normalized_id="$(echo "$i"|awk '{ printf "%02d\n",$1 }')" - twodigit_id="$(echo $i|awk '{ printf "%02X", $1 }')" - screen qemu-system-x86_64 -enable-kvm -name "debian${i}" \ - -kernel linux-next/arch/x86/boot/bzImage -append "root=/dev/vda rw console=ttyS0 nokaslr" \ - -display none -no-user-config -nodefaults \ - -m 512 -device virtio-balloon \ - -cpu host -smp 2 -machine q35,accel=kvm,usb=off,dump-guest-core=off \ - -drive file=root.cow$i,if=virtio,cache=unsafe \ - -nic tap,ifname=tap$i,script=no,model=virtio-net-pci,mac=02:ba:de:af:fe:"${twodigit_id}" \ - -nic user,model=virtio-net-pci,mac=06:ba:de:af:fe:"${twodigit_id}" \ - -virtfs local,path="${SHARED_PATH}",security_model=none,mount_tag=host \ - -gdb tcp:127.0.0.1:$((23000+$i)) \ - -device virtio-rng-pci \ - -serial mon:stdio - sleep 1 +for i in $(seq 1 "${NUM_SESSIONS}"); do + qemu-img create -b debian.img -f qcow2 root.cow$i + normalized_id="$(echo "$i"|awk '{ printf "%02d\n",$1 }')" + twodigit_id="$(echo $i|awk '{ printf "%02X", $1 }')" + screen qemu-system-x86_64 -enable-kvm -name "debian${i}" \ + -kernel linux-next/arch/x86/boot/bzImage -append "root=/dev/vda rw console=ttyS0 nokaslr" \ + -display none -no-user-config -nodefaults \ + -m 512 -device virtio-balloon \ + -cpu host -smp 2 -machine q35,accel=kvm,usb=off,dump-guest-core=off \ + -drive file=root.cow$i,if=virtio,cache=unsafe \ + -nic tap,ifname=tap$i,script=no,model=virtio-net-pci,mac=02:ba:de:af:fe:"${twodigit_id}" \ + -nic user,model=virtio-net-pci,mac=06:ba:de:af:fe:"${twodigit_id}" \ + -virtfs local,path="${SHARED_PATH}",security_model=none,mount_tag=host \ + -gdb tcp:127.0.0.1:$((23000+$i)) \ + -device virtio-rng-pci \ + -serial mon:stdio + sleep 1 done EOF