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

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

commit 3248dbf70ae0f0a75d0dc3a1d93970c04de7a238 Author: Sven Eckelmann sven@narfation.org Date: Sun Nov 3 16:53:16 2019 +0000

doc: open-mesh/OpenWrt_in_QEMU: use hvc0 for booting debian virtual machine

3248dbf70ae0f0a75d0dc3a1d93970c04de7a238 open-mesh/OpenWrt_in_QEMU.textile | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/open-mesh/OpenWrt_in_QEMU.textile b/open-mesh/OpenWrt_in_QEMU.textile index 8254708..f451f50 100644 --- a/open-mesh/OpenWrt_in_QEMU.textile +++ b/open-mesh/OpenWrt_in_QEMU.textile @@ -95,12 +95,14 @@ NUM_SESSIONS=3

## OpenWrt in QEMU BASE_IMG=openwrt-x86-64-combined-ext4.img +BOOTARGS+=("-serial" "chardev:charconsole0")

## Kernel hacking Debian image #BASE_IMG=debian.img #BOOTARGS+=("-bios" "qboot/bios.bin") #BOOTARGS+=("-kernel" "linux-next/arch/x86/boot/bzImage") -#BOOTARGS+=("-append" "root=/dev/vda rw console=ttyS0 nokaslr tsc=reliable no_timer_check noreplace-smp rootfstype=ext4 rcupdate.rcu_expedited=1 reboot=t pci=lastbus=0 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 i8042.noaux=1") +#BOOTARGS+=("-append" "root=/dev/vda rw console=hvc0 nokaslr tsc=reliable no_timer_check noreplace-smp rootfstype=ext4 rcupdate.rcu_expedited=1 reboot=t pci=lastbus=0 i8042.direct=1 i8042.dumbkbd=1 i8042.nopnp=1 i8042.noaux=1") +#BOOTARGS+=("-device" "virtconsole,chardev=charconsole0,id=console0")

for i in $(seq 1 "${NUM_SESSIONS}"); do if [ ! -e "/sys/class/net/tap${i}" ]; then @@ -115,7 +117,6 @@ for i in $(seq 1 "${NUM_SESSIONS}"); do

qemu-img create -b "${BASE_IMG}" -f qcow2 root.cow$i screen qemu-system-x86_64 -enable-kvm -name "instance${i}" \ - "${BOOTARGS[@]}" \ -display none -no-user-config -nodefaults \ -m 512M,maxmem=2G,slots=2 -device virtio-balloon \ -cpu host -smp 2 -machine q35,accel=kvm,usb=off,dump-guest-core=off \ @@ -125,7 +126,9 @@ for i in $(seq 1 "${NUM_SESSIONS}"); do -virtfs local,path="${SHARED_PATH}",security_model=none,mount_tag=host \ -gdb tcp:127.0.0.1:$((23000+$i)) \ -device virtio-rng-pci \ - -serial mon:stdio + -device virtio-serial-pci,id=virtio-serial \ + -chardev stdio,id=charconsole0,mux=on,signal=off -mon chardev=charconsole0,mode=readline \ + "${BOOTARGS[@]}" sleep 1 done EOF