Re: What's wrong with new kernels

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On 10/06/17 15:04, Ambrogio wrote:
> Il giorno gio, 05/10/2017 alle 12.58 -0700, Samuel Sieb ha scritto:
>
>> Be aware that blacklisting just stops the module from being loaded 
>> automatically.  If there's something directly running insmod or
>> modprobe 
>> on it, then it will still get loaded.  The simplest option would be
>> to 
>> just move the module somewhere else temporarily.
> Well... I removed packages and ran dracut to rebuild initramfs.
> So, no more modules are present.
> I upgraded the laptop BIOS.
>
> So, the kernel is more tainted, but I can't find what taints it.
>
> I downloaded the last Fedora 27 beta live images and it don't works.
> The nouveau driver crashes and no graphics loaded.
> Also, the keyboard is not working so I can't switch to a console to do
> some things.
> I can see during the nouveau crash, thet it says kernel is tainted.
> So the original, fresh, fedora official kernel is tainted by default!
> And so, no chance to do throubleshooting on that kernel.
> I can't imagine why.
>
> I will try with different distros but I think this is a Kernel problem.
> I can't understand why it is working with old 4.11 kernels and not with
> 4.12 or 4.13.


I have uploaded the file "tainted.c".

You can get it here.   https://paste.fedoraproject.org/paste/qA368k5o2qMRXhJxNWJktQ

Compile it with "gcc -o tainted tainted.c" and run the resultant binary and then post
your results.



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