[ltp] Ubuntu 10.04 and sysfsutils: Unknown attribute

Tino Keitel linux-thinkpad@linux-thinkpad.org
Mon, 31 May 2010 17:10:59 +0200


On Fri, May 28, 2010 at 18:07:31 +0200, Christoph Bier wrote:

[...]

> chris@skull-tp:~$ sudo /etc/init.d/sysfsutils start
> [sudo] password for chris:
>  * Setting sysfs variables...
>              * unknown attribute
> bus/pci/drivers/iwlagn/0000:03:00.0/power_level

As of 2.6.32(?) this was removed, and replaced by iwconfig <interface>
power [on|off]. However, iwl3945 and iwl4965 have power management
disabled, so if you want to use this on the above hardware, you have to patch
the kernel[1].

Regards,
Tino

[1] http://old.nabble.com/-PATCH--{RFC}-iwlagn:-make-'broken'-powersaving-a-module-parameter-for-3945-4965-td28036168.html