operation not permitted

[Karl Auer]

On Tue, 2024-03-12 at 09:17 -0400, Jerry Geis wrote:
> echo "performance" > /sys/module/pcie_aspm/parameters/policy
> bash: echo: write error: Operation not permitted

I did a bit of searching and found (among other things) this:

https://bbs.archlinux.org/viewtopic.php?id=154804

It's old, not Ubuntu, but still plausible. I strongly suggest you edit
the boot command manually first and test things before committing a
change to your GRUB configuration.

*** I have not tried this myself ***

Regards, K.


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Karl Auer (kauer at biplane.com.au, he/him)
http://www.biplane.com.au/kauer