Changes between Version 4 and Version 5 of jazz/09-05-20

Timestamp:

May 20, 2009, 8:58:58 PM (15 years ago)

Author:

jazz

Comment:

--

jazz/09-05-20

@@ -14 +14 @@
 bio:~# apt-get install firmware-bnx2
 }}}
+   * 解析 firmware-bnx2 安裝前與安裝後的 initrd.img 差異
+{{{
+bio:~$ mkdir -p temp temp2
+bio:~$ cd temp
+bio:~/temp$ cat /boot/initrd.img-2.6.22.19-lustre-686.bak | gunzip | cpio -i
+27903 block
+bio:~/temp$ cd ../temp2
+bio:~/temp2$ cat /boot/initrd.img-2.6.22.19-lustre-686 | gunzip | cpio -i
+28313 blockss
+bio:~/temp2$ cd ..
+bio:~$ diff -r temp temp2
+只在 temp2/lib 存在：firmware
+只在 temp2/lib/udev 存在：firmware.agent
+bio:~$ ls temp2/lib/firmware/
+bnx2-06-4.0.5.fw  bnx2-09-4.0.5.fw
+bio:~$ cat temp2/lib/udev/firmware.agent 
+#!/bin/sh -e
+#
+# firmware loader agent
+#
+
+cd /lib/udev/
+. ./hotplug.functions
+
+if [ ! -e /sys/$DEVPATH/loading ]; then
+    mesg "/sys/$DEVPATH/ does not exist"
+    exit 1
+fi
+
+for DIR in $FIRMWARE_DIRS; do
+    [ -e "$DIR/$FIRMWARE" ] || continue
+    echo 1 > /sys/$DEVPATH/loading
+    cat "$DIR/$FIRMWARE" > /sys/$DEVPATH/data
+    echo 0 > /sys/$DEVPATH/loading
+    exit 0
+done
+
+# the firmware was not found
+echo -1 > /sys/$DEVPATH/loading
+
+debug_mesg "Cannot find the $FIRMWARE firmware"
+exit 1
+}}}
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