Problem with blacklisting kernel modules with boot parameter

Marcin Zajączkowski mszpak at wp.pl
Fri Sep 2 21:43:49 UTC 2011


On 2011-09-02 23:12, John Pilkington wrote:
-- 
http://solidsoft.wordpress.com/ - Working code is not enough

> On 02/09/11 21:28, Marcin Zajączkowski wrote:
>> On 2011-09-02 22:06, Tom Horsley wrote:
>>> On Fri, 02 Sep 2011 21:43:53 +0200
>>> Marcin Zajączkowski wrote:
>>>
>>>> I've read about rd.blacklist boot parameter [2] which should work
>>>> starting with Fedora 12 (as I understand it) [3], but in my case it doesn't.
>>> I've always seen that spelled rdblacklist (no dot).
>> Thanks for your reply. I just tried it, but with no effect. What is more
>> I tried to blacklist some minor module on an another computer with
>> Fedora 14 using rd.blacklist, rdblacklist and blacklist - module was
>> loaded all the time.
>>
>> Could someone confirm that blacklisting at boot level really works for
>> him/her?
>>
>> Regards
>> Marcin
>>
> In F12 the nVidia driver needed rdblacklist=nouveau on the kernel line.
> 
> After two stages of preupgrade this no longer appears in my F14 
> grub.conf    Not directly relevant but it did work in F12.

Thanks for your reply.

I've found some explanation in the other bug in bugzilla [1]:
> rdblacklist only prevents loading of the module in the rd=ramdisk. If you want
> to prevent it to be loaded as soon as your root device is mounted, you also
> have to do [add to /etc/modprobe.d/blacklist-xxx.conf]

That could be a reason.

[1] - https://bugzilla.redhat.com/show_bug.cgi?id=611427

I will try to modify livecd.

Best
Marcin



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