Date: Sat, 20 Mar 2021 22:30:02 +0000 From: bugzilla-noreply@freebsd.org To: x11@FreeBSD.org Subject: maintainer-feedback requested: [Bug 254446] graphics/drm-fbsd12.0-kmod: (radeon) drmn0: forbidden register 0x00028b90 at 1259 Message-ID: <bug-254446-7141-oqZFs0DU5F@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-254446-7141@https.bugs.freebsd.org/bugzilla/> References: <bug-254446-7141@https.bugs.freebsd.org/bugzilla/>
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Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-x11 (Nobody) <x11@FreeBSD.org> for maintainer-feedback: Bug 254446: graphics/drm-fbsd12.0-kmod: (radeon) drmn0: forbidden register 0x00028b90 at 1259 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254446 --- Description --- OS: FreeBSD 12.2-STABLE HW: ATI Radeon HD 2400 PRO (RV610 GPU) After 12.2 upgrade, using the radeonkms module as shipped with the kernel, everything worked but I always got that libGL error: failed to load driver: radeon error for all applications using OpenGL, and in general, graphics appeared = to be slow (e.g. when switching virtual screens, xterm took a noticable time to redraw a terminal window). Research indicated to use drm-fbsd12.0-kmod instead of the modules shipped = with kernel. Initial attempts to use these resulted in the system quickly panicking afte= r a few minutes of X11 operation. Rebuilt all modules (and GPU firmware) today,= now it appears to be stable, and the dreadful "failed to load driver" message is gone. Overall graphics performance appears OK now. Most OpenGL applications= to work well. However, cad/horizon-eda (which requires OpenGL 3.2 as minimum) triggers kernel errors, and yields garbage in its drawing areas. forbidden register 0x00028b90 at 1215 Invalid command stream ! Using the deprecated system-supplied kms modules, horizon-eda worked without problems.
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