Bug#940926: Xorg logs

[TarotApprentice]

    Buster /var/log/Xorg.0.log
[     2.401] (II) xfree86: Adding drm device (/dev/dri/card0)
[     2.404] (--) PCI:*(8 at 0:0:0) 10de:2182:1043:86a3 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[     2.404] (II) LoadModule: "glx"
[     2.404] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[     2.408] (II) Module glx: vendor="X.Org Foundation"
[     2.408]    compiled for 1.20.4, module version = 1.0.0
[     2.408]    ABI class: X.Org Server Extension, version 10.0
[     2.631] (==) Matched nouveau as autoconfigured driver 0
[     2.631] (==) Matched nv as autoconfigured driver 1
[     2.631] (==) Matched modesetting as autoconfigured driver 2
[     2.631] (==) Matched fbdev as autoconfigured driver 3
[     2.631] (==) Matched vesa as autoconfigured driver 4


Stretch /var/log/Xorg.0.log
[     3.746] (II) xfree86: Adding drm device (/dev/dri/card0)
[     3.748] (--) PCI:*(0:8:0:0) 10de:2182:1043:86a3 rev 161, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[     3.748] (II) LoadModule: "glx"
[     3.749] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[     3.752] (II) Module glx: vendor="X.Org Foundation"
[     3.752]    compiled for 1.19.2, module version = 1.0.0
[     3.752]    ABI class: X.Org Server Extension, version 10.0
[     3.752] (II) Applying OutputClass "nvidia" to /dev/dri/card0
[     3.752]    loading driver: nvidia
[     3.752] (==) Matched nvidia as autoconfigured driver 0
[     3.752] (==) Matched nouveau as autoconfigured driver 1
[     3.752] (==) Matched nv as autoconfigured driver 2
[     3.752] (==) Matched nouveau as autoconfigured driver 3
[     3.752] (==) Matched nv as autoconfigured driver 4
[     3.752] (==) Matched modesetting as autoconfigured driver 5
[     3.752] (==) Matched fbdev as autoconfigured driver 6
[     3.752] (==) Matched vesa as autoconfigured driver 7
[     3.752] (==) Assigned the driver to the xf86ConfigLayout
[     3.752] (II) LoadModule: "nvidia"
[     3.752] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[     3.754] (II) Module nvidia: vendor="NVIDIA Corporation"
[     3.754]    compiled for 4.0.2, module version = 1.0.0
[     3.754]    Module class: X.Org Video Driver


As can be seen from the logs Buster failed to load a nvidia driver and falls back to using Nouveau, which doesn't know what a GTX1660Ti is, but Stretch does loads the nvidia driver.


Stretch: ls /usr/lib/xorg/modules/drivers -lh
total 3.0M
-rw-r--r-- 1 root root 144K Nov 17  2016 amdgpu_drv.so
-rw-r--r-- 1 root root  11K Nov 17  2016 ati_drv.so
-rw-r--r-- 1 root root  24K Sep 24  2013 fbdev_drv.so
-rw-r--r-- 1 root root 1.7M Dec 14  2016 intel_drv.so
-rw-r--r-- 1 root root  85K Nov  1  2018 modesetting_drv.so
-rw-r--r-- 1 root root 206K Apr 22  2017 nouveau_drv.so
lrwxrwxrwx 1 root root   36 Nov 30 11:00 nvidia_drv.so -> /etc/alternatives/glx--nvidia_drv.so
-rw-r--r-- 1 root root 177K Nov 27  2016 qxl_drv.so
-rw-r--r-- 1 root root 479K Nov 17  2016 radeon_drv.so
-rw-r--r-- 1 root root  28K Oct 29  2015 vesa_drv.so
-rw-r--r-- 1 root root 167K Nov 17  2016 vmware_drv.so


Buster: ls /usr/lib/xorg/modules/drivers -lh
total 3.1M
-rw-r--r-- 1 root root 158K Feb  8  2019 amdgpu_drv.so
-rw-r--r-- 1 root root  15K Apr  7  2019 ati_drv.so
-rw-r--r-- 1 root root  23K Jun  7  2018 fbdev_drv.so
-rw-r--r-- 1 root root 1.7M Oct 10  2018 intel_drv.so
-rw-r--r-- 1 root root 109K Mar  6  2019 modesetting_drv.so
-rw-r--r-- 1 root root 221K Feb  1  2019 nouveau_drv.so
-rw-r--r-- 1 root root 177K May 25  2018 qxl_drv.so
-rw-r--r-- 1 root root 503K Apr  7  2019 radeon_drv.so
-rw-r--r-- 1 root root  32K Aug 18  2018 vesa_drv.so
-rw-r--r-- 1 root root 167K May 26  2018 vmware_drv.so

Buster doesn't appear to have a nvidia glx driver.