Hi, Maxim Cournoyer <[email protected]> writes:
> Hello, > > Maxim Cournoyer <[email protected]> writes: > >> Hi, >> >> When booting my Guix System with linux-libre 6.0.8, nouveau silently >> fails to render OpenGL. It includes symptoms such as: >> >> 1. Getting stuck on the GDM screen, which makes use of OpenGL >> 2. Not being able to use Qt5 or Qt6 applications, which renders via >> OpenGL. >> 3. the 'glxgears' program from mesa-utils displays frozen gears (not >> turning) >> >> My graphic card is an old nvidia 8800 GTS with 640 MiB of video RAM. >> >> Workaround: Adding the '(kernel linux-libre-5.15)' to my OS definition >> fixes it. > > Now reported upstream at > https://gitlab.freedesktop.org/drm/nouveau/-/issues/192. The commit that regressed was found via git bisect, by using the following in my system configuration: --8<---------------cut here---------------start------------->8--- modified guix/hurd.scm @@ -1,6 +1,7 @@ (use-modules (gnu) + (guix git) (guix modules) (guix store) (srfi srfi-1) @@ -98,6 +99,21 @@ +(define make-linux-libre* (@@ (gnu packages linux) make-linux-libre*)) + +(define (linux-source commit) + (git-checkout + (url "file:///home/maxim/src/linux") + (commit commit))) + +(define %linux-commit "889fcbe949bdd8470931a90b91f273ca18c510c1") + +(define-public %linux-kernel + (make-linux-libre* "5.19" "0" (linux-source %linux-commit) '("x86_64-linux") + #:configuration-file (@@ (gnu packages linux) kernel-config) + #:extra-version "stock" + #:build-doc? #f)) + (define %mapped-devices (list (mapped-device --8<---------------cut here---------------end--------------->8--- And changing the value of %linux-commit for each git bisect. The original git-checkout clone took forever (multiple hours), but after the initial clone done, each kernel build took about 20 minutes on a fast machine. The offending Linux commit is 889fcbe949bdd8470931a90b91f273ca18c510c1 [0] [0] https://gitlab.freedesktop.org/drm/nouveau/-/commit/889fcbe949bdd8470931a90b91f273ca18c510c1 -- Thanks, Maxim
