[EdLUG] Module parameters are different from cmdline

Edinburgh Linux Users Group edlug at lists.edlug.org.uk
Wed Dec 28 19:01:15 UTC 2016







On Wed, 28 Dec 2016, at 06:24 PM, Edinburgh Linux Users Group wrote:

> Hi guys,

> I have a question about kernel module parameters :) The problem I have
> is that i915 kernel module uses different options from what I supply
> in the kernel parameters and modprobe.d. I'm trying to load it with
> "enable_execlists=0" while it still uses "enable_execlists=1":
> 

> *$ modprobe -c | grep i915 | grep execlists*

> options i915 enable_rc6=7 enable_psr=2 enable_fbc=1 lvds_downclock=1
> semaphores=1 *enable_execlists=0* modeset=1
> options i915 *enable_execlists=0*

> 

> *$ sudo cat /sys/module/i915/parameters/enable_execlists *

> *1*

> 

> The distro is Ubuntu 16.10. Have you by any chance seen such a
> behavior before? It seems like the loader picks up the options from
> the Kernel cmdline and from modprobe.d, but the actually loaded module
> still uses its own settings
> 
> 

Did you regenerate the initrd?



Graeme
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