From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Kost <alezost@gmail.com>
Subject: bug#22633: Provide a kvm-less qemu / guix system vm
Date: Sat, 13 Feb 2016 22:10:19 +0300
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In-Reply-To: <87ziv595xb.fsf@dustycloud.org> (Christopher Allan Webber's
	message of "Fri, 12 Feb 2016 09:47:44 -0800")
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To: Christopher Allan Webber <cwebber@dustycloud.org>
Cc: 22633@debbugs.gnu.org

Christopher Allan Webber (2016-02-12 20:47 +0300) wrote:

> Ludovic Court=C3=A8s writes:
>
>> Jookia <166291@gmail.com> skribis:
>>
>>> We should probably also blacklist kvm on Libreboot machines too somehow,
>>
>> A simple way to achieve this is with:
>>
>>   (operating-system
>>     ;; =E2=80=A6
>>     (kernel-arguments '("modprobe.blacklist=3Dkvm-intel,kvm")))
>
> I tried this:
>
>   (operating-system
>     (kernel linux-libre-4.1)
>     (kernel-arguments '("modprobe.blacklist=3Dkvm-intel,kvm"))
>     ...)
>
> The generated Grub configuration looks right:
>
>   menuentry "GNU with Linux-Libre 4.1.17 (alpha)" {
>     search --label --set guix
>     linux /gnu/store/k3l4g22vypwniy0k3f8xha9l8p1s716d-linux-libre-4.1.17/=
bzImage --root=3Dguix --system=3D/gnu/store/flq2702dmj6ppqc4iix6xgp0q364yl3=
l-system --load=3D/gnu/store/flq2702dmj6ppqc4iix6xgp0q364yl3l-system/boot m=
odprobe.blacklist=3Dkvm-intel,kvm
>     initrd /gnu/store/flq2702dmj6ppqc4iix6xgp0q364yl3l-system/initrd
>   }
>
> Unfortunately, after rebooting into it:
>
>   cwebber@oolong:~$ lsmod | grep kvm
>   kvm_intel             155648  0
>   kvm                   491520  1 kvm_intel
>   cwebber@oolong:~$ ls /dev/kvm
>   /dev/kvm
>
> Not sure why it didn't seem to do anything...

I had the same issue.  Some time ago I tried:

  (kernel-arguments '("modprobe.blacklist=3Dpcspkr"))

but "pcspkr" was also listed in lsmod.

--=20
Alex