fix uploaded. just for some more information, can fairly easily reproduce this bug using a cloud image:
img_url="http://cloud-images.ubuntu.com/daily/server/vivid/current/vivid-server-cloudimg-amd64-disk1.img" img_dl="${img_url##*/}" wget -O "$img_dl" "$img_url" qemu-img convert -O qcow2 "$img_dl" "disk.img.dist" qemu-img create -f qcow2 -b disk.img.dist disk.img # pull out kernel/initramfs sudo mount-image-callback disk.img --read-only -- \ sh -xc 'cp $MOUNTPOINT/boot/vmlinu?-* kernel && cp $MOUNTPOINT/boot/initrd.* initrd && chmod ugo+r kernel initrd' # boot qemu, should boot to bash prompt, currently on vivid (3.18 + 0.25ubuntu1) will kernel panic qemu-system-x86_64 -enable-kvm -m 1024 \ -drive if=virtio,file=disk.img \ -kernel kernel -initrd initrd \ -append "root=LABEL=cloudimg-rootfs overlayroot=tmpfs:debug=1 console=ttyS0 init=/bin/bash" \ -nographic -echr 0x5 # patchin a new deb sudo mount-image-callback disk.img -- \ sh -exc ' deb=$1; shift; cp $deb $MOUNTPOINT/tmp/fix.deb chroot $MOUNTPOINT dpkg -i /tmp/fix.deb rm $MOUNTPOINT/tmp/fix.deb' -- overlayroot_0.26ubuntu1_all.deb # then re-copy out the kernel and boot again to see fix. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to cloud-initramfs-tools in Ubuntu. https://bugs.launchpad.net/bugs/1411294 Title: kernel panic during MAAS fastpath install of Vivid images To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cloud-initramfs-tools/+bug/1411294/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs