Re: FC2: Question about hotplugging

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On Fri, 2004-05-28 at 17:11, Ow Mun Heng wrote:
> On Fri, 2004-05-28 at 12:31, Jean-Rene Cormier wrote:
> > On Fri, 2004-05-28 at 16:06, Scot L. Harris wrote:
> > > On Fri, 2004-05-28 at 14:44, Jean-Rene Cormier wrote:
> > > > Hi, I have a laptop with an Intel Pro Wireless mini-PCI card and I
> > > > installed the IPW2100 driver and I can do a modprobe ipw2100 and it
> > > > loads the module and the firmware but when I boot the laptop the module
> > > > gets loaded automatically but it can't find the firmware. After Fedora
> > > > is done booting I can do an rmmod ipw2100 and then a modprobe ipw2100
> > > > and the module will load and it will find and load the firmware. I asked
> > > > on the IPW2100-devel list and someone suggested to me that maybe it was
> > > > because the modules gets loaded before fedora starts hotplugging. I just
> > > > looked at the init scripts and hotplug seems to start in the rc.sysinit
> > > > so obviously it should start before networking. Is there a way I could
> > > > make sure hotplugging gets started earlier than the networking in the
> 
> I use ndiswrapper and I don't see that problem.
> 
> > 
> > > In your network config for the card turn off the start at boot option.  
> > > 
> > > Was not intuitive but it works for me.  I can boot up and the card and
> > > network get started.
> > 
> > I had it setup like that for my PCMCIA card and it worked but this is
> > for the internal wireless card and setting ONBOOT=no doesn't work.
> 
> I think this is because of the entry for ipw2100 in the
> /etc/modprobe.conf file. It loads the modules regardless of whether you
> set onboot or not.

I believe that's the case also, but I did some more testing this weekend
and found out that if I unload the module and try to bring up the
interface with ifup eth1 it won't load the firmware so I think the
problem is with the autoloading of the module through /etc/modprobe.conf
because I can do "modprobe ipw2100" and it loads fine. What's different
between the 2 ways of loading the module, I thought that the autoloading
was done by calling modprobe. Is there a reason why hotplugging doesn't
work when autoloading the module through /etc/modprobe.conf?

> > 
> > The module gets loaded at boot and I get this message:
> > 
> > ipw2100: Intel(R) PRO/Wireless 2100 Network Driver, 0.44
> > ipw2100: Copyright(c) 2003-2004 Intel Corporation
> > divert: allocating divert_blk for eth1
> > Detected ipw2100 PCI devoce at 0000:02:04.0, dev: eth1, mem
> > 0xE0210000-0xE0210FFF -> 2a701000, irq: 5
> > eth1: Using hotplug firmware load.
> > eth1: Firmware 'ipw2100-1.1.fw' not available or load failed.
> > eth1: ipw2100_get_firmware failed: -2
> > eth1: Failed to power on the adapter.
> > eth1: Failed to start the firmware.
> > divert: freeing divert_blk for eth1
> > ipw2100: probe of 0000:02:04.0 failed with error -5
> > 
> > Then if I do an rmmod ipw2100 and modprobe ipw2100 it loads fine and I
> 
> YOu might want to take a look at the attached script. (got it from the
> web. The author's name and email is in it)
> 
> He's just detecting what networks there are and then loading it up.
> (through profiles but personally, I don't use profiles... so...)
> 
> What I can suggest is that you hack this init script to load ipw2100
> urself and not depend on modprobe. That way, You have control.

I could probably just add a modprobe ipw2100 in my rc.local but if I can
get it to work right with /etc/modprobe.conf I would prefer to do it
that way.

Thanks

Jean-Rene Cormier




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