From e0660cfd69000c284381f9eaa7ca05f8a9c5b566 Mon Sep 17 00:00:00 2001
From: Marek Marczykowski <marmarek@invisiblethingslab.com>
Date: Mon, 30 Jan 2012 14:22:58 +0100
Subject: [PATCH] vm/systemd: wait for evtchn initialization before first
 xenstore-read

---
 vm-systemd/qubes-sysinit.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/vm-systemd/qubes-sysinit.sh b/vm-systemd/qubes-sysinit.sh
index da13faf..dc93de5 100755
--- a/vm-systemd/qubes-sysinit.sh
+++ b/vm-systemd/qubes-sysinit.sh
@@ -13,6 +13,11 @@ read_service() {
     $XS_READ qubes-service/$1 2> /dev/null
 }
 
+# Wait for evtchn initialization
+while [ ! -e /proc/xen/xenbus ]; do
+  sleep 0.1
+done
+
 mkdir -p /var/run/qubes
 mkdir -p /var/run/qubes-service
 mkdir -p /var/run/xen-hotplug