-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Fri, Mar 30, 2018 at 04:50:06AM -0300, rv riveravaldez wrote: > On Thu, Mar 29, 2018 at 11:28 PM, Stefan Monnier > <monn...@iro.umontreal.ca> wrote: > >> I'm running with a 'nouveau.noaccel=1' kernel parameter added at hand > > [...] > >> Is there any way to deactivate and reactivate such a parameter without > >> the need to reboot? > > > > You can try and change it with > > > > # echo 0 > /sys/modules/<MODULENAME>/parameters/noaccel > > > > > > -- Stefan > > Hi, thanks a lot. > > I tried it in both situations with same result. > > Deactivate: > > # cat /sys/module/nouveau/parameters/noaccel > 1 > # echo 0 > /sys/module/nouveau/parameters/noaccel > bash: /sys/module/nouveau/parameters/noaccel: Permiso denegado > > Activate: > > # cat /sys/module/nouveau/parameters/noaccel > 0 > # echo 1 > /sys/module/nouveau/parameters/noaccel > bash: /sys/module/nouveau/parameters/noaccel: Permiso denegado > > > 'Permiso denegado' means 'Permission denied'. > > > What else shoud/could I do?
You have to be root to change those things. Try sudo bash -c "echo 0 > /sys/module/nouveau/parameters/noaccel" It will ask you for your password. Cheers - -- t -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEARECAAYFAlq+CHYACgkQBcgs9XrR2kbUoQCfSWss+r2d5H9ntGXsj43UERzA ZkQAn2MFTAEbdefe/mdnYUpHYJ+kNyWb =sjIM -----END PGP SIGNATURE-----
