From: Jackie Huang <jackie.hu...@windriver.com>
We should create the /var/log/dmesg.log file as a default.
If we don't then a later kernel error can flush the dmesg
ring buffer, losing valuable debug information.
Signed-off-by: Xin Ouyang <xin.ouy...@windriver.com>
Signed-off-by: Jackie Huang <jackie.hu...@windriver.com>
---
.../initscripts/initscripts-1.0/dmesg.sh | 17 +++++++++++++++++
.../initscripts-1.0/logrotate-dmesg.conf | 9 +++++++++
meta/recipes-core/initscripts/initscripts_1.0.bb | 9 +++++++--
3 files changed, 33 insertions(+), 2 deletions(-)
create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/dmesg.sh
create mode 100644
meta/recipes-core/initscripts/initscripts-1.0/logrotate-dmesg.conf
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/dmesg.sh
b/meta/recipes-core/initscripts/initscripts-1.0/dmesg.sh
new file mode 100644
index 0000000..a97b068
--- /dev/null
+++ b/meta/recipes-core/initscripts/initscripts-1.0/dmesg.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides: dmesg
+# Required-Start:
+# Required-Stop:
+# Default-Start: S
+# Default-Stop:
+### END INIT INFO
+
+if [ -f /var/log/dmesg ]; then
+ if [ -f /usr/sbin/logrotate ]; then
+ logrotate -f /etc/logrotate-dmesg.conf
+ else
+ mv -f /var/log/dmesg /var/log/dmesg.old
+ fi
+fi
+dmesg -s 131072 > /var/log/dmesg
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/logrotate-dmesg.conf
b/meta/recipes-core/initscripts/initscripts-1.0/logrotate-dmesg.conf
new file mode 100644
index 0000000..6f46e42
--- /dev/null
+++ b/meta/recipes-core/initscripts/initscripts-1.0/logrotate-dmesg.conf
@@ -0,0 +1,9 @@
+# see "man logrotate" for details
+# rotate dmesg, and keep 5 versions.
+
+/var/log/dmesg {
+ create
+ rotate 5
+ nodateext
+}
+
diff --git a/meta/recipes-core/initscripts/initscripts_1.0.bb
b/meta/recipes-core/initscripts/initscripts_1.0.bb
index 531b2b6..52e1c9c 100644
--- a/meta/recipes-core/initscripts/initscripts_1.0.bb
+++ b/meta/recipes-core/initscripts/initscripts_1.0.bb
@@ -3,7 +3,7 @@ DESCRIPTION = "Initscripts provide the basic system startup
initialization scrip
SECTION = "base"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=751419260aa954499f7abaabaa882bbe"
-PR = "r140"
+PR = "r141"
INHIBIT_DEFAULT_DEPS = "1"
@@ -31,7 +31,10 @@ SRC_URI = "file://functions \
file://read-only-rootfs-hook.sh \
file://volatiles \
file://save-rtc.sh \
- file://GPLv2.patch"
+ file://GPLv2.patch \
+ file://dmesg.sh \
+ file://logrotate-dmesg.conf \
+"
SRC_URI_append_arm = " file://alignment.sh"
@@ -89,6 +92,8 @@ do_install () {
install -m 0755 ${WORKDIR}/read-only-rootfs-hook.sh
${D}${sysconfdir}/init.d
install -m 0755 ${WORKDIR}/save-rtc.sh ${D}${sysconfdir}/init.d
install -m 0644 ${WORKDIR}/volatiles
${D}${sysconfdir}/default/volatiles/00_core
+ install -m 0755 ${WORKDIR}/dmesg.sh ${D}${sysconfdir}/init.d
+ install -m 0644 ${WORKDIR}/logrotate-dmesg.conf ${D}${sysconfdir}/
if [ "${TARGET_ARCH}" = "arm" ]; then
install -m 0755 ${WORKDIR}/alignment.sh ${D}${sysconfdir}/init.d
--
1.7.4.1
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