Re: Flipping the switch to Mesa 21?

On Tue, Apr 23, 2024 at 08:53:54AM +0100, Robert Swindells wrote:
> 
> [sorry for the delay in replying, I have been away and wanted to update
> my test systems to latest -current]
> 
> matthew green <[email protected]> wrote:
> >[email protected] writes:
> >> Hi all,
> >>
> >> I tested out mesa 21, made some changes for intel only, it seems to work
> >> well enough on my combination of test hardware (I have one GPU for each
> >> DRM driver, and tested modesetting too with all of them).
> 
> What have you tried nouveau on?
> 
> I only have a really old NV44 laptop.

I tested with an nvidia GT 730 card
> 
> The missing intel files had also been reported by prlw1@, I had been
> trying to work out where to put the intel_perf files.
> 
> I got most of the way through adding files for Intel Iris and Crocus
> but I don't think they are supported by the kernel code so stopped.
> 
> >> Any reasons not to switch to HAVE_MESA_VER=21?
> >> I am not aware of anything wrong with it.
> 
> I see you have made the switch now, not suggesting you revert.
> 
> > i tested on amdgpu ("R7", seems to be GCN 3, from bristol ridge APU),
> > radeon 5450 (trusty!), and llvmpipe on pinebookpro.  seems at least
> > as functional as old mesa with a few tests.
> 
> I have been using HAVE_MESA_VER=21 on a Radeon 5450 as well with no
> problems.
> 
> Tried amdgpu on a ThinkPad T295, doesn't really work but looks like
> kernel problems, maybe fixed by a DRI update.
> 
> For aarch64, I have been building with LLVMRT disabled so that I could
> be sure that the lima or panfrost code was being used, I haven't tried
> llvmpipe on it for a while.
> 
> Also have the Makefile changes to build libGLESv2 if we wanted to add
> that.

Neat, wiz just said that there's a package trying to use it - x11/zutty,
and wondered whether we can add it.

If you can share the diff, that would be nice (or commit it, if you
prefer)

> 
> > rjs had reported a prior issue i don't recall, but this seems like a
> > good time to at least test, and we can revert if there's something
> > immediately bad to deal with..
> 
> I still get a core dump from glxgears on my one nouveau system, this
> didn't happen with Mesa 19.
> 

Can you share a backtrace?