Re: Blacklist Nouveau permanentely and no sound hda-intel

["Marco Menne" <marco.menne@mailbox.org>]

Oh sorry, I didn't wrote that.
Your solution is exactly what I mean. Thank you.

29. September 2021 15:02, "Tobias Geerinckx-Rice" <me@tobias.gr> schrieb:

> Marco,
> 
> Hullo and welcome!
> 
> "Marco Menne" via 写道：
> 
>> I searched a lot in the net but did'nt find an useful answer for
>> Guix system.
>> I know to blacklist the nouveau graphics driver on boot but how
>> can I blacklist it permanentely?
> 
> You don't mention how you do so on boot.
> 
> I assume you're talking about adding
> ‘modprobe.blacklist=nouveau[,…]’ to the kernel command line[0] in
> GRUB.
> 
> You can easily ask[1] Guix to add it to the default kernel command
> line at each boot, like so:
> 
> (operating-system
> […]
> (kernel-arguments
> (cons* "modprobe.blacklist=nouveau[,…]"
> […]
> %default-kernel-arguments))
> […])
> 
> Don't forget to reconfigure and optionally reboot.
> 
>> My second question is about the hda-intel sound driver.
>> I have hda-intel and nvidia-hdmi sound modules. On Slackware I
>> cloud blacklist the Nvidia driver and could get the intel driver
>> working.
>> But as in Guix system there is no /etc/modprobe.d/ folder I
>> don't know how to get my sound working.
> 
> You forgot to mention how you'd use /etc/modprobe.d to do so… ;-)
> So here too I can only guess an answer.
> 
> If you just want to add default module options, you can do so on
> the kernel command line as well: either manually in GRUB (to test)
> or the kernel-arguments field mentioned above.
> 
> For a random example plucked from ‘modinfo snd_hda_intel’: to
> disable power saving, simply add "snd_hda_intel.power_save=0", and
> the kernel will set this option for you whenever snd_hda_intel is
> loaded, no matter when or how or who loads it.
> 
> Kind regards,
> 
> T G-R
> 
> [0]:
> https://guix.gnu.org/manual/devel/en/guix.html#Initial-RAM-Disk
> [1]:
> https://guix.gnu.org/manual/devel/en/guix.html#operating_002dsystem-Reference