[elrepo-devel] How to avoid the "tainting kernel" message?

[Akemi Yagi]

Hi Oliver,

On Wed, Feb 24, 2016 at 11:35 PM, Sang, Oliver <oliver.sang at intel.com>
wrote:

> Hi Akemi,
>
>
>
> This is my results -
>
> $ grep "(" /proc/modules
>
> i915 1344032 4 - Live 0xffffffffa01c9000 (OE)
>
> drm_ukmd_kms_helper 141060 1 i915, Live 0xffffffffa016f000 (OE)
>
> drm_ukmd 369649 3 i915,drm_ukmd_kms_helper, Live 0xffffffffa00b7000 (OE)
>
> drm_ukmd_compat 109279 1 i915, Live 0xffffffffa0019000 (OE)
>
> drm 354356 3 drm_ukmd, Live 0xffffffffa0036000 (OE)
>
>
>
> So it seems only because of sign problem, am I right?
>
> In panic.c
>
> *  'O' - Out-of-tree module has been loaded.
>
> *  'E' - Unsigned module has been loaded.
>
>
>
> And -
>
> $ cat /proc/sys/kernel/tainted
>
> 12288
>
>
>
> I don’t know what this number means.
>

That number, 12288, seems to agree with your other output.
According to :

https://www.kernel.org/doc/Documentation/sysctl/kernel.txt

4096 - An out-of-tree module has been loaded.
8192 - An unsigned module has been loaded in a kernel supporting module
signature.

4096+8192=12288

Akemi
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