Bug#929451: linking shaders twice fails, fixed by rebuilding the package
On Thu, May 23, 2019 at 08:27:40PM +0200, Steinar H. Gunderson wrote:
> This fails with libgl1-mesa-dri from testing _only_ (both unstable
> and experimental are fine), and even more interesting; if I recompile
> mesa 18.3.4-2 myself with zero changes and install the resulting
> libgl1-mesa-dri package, the problem goes away! So either the build
> was made on a broken machine, or something in unstable has changed
> in the meantime.
I figured out why a rebuild helped; it's a shader cache problem,
and Mesa's shader cache is keyed (among others) on the build ID.
Unfortunately, even after clearing the shader cache, I can provoke these
issues with a bit of work. So something is corrupting the shader cache.
> So, please binNMU libgl1-mesa-dri for at least amd64, since this is
> likely to break a fair amount of applications.
You can disregard this part, then.
/* Steinar */
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