reproducible Debian: add code to fixup /(dev|run)/shm on boot, see #851427

Signed-off-by: Holger Levsen <holger@layer-acht.org>

45 files changed, 450 insertions, 0 deletions

diff --git a/hosts/bbx15-armhf-rb/etc/rc.local b/hosts/bbx15-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/bbx15-armhf-rb/etc/rc.local
+++ b/hosts/bbx15-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/bpi0-armhf-rb/etc/rc.local b/hosts/bpi0-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/bpi0-armhf-rb/etc/rc.local
+++ b/hosts/bpi0-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/cb3a-armhf-rb/etc/rc.local b/hosts/cb3a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/cb3a-armhf-rb/etc/rc.local
+++ b/hosts/cb3a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/cbxi4a-armhf-rb/etc/rc.local b/hosts/cbxi4a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/cbxi4a-armhf-rb/etc/rc.local
+++ b/hosts/cbxi4a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/cbxi4b-armhf-rb/etc/rc.local b/hosts/cbxi4b-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/cbxi4b-armhf-rb/etc/rc.local
+++ b/hosts/cbxi4b-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/cbxi4pro0-armhf-rb/etc/rc.local b/hosts/cbxi4pro0-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/cbxi4pro0-armhf-rb/etc/rc.local
+++ b/hosts/cbxi4pro0-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled10-arm64/etc/rc.local b/hosts/codethink-sled10-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled10-arm64/etc/rc.local
+++ b/hosts/codethink-sled10-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled11-arm64/etc/rc.local b/hosts/codethink-sled11-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled11-arm64/etc/rc.local
+++ b/hosts/codethink-sled11-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled12-arm64/etc/rc.local b/hosts/codethink-sled12-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled12-arm64/etc/rc.local
+++ b/hosts/codethink-sled12-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled13-arm64/etc/rc.local b/hosts/codethink-sled13-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled13-arm64/etc/rc.local
+++ b/hosts/codethink-sled13-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled14-arm64/etc/rc.local b/hosts/codethink-sled14-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled14-arm64/etc/rc.local
+++ b/hosts/codethink-sled14-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled15-arm64/etc/rc.local b/hosts/codethink-sled15-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled15-arm64/etc/rc.local
+++ b/hosts/codethink-sled15-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled16-arm64/etc/rc.local b/hosts/codethink-sled16-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled16-arm64/etc/rc.local
+++ b/hosts/codethink-sled16-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/codethink-sled9-arm64/etc/rc.local b/hosts/codethink-sled9-arm64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/codethink-sled9-arm64/etc/rc.local
+++ b/hosts/codethink-sled9-arm64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/ff2a-armhf-rb/etc/rc.local b/hosts/ff2a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/ff2a-armhf-rb/etc/rc.local
+++ b/hosts/ff2a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/ff2b-armhf-rb/etc/rc.local b/hosts/ff2b-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/ff2b-armhf-rb/etc/rc.local
+++ b/hosts/ff2b-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/ff4a-armhf-rb/etc/rc.local b/hosts/ff4a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/ff4a-armhf-rb/etc/rc.local
+++ b/hosts/ff4a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/hb0-armhf-rb/etc/rc.local b/hosts/hb0-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/hb0-armhf-rb/etc/rc.local
+++ b/hosts/hb0-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/jenkins-test-vm/etc/rc.local b/hosts/jenkins-test-vm/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/jenkins-test-vm/etc/rc.local
+++ b/hosts/jenkins-test-vm/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/jenkins/etc/rc.local b/hosts/jenkins/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/jenkins/etc/rc.local
+++ b/hosts/jenkins/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/jtk1a-armhf-rb/etc/rc.local b/hosts/jtk1a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/jtk1a-armhf-rb/etc/rc.local
+++ b/hosts/jtk1a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/odu3a-armhf-rb/etc/rc.local b/hosts/odu3a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/odu3a-armhf-rb/etc/rc.local
+++ b/hosts/odu3a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/odxu4-armhf-rb/etc/rc.local b/hosts/odxu4-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/odxu4-armhf-rb/etc/rc.local
+++ b/hosts/odxu4-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/odxu4b-armhf-rb/etc/rc.local b/hosts/odxu4b-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/odxu4b-armhf-rb/etc/rc.local
+++ b/hosts/odxu4b-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/odxu4c-armhf-rb/etc/rc.local b/hosts/odxu4c-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/odxu4c-armhf-rb/etc/rc.local
+++ b/hosts/odxu4c-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/opi2a-armhf-rb/etc/rc.local b/hosts/opi2a-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/opi2a-armhf-rb/etc/rc.local
+++ b/hosts/opi2a-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/opi2b-armhf-rb/etc/rc.local b/hosts/opi2b-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/opi2b-armhf-rb/etc/rc.local
+++ b/hosts/opi2b-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/opi2c-armhf-rb/etc/rc.local b/hosts/opi2c-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/opi2c-armhf-rb/etc/rc.local
+++ b/hosts/opi2c-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build1-amd64/etc/rc.local b/hosts/profitbricks-build1-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build1-amd64/etc/rc.local
+++ b/hosts/profitbricks-build1-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build10-amd64/etc/rc.local b/hosts/profitbricks-build10-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build10-amd64/etc/rc.local
+++ b/hosts/profitbricks-build10-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build11-amd64/etc/rc.local b/hosts/profitbricks-build11-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build11-amd64/etc/rc.local
+++ b/hosts/profitbricks-build11-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build12-i386/etc/rc.local b/hosts/profitbricks-build12-i386/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build12-i386/etc/rc.local
+++ b/hosts/profitbricks-build12-i386/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build15-amd64/etc/rc.local b/hosts/profitbricks-build15-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build15-amd64/etc/rc.local
+++ b/hosts/profitbricks-build15-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build16-i386/etc/rc.local b/hosts/profitbricks-build16-i386/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build16-i386/etc/rc.local
+++ b/hosts/profitbricks-build16-i386/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build2-i386/etc/rc.local b/hosts/profitbricks-build2-i386/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build2-i386/etc/rc.local
+++ b/hosts/profitbricks-build2-i386/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build3-amd64/etc/rc.local b/hosts/profitbricks-build3-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build3-amd64/etc/rc.local
+++ b/hosts/profitbricks-build3-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build4-amd64/etc/rc.local b/hosts/profitbricks-build4-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build4-amd64/etc/rc.local
+++ b/hosts/profitbricks-build4-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build5-amd64/etc/rc.local b/hosts/profitbricks-build5-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build5-amd64/etc/rc.local
+++ b/hosts/profitbricks-build5-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build6-i386/etc/rc.local b/hosts/profitbricks-build6-i386/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build6-i386/etc/rc.local
+++ b/hosts/profitbricks-build6-i386/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build7-amd64/etc/rc.local b/hosts/profitbricks-build7-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build7-amd64/etc/rc.local
+++ b/hosts/profitbricks-build7-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/profitbricks-build9-amd64/etc/rc.local b/hosts/profitbricks-build9-amd64/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/profitbricks-build9-amd64/etc/rc.local
+++ b/hosts/profitbricks-build9-amd64/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/rpi2b-armhf-rb/etc/rc.local b/hosts/rpi2b-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/rpi2b-armhf-rb/etc/rc.local
+++ b/hosts/rpi2b-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/rpi2c-armhf-rb/etc/rc.local b/hosts/rpi2c-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/rpi2c-armhf-rb/etc/rc.local
+++ b/hosts/rpi2c-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/wbd0-armhf-rb/etc/rc.local b/hosts/wbd0-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/wbd0-armhf-rb/etc/rc.local
+++ b/hosts/wbd0-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in
diff --git a/hosts/wbq0-armhf-rb/etc/rc.local b/hosts/wbq0-armhf-rb/etc/rc.local
index 8fb854c5..7a3ac282 100755
--- a/hosts/wbq0-armhf-rb/etc/rc.local
+++ b/hosts/wbq0-armhf-rb/etc/rc.local
@@ -37,6 +37,11 @@ put_schroots_on_tmpfs() {
 	mkdir -p union/overlay union/underlay
 }
 
+fixup_shm() {
+	# this is always harmless
+	chmod 1777 /dev/shm
+}
+
 #
 # init, notify about reboots
 #
@@ -69,6 +74,11 @@ case $(hostname) in
 esac
 
 #
+# fixup /(dev|run)/shm if needed
+#
+fixup_shm
+
+#
 # put schroots on tmpfs for non debian hosts
 #
 case $(hostname) in