This happens both in a fresh install of bookworm and after an upgrade to
testing (trixie).
However, such file does not seem to exist:
user@laptop1:~$ apt-file search i965_dri.so
user@laptop1:~$
[ 8.773] (II) Initializing extension GLX
[ 8.774] (EE) AIGLX error: dlopen of /usr/lib/x86_64-linux-
gnu/dri/i965_dri.so failed (/usr/lib/x86_64-linux-gnu/dri/i965_dri.so: cannot
open shared object file: No such file or directory)
[ 8.774] (EE) AIGLX error: unable to load driver i965
[ 9.063] (II) IGLX: Loaded and initialized swrast
[ 9.063] (II) GLX: Initialized DRISWRAST GL provider for screen 0
Xorg.0.log reports that the intel driver is loaded:
[ 8.750] (II) LoadModule: "intel"
[ 8.751] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 8.755] (II) Module intel: vendor="X.Org Foundation"
[ 8.755] compiled for 1.21.1.3, module version = 2.99.917
[ 8.755] Module class: X.Org Video Driver
[ 8.755] ABI class: X.Org Video Driver, version 25.2
[ 8.755] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[ 8.756] (II) intel: Driver for Intel(R) HD Graphics
[ 8.756] (II) intel: Driver for Intel(R) Iris(TM) Graphics
[ 8.756] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics
[ 8.757] (II) intel(0): Using Kernel Mode Setting driver: i915, version
1.6.0 20201103
[ 8.757] (II) intel(0): SNA compiled: xserver-xorg-video-intel
2:2.99.917+git20210115-1 (Timo Aaltonen <tjaalton@debian.org>)
[ 8.757] (II) intel(0): SNA compiled for use with valgrind
[ 8.759] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics
530
[ 8.759] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2,
avx, avx2; using a maximum of 4 threads
[ 8.759] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[ 8.759] (==) intel(0): RGB weight 888
[ 8.759] (==) intel(0): Default visual is TrueColor
[ 8.760] (II) intel(0): Output eDP1 using monitor section Monitor0
[ 8.761] (**) intel(0): Found backlight control interface intel_backlight
(type 'raw') for output eDP1
[ 8.761] (II) intel(0): Enabled output eDP1
[ 8.761] (--) intel(0): Using a maximum size of 256x256 for hardware
cursors
[ 8.761] (II) intel(0): Output VIRTUAL1 has no monitor section
[ 8.761] (II) intel(0): Enabled output VIRTUAL1
[ 8.761] (--) intel(0): Output eDP1 using initial mode 1920x1080 on pipe 0
[ 8.762] (==) intel(0): TearFree enabled
[ 8.762] (==) intel(0): Using gamma correction (1.0, 1.0, 1.0)
[ 8.762] (==) intel(0): DPI set to (96, 96)