Re: ipw2200 Wireless Extensions 19 vs wireless userspace tools with WE 18 breaks NetworkManager?

[Dan Williams <dcbw redhat com>]

On Fri, 23 Sep 2005, Shawn Starr wrote:
> I am unable to run NetworkManager it coredumps in file:  
> NetworkManagerUtils.c line 367, function: nm_dispose_scan_result
> 
> Note when I run iwconfig eth1 scanning it works but a warning is displayed indicating the driver is newer than the userspace tools, and some thing may be broken. However, it goes on to display the APs near me.
> 
> Anyone else report problems?

Hi,

You are correct, wireless-toools is now at 19 and that breaks some stuff.  But 
its not because NetworkManager is WE18 (i updated it last week to recompile 
against newer wireless tools), but mainly because wireless-tools internal 
scanning function seems to be incompatible with kernel wireless drivers.  So its 
really a wireless-tools problem.

I'm not quite sure what the deal here is, but 'iwlist eth0 scanning' takes its 
wireless extenstions from some other place than the WE version compiled into the 
kernel/headers at the time wireless-tools is built.  This leasds the 
iw_process_scan() function to look for pointers in the wrong place and segfault, 
taking NetworkManager with it.

More investigation is needed, but I blame kernel drivers :)

Dan