Package: laptop-mode-tools
Version: 1.45-1
Severity: normal
Hello.
In my system, wireless-iwl-power module fails at startup of laptop-mode-tools,
if the wireless
interface are not up. The error seems to be that the scriptcannot write power
level to
/sys/class/net/$DEVICE/device/power_level if $DEVICE is down.
The error showed is: "/usr/share/laptop-mode-tools/modules/wireless-iwl-power:
line 48: echo: write error:
Resource temporarily unavailable"
The driver used is the iwl3945.
The error seems to be corrected if everytime it searches for an interface, it
checks if it is
up via /sys/class/net/$DEVICE/device/enable (1 for up, 0 for down)
This change seems to work at least in my computer:
--- wireless-iwl-power 2009-01-13 03:52:00.000000000 +0200
+++ wireless-iwl-power-new 2009-01-13 04:34:10.000000000 +0200
@@ -16,6 +16,7 @@
findWifiIfsByDriver () {
local DEVICE;
local LINK_TARGET;
+ local ENABLED;
for DEVICE in /sys/class/net/*; do
if [ -d $DEVICE/wireless -a -h $DEVICE/device/driver ]; then
@@ -23,8 +24,8 @@
# the driver.
LINK_TARGET=`readlink $DEVICE/device/driver`
LINK_TARGET=${LINK_TARGET##*/}
-
- if [ "$LINK_TARGET" = "$1" ] ; then
+ ENABLED=`cat $DEVICE/device/enable`
+ if [ "$LINK_TARGET" = "$1" ] && [ $ENABLED -eq 1 ] ;
then
# add the interface name to the list
WIFI_IFNAMES="$WIFI_IFNAMES ${DEVICE##*/}"
-- System Information:
Debian Release: 5.0
APT prefers testing
APT policy: (900, 'testing'), (800, 'unstable'), (500, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.28-2-erebus (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages laptop-mode-tools depends on:
ii lsb-base 3.2-20 Linux Standard Base 3.2 init scrip
ii util-linux 2.13.1.1-1 Miscellaneous system utilities
Versions of packages laptop-mode-tools recommends:
ii acpid 1.0.8-1 Utilities for using ACPI power man
ii hal 0.5.11-8 Hardware Abstraction Layer
ii hdparm 8.9-3 tune hard disk parameters for high
ii sdparm 1.02-1 Output and modify SCSI device para
laptop-mode-tools suggests no packages.
-- no debconf information
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