Bug 648732 – Intel wireless broken on 11n for many users

Lawrence Graves lgraves95 at gmail.com
Mon Dec 5 23:13:07 UTC 2011

On 12/05/2011 01:32 PM, R. G. Newbury wrote:
> On 12/04/2011 09:44 PM, Lawrence Graves<lgraves95 at gmail.com>
>> On 12/04/2011 07:44 AM, Ian Malone wrote:
>>>>   On 4 December 2011 11:22, Ian Malone<ibmalone at gmail.com>    wrote:
>>>>>>   3. If at this point after rebooting nouveau is still starting then I'm
>>>>>>   really stumped.
>>>>   I've got Lawrence's dmesg output and nouveau is being loaded very early on:
>>>>   [7.591930] [drm] Initialized drm 1.1.0 20060810
>>>>   [7.613319] nouveau 0000:01:00.0: PCI INT A ->    GSI 16 (level, low) ->    IRQ 16
>>>>   [7.613325] nouveau 0000:01:00.0: setting latency timer to 64
>>>>   has the 'blacklist nouveau' line and successfully run:
>>>>   dracut -f /boot/initramfs-$(uname -r).img $(uname -r)
>>>>   If he has done these then does anyone know how nouveau could still get
>>>>   loaded?
>> I just placed rdblacklist=nouveau in the grub command line and also
>> added it to the blacklist.conf file and then rebooted and nothing.
> Nouveau probably got loaded because the initramfs is still the old one.
> And the nvidia driver has not been installed/loaded so that dracut uses
> *it* (instead of nouveau) when creating the new initramfs. The
> ...'rebooted and nothing' suggests that *no* video driver is being
> loaded. Here is a recipe of steps for Lawrence to follow:
> 1	Add rdblacklist=nouveau to kernel grub line (done)
> 2	For the moment add rdblacklist=iwl4965 to the kernel grub line
> 3	Change your /etc/X11/xorg.conf file Device section to say Driver "vesa"
> [ If using the nvidia binary run-file to install, change /etc/inittab to
> boot into run-level 3 ( multi-user under systemd not 'graphical']
> 4	Reboot. This should get you through to the desktop *with the vesa
> (basic) driver: no nouveau, no nvidia, no iwl4695.
> 5	Install the nvidia drivers using rpmfusion [ or the nvidia run file.]
> 6	Change the xorg.conf device section Driver line to Driver "nvidia"
> 7	Reboot.
> You should now be using the nvidia driver at runlevel 3 (console).
> 8	Run 'lsmod  | grep nvidia', You should see  something like   'nvidia
> 11694654 30'
> See what happens when you run 'startx'
> 9.	Run the 'dracut' command line given above to create a new initramfs
> *with* nvidia and *without* nouveau (also without iwl4695 ATM)
> 10.	Change inittab to runlevel 5
> 11	Reboot. You should go right through to the graphical desktop.
> At this point, nvidia will be working. But you will not have any
> wireless. Reboot a couple of times, so you can bask in the splendour of
> getting the nvidia driver installed.
> 12.	NOW and ONLY NOW, remove the rdblacklist=iwl4695 from the kernel
> grub line. (You can remove or retain the nouveau reference)
> 13.	It has not been mentioned: do you have the firmware installed?
> 	Run 'yum install iwl4965-firmware'
> 	Now it gets interesting: see whether iwl4695 actually conflicts with
> nvidia.
> 14.	Run 'modprobe iwl4695'
> 15.	Run 'lsmod | grep iwl4965' to check that it has been installed.
> 16	Use 'system-config-network' to configure your wireless.
> 	Check that it is working properly.
> 17	Re-run dracut to create a new initramfs *with* iwl4695.
> 18	Reboot to check.
After doing all the above from 1-18, it is still doing the same thing 
and gave me the same screen as when I first start this journey.
Lawrence Graves All things are workable but don't all things work.
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