10-20-2011
Ethtool script not running on boot.
Hi, there is an incompatibility between my NIC and my Western Digital Powerline adapters which appears to cause autonegotiation to fail intermittently, most often following a reboot. Running the following Ethtool script will establish a connection immediately:
#!/bin/sh
# chkconfig: 345 85 15
ETHTOOL="/usr/sbin/ethtool"
DEV="eth0"
SPEED="100 duplex full"
case "$1" in
start)
echo -n "Setting eth0 speed 100 duplex full...";
$ETHTOOL -s $DEV speed $SPEED;
echo " done.";;
stop)
;;
esac
exit 0
I have tried placing this script in /etc/init.d, and it is shown as a selected option when running ntsysv but to no avail.
The recommended method for Fedora is to add ETHTOOL_OPTS="speed 100 duplex full autoneg off" to /etc/sysconfig/network-scripts/ifcfg-NameOfConnection which again is not working.
I'm running Fedora 15 64-bit, NIC = Intel 82562V-2 10/100.
If anyone is able to help out then they would probably save my hair from being wrenched out. Thanks
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reboot(3C) reboot(3C)
NAME
reboot - reboot system or halt processor
SYNOPSIS
#include <sys/reboot.h>
int reboot(int howto, char *bootargs);
The reboot() function reboots the system. The howto argument specifies the behavior of the system while rebooting and is a mask con-
structed by a bitwise-inclusive-OR of flags from the following list:
RB_AUTOBOOT The machine is rebooted from the root filesystem on the default boot device. This is the default behavior. See boot(1M) and
kernel(1M).
RB_HALT The processor is simply halted; no reboot takes place. This option should be used with caution.
RB_ASKNAME Interpreted by the bootstrap program and kernel, causing the user to be asked for pathnames during the bootstrap.
RB_DUMP The system is forced to panic immediately without any further processing and a crash dump is written to the dump device
(see dumpadm(1M)) before rebooting.
Any other howto argument causes the kernel file to boot.
The interpretation of the bootargs argument is platform-dependent.
Upon successful completion, reboot() never returns. Otherwise, -1 is returned and errno is set to indicate the error.
The reboot() function will fail if:
EPERM The {PRIV_SYS_CONFIG} privilege is not asserted in the effective set of the calling process.
intro(1M), boot(1M), dumpadm(1M), halt(1M), init(1M), kernel(1M), reboot(1M), uadmin(2)
22 Mar 2004 reboot(3C)