NetBSD Problem Report #58077

From www@netbsd.org  Mon Mar 25 19:47:11 2024
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Date: Mon, 25 Mar 2024 19:47:10 +0000 (UTC)
From: naguam@ik.me
Reply-To: naguam@ik.me
To: gnats-bugs@NetBSD.org
Subject: Mesa Crocus
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>Number:         58077
>Category:       pkg
>Synopsis:       Mesa Crocus
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Mon Mar 25 19:50:01 +0000 2024
>Originator:     Naguam
>Release:        NetBSD 10.0_RC6
>Organization:
None
>Environment:
NetBSD i5-1gen.Home 10.0_RC6 NetBSD 10.0_RC6 (GENERIC) #0: Tue Mar 12 10:19:02 UTC 2024  mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/amd64/compile/GENERIC amd64
>Description:
Hello,

I don't know many things about system programming for now, especially regarding gpu and OpenGL driver.

However I know for sure that as Iris improved Gen 8 (Broadwell) gpu drivers.
Crocus helped a lot on older drivers (I have a gen5 Ironlake mobile gpu supporting crocus)

For now I am using the installed 19 (and sometimes tries the pkgsrc version 21.3) and there are still problems (not sure it is not related to kernel driver though) but I was curious if the MesaLib maintainer tried to enable crocus. This could help with problems.

I know it is not enabled in the PKG src binary build because the MESA_LOADER_DRIVER_Override=crocus global env variable does not find the right crocus.so in any of /usr/X11R7/lib/modules/dri or /usr/pkg/lib/dri/ (for pkgsrc version.

Crocus was added in Mesa 21.2 or something like that and this could be a nice addition (It brings some better responsiveness) for older laptop hardware (and NetBSD is often better supporting old hardware AFAIK).

This report is just a suggestion.

I am currently trying to reproduce the Issue I faced recently on RC6 on my GPU to make another bug report.
(Coredump on glxgears with both Integrated and pkgsrc MesaLib). But it is not working so nicely and I understand why webgl is not enabled by default in firefox... (also had crash on some websites)

All the best,
>How-To-Repeat:
None
>Fix:
Enable Crocus on MesaLib

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