Re: Disable discrete graphics card (Nvidia)

[Pierre Neidhardt]

On my previous system (Void Linux), bbswitch did not seem to work
either, but I remember that I fixed the issue by _uninstalling_
xf86-video-nouveau.

Is it possible to do such a thing on Guix?  xf86-video-nouveau is in the
store, but it does not show up in the list of installed packages for the
system profile:

> guix package -p /run/current-system/profile -I
xterm   331     out     /gnu/store/x82n8m8czgg376nhz9x84hzqk6adq7wi-xterm-331
network-manager 1.8.4   out     
/gnu/store/036xikkqpkvkdwkjfh9ahll1iacac64f-network-manager-1.8.4
wpa-supplicant  2.6     out     
/gnu/store/xw7fwgdwmgpz75qjgq542l1m4fd8m3by-wpa-supplicant-2.6
avahi   0.7     out     /gnu/store/c04gr23da5pxvw4g131va3phmx0fg1xf-avahi-0.7
udisks  2.1.8   out     /gnu/store/ylgf4m5caibiv3q4a2xvd8l2wrwdm953-udisks-2.1.8
upower  0.99.4  out     
/gnu/store/fpcs8hafs1ph6s3m8jf9r42y6h1nsgx4-upower-0.99.4
elogind 232.4   out     
/gnu/store/16snmg340q85d2mmd950nw1dlhdw65bl-elogind-232.4
guix    0.14.0-9.bdf0c64        out     
/gnu/store/fbpk1zjcqd6p4ny8qx48mvlp4v7qfmld-guix-0.14.0-9.bdf0c64
shepherd        0.4.0   out     
/gnu/store/nn46hr2a1qbnycidy935aa9fjrj56l21-shepherd-0.4.0
lzip    1.19    out     /gnu/store/40dwsic8bkw02wrn2pm188gvay2vzxqk-lzip-1.19
xz      5.2.3   out     /gnu/store/pj8xqlnkwgjia87jy6i8slglip9k8x6a-xz-5.2.3
bzip2   1.0.6   out     /gnu/store/lf5h9hl0yg85dq0qn2pj5aah5wdxz41i-bzip2-1.0.6
gzip    1.8     out     /gnu/store/dh7al9krw0m77z59vrrv8rjdk2c707hf-gzip-1.8
tar     1.29    out     /gnu/store/x4qyaj221gml0ha1c3xpgk9q7bl5ihwk-tar-1.29
gawk    4.1.4   out     /gnu/store/ahxc89r6npzf2bbl8yg5vdjicskzzjf3-gawk-4.1.4
patch   2.7.5   out     /gnu/store/mpdpn3cfq6sgf34sglj3ddfl32g9aqhr-patch-2.7.5
diffutils       3.6     out     
/gnu/store/m3jv69f3gl5yf3kg2vjyw5qqrb3739kp-diffutils-3.6
sed     4.4     out     /gnu/store/0hl513mnpkhszm2hjai2w9cxmpxs0vgq-sed-4.4
grep    3.1     out     /gnu/store/1h44pkgdd7n6s3i2vjh54awsvfmc219j-grep-3.1
findutils       4.6.0   out     
/gnu/store/k7r2m2wgj8x8jjhccwjsiimp0dlzxb7i-findutils-4.6.0
coreutils       8.28    out     
/gnu/store/kgzvfby2ggi1xawsh5vjh4s93qk2dp9k-coreutils-8.28
bash    4.4.12  out     /gnu/store/y9ikcs0lcsip95p1914jv355034yjc6i-bash-4.4.12
guile   2.2.3   out     /gnu/store/b90y3swxlx3vw2yyacs8cz59b8cbpbw5-guile-2.2.3
bash-completion 2.8     out     
/gnu/store/91jzlq0s1c9fy5b4bg1fhyk4jwh5kyxi-bash-completion-2.8
kbd     2.0.4   out     /gnu/store/m0rvq487i0h83znj0a9kxv971cfni5vb-kbd-2.0.4
e2fsprogs       1.43.6  out     
/gnu/store/nm305rpb2mvridkyj4l3636nc9ql4lf9-e2fsprogs-1.43.6
eudev   3.2.4   out     /gnu/store/8ylaz1xxb15iq3x1nvbz9rz2c5clq3d5-eudev-3.2.4
kmod    24      out     /gnu/store/vxjnlh2s0ipk746ha534fpwyhr4nhanx-kmod-24
sudo    1.8.22  out     /gnu/store/di91b51fkk2qrnijld9b752x5zffdnqp-sudo-1.8.22
info-reader     6.5     out     
/gnu/store/g0pfgysh6132afpyfskgfr2vrv8a9qda-info-reader-6.5
man-db  2.8.2   out     /gnu/store/90ri538b7zwpc5ypaw0d6wrh6n8ba5wi-man-db-2.8.2
net-tools       1.60-0.479bb4a  out     
/gnu/store/xjv36zfzik2kvzk7x2l1r9i7hdzq3csn-net-tools-1.60-0.479bb4a
iproute2        4.15.0  out     
/gnu/store/vhl9lqailyx3vljz6bca4m6s63qzgr15-iproute2-4.15.0
wireless-tools  30.pre9 out     
/gnu/store/207fxlrhy0ab8lxyh1yxyrscbzi50dvl-wireless-tools-30.pre9
iw      4.14    out     /gnu/store/4q0mkz7m7p0hwb7yx383bhzgh35l9x1r-iw-4.14
shadow  4.5     out     /gnu/store/76savs1dmnd02xlyqd2q9ri4jm7bashb-shadow-4.5
isc-dhcp        4.3.6-P1        out     
/gnu/store/qmj558s8gdzmlafavk85nfq3k2l39ncn-isc-dhcp-4.3.6-P1
inetutils       1.9.4   out     
/gnu/store/wzrbvgx53wppdvcbcn51js68hzbmzbm9-inetutils-1.9.4
util-linux      2.31.1  out     
/gnu/store/y65aqmkn508ppgwdddrk4hsvhk8cndab-util-linux-2.31.1
usbutils        009     out     
/gnu/store/s5bq8z6gkg1z8rpzzgx3c672nvkq1iar-usbutils-009
pciutils        3.5.6   out     
/gnu/store/5xqq87p02f8ibz4pw08w1ir7p5fzcibv-pciutils-3.5.6
nano    2.9.4   out     /gnu/store/djmyjy1vb8l1gvnj7nwh758p00dij9a0-nano-2.9.4
zile    2.4.14  out     /gnu/store/fx2lav8bjmy8ali965y7bgclj3mh5wnd-zile-2.4.14
less    530     out     /gnu/store/dnhms7grnaqhb19saz39clqp0zg7l1bc-less-530
which   2.21    out     /gnu/store/6k6dfgsxs396rxd36vsbp8k6h5ddhclr-which-2.21
psmisc  22.21   out     /gnu/store/h6y98mp3fjsq5wmfi05cw5czv8wfwj6p-psmisc-22.21
procps  3.3.12  out     
/gnu/store/gb9hkz8asfj76rqqx3217xz5rdcbl55g-procps-3.3.12
nss-scerts      3.36    out     
/gnu/store/lyaj4w53dskvmbgps2nzvangp7nfjfgd-nss-certs-3.36

--
Pierre Neidhardt

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