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

[Lawrence Graves]

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. The log file /var/log/Xorg.0.log would be useful. You
>> could also capture the dmesg information (the kernel messages) by
>> doing:
>> dmesg>  dmesg-out.txt
>> If you do send the dmesg-out.txt file created then it's probably best
>> to send that direct to my email rather than the users list as it will
>> be quite big.
>>
> 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
> [7.616906] microcode: CPU0 updated to revision 0xd1, date = 2010-10-01
> [7.616918] microcode: CPU1 sig=0x6f6, pf=0x20, revision=0xc7
> [7.625064] [drm] nouveau 0000:01:00.0: Detected an NV40 generation
> card (0x049a00a2)
> [7.626500] [drm] nouveau 0000:01:00.0: Attempting to load BIOS image from PRAMIN
> [7.650724] cfg80211: Calling CRDA to update world regulatory domain
> [7.653761] iTCO_wdt: Intel TCO WatchDog Timer Driver v1.06
>
> I don't have confirmation from him that he's been able to check:
> cat /etc/modprobe.d/blacklist-nouveau.conf
>
> 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? The next step would be to add nouveau as a rdblacklist line in
> the kernel arguments, it looks like this is now done via
> GRUB_CMDLINE_LINUX in /etc/default/grub.
>
I just placed rdblacklist=nouveau in the grub command line and also 
added it to the blacklist.conf file and then rebooted and nothing. It 
blinked about 3 times and then the readout it showed in the beginning 
and then 1 minute later the error message: iwl4965 0000:0c:00.0: 
Aggregation not enabled for tid 0 because load=1.
-- 
Lawrence Graves All things are workable but don't all things work.
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