On 6/26/07, Jonathan Underwood <jonathan.underwood@xxxxxxxxx> wrote:
Paul,
You have my sympathies. I too have had massive problems with the
iwl3945 driver. It really is unstable and not ready for production
use. The issues you refer to regarding ipw3945 and suspend are easily
solved by stopping the regulatory daemon and removing the kernel
module prior to suspend. You also need to blacklist the iwl3945 module
if you are using the ipw3945 module.
An easy way to get all of this to work is to use the dkms-ipw3945
package shipped by FreshRPMs - that takes care of the suspend issues
for you. All that you have to do is add a line
reading
blacklist iwl3945
to /etc/modprobe.conf.d/blacklist
And you're set.
HTH
Jonathan
Dear Johathan:
This was a helpful pointer. I've not used the FreshRPMS repo lately.
For other readers, I'd just like to clear something up. The
dkms-ipw3945 package is the kernel module, as far as I can tell it is
the same thing you get if you build yourself and it does nothing
concerning suspend/resume. However, the FreshRPMs package ipw3945d,
the regulatory daemon, does have a component that addresses the
suspend/resume problem with ipw3945.
Here is how the problem is addressed. The RPM installs a file pm
configuration file at this location:
/etc/pm/hooks/11ipw3945
And, as you can see, the content of this file is simple.
#!/bin/sh
case "$1" in
hibernate|suspend)
/sbin/lsmod | grep -q ipw3945 || exit 0
{ /sbin/service ipw3945d stop && /sbin/modprobe -r
ipw3945 ; } 2>/dev/null
;;
thaw|resume)
{ /sbin/modprobe ipw3945 && /sbin/service ipw3945d
start ; } 2>/dev/null
;;
*)
;;
esac
exit $?
So, if you are having the suspend/resume problem with the intel
ipw3945 driver, then you can install the ipw3945d RPM from FreshRPM or
you can just put this in your power management hooks directory
--
Paul E. Johnson
Professor, Political Science
1541 Lilac Lane, Room 504
University of Kansas
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