Hi, On 2026-11-09 15:00, Jeremy Bícha wrote: > Source: mesa > Version: 26.2.6-1 > Severity: serious > Tags: forky ftbfs > Control: affects -1 src:qt6-pim > X-Debbugs-Cc: [email protected], [email protected] > User: [email protected] > Usertags: riscv64 > > mesa 26.2.6 appears to regress on riscv64 as seen in autopkgtests > triggered by mesa itself: > https://qa.debian.org/excuses.php?package=mesa > > In qt6-pim's build tests, this error is seen on riscv64: > https://buildd.debian.org/status/logs.php?pkg=qt6-pim&arch=riscv64 > > 25: qt.glx: qglx_findConfig: Failed to finding matching FBConfig for > QSurfaceFormat(version 2.0, options > QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, > redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize > -1, stencilBufferSize -1, samples -1, swapBehavior > QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace > QColorSpace(), profile QSurfaceFormat::NoProfile) > 25: qt.glx: qglx_findConfig: Failed to finding matching FBConfig for > QSurfaceFormat(version 2.0, options > QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, > redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize > -1, stencilBufferSize -1, samples -1, swapBehavior > QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace > QColorSpace(), profile QSurfaceFormat::NoProfile) > 25: qt.glx: qglx_findConfig: Failed to finding matching FBConfig for > QSurfaceFormat(version 2.0, options > QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, > redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize > -1, stencilBufferSize -1, samples -1, swapBehavior > QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace > QColorSpace(), profile QSurfaceFormat::NoProfile) > 25: Could not initialize GLX > > This error will likely cause build tests for many packages across > Debian to fail. In other words, FTBFS.
I confirm the issue. It is due to binutils 2.47.50.20261021-1 which miscompiles mesa-libgallium. I still have to investigate if a newer binutils snapshot fixes the issue, and if not try to understand if the issue needs to be fixed on the mesa side or on the binutils side. Regards Aurelien -- Aurelien Jarno GPG: 4096R/1DDD8C9B [email protected] http://aurel32.net

