Package: libglx-mesa0 Version: 24.3.0~rc1-1 Severity: serious Justification: makes other packages FTBFS Forwarded: https://gitlab.freedesktop.org/mesa/mesa/-/issues/12452
Dear Maintainer, When mesa was updated to 24.3 branch a few days ago, some packages of our Qt/KDE team started to FTBFS on ppc64el with segmentation fault in tests: - https://buildd.debian.org/status/fetch.php?pkg=qtlocation-opensource-src&arch=ppc64el&ver=5.15.15%2Bdfsg-3&stamp=1736409866&raw=0 - https://buildd.debian.org/status/fetch.php?pkg=pyside2&arch=ppc64el&ver=5.15.16-2%2Bb1&stamp=1736410659&raw=0 - https://buildd.debian.org/status/fetch.php?pkg=pyside6&arch=ppc64el&ver=6.7.3-1&stamp=1736463626&raw=0 It can also be seen that autopkgtests of some reverse dependencies of mesa fail on ppc64el, e.g. clutter: https://ci.debian.net/data/autopkgtest/testing/ppc64el/c/clutter-1.0/56277784/log.gz I managed to obtain a stack trace of qtlocation test on a porterbox: Thread 14 "QSGRenderThread" received signal SIGSEGV, Segmentation fault. 0x00007ffff70618c0 in stderr () from /usr/lib/powerpc64le-linux-gnu/libc.so.6 (gdb) bt #0 0x00007ffff70618c0 in stderr () from /usr/lib/powerpc64le-linux-gnu/libc.so.6 #1 0x00007fffea989070 in driswSwapBuffers (pdraw=0x7fffa0001880, target_msc=<optimized out>, divisor=<optimized out>, remainder=<optimized out>, flush=<optimized out>) at ../src/glx/drisw_glx.c:550 #2 0x00007fffea98e664 in glXSwapBuffers (dpy=0x10005c6b0, drawable=2097164) at ../src/glx/glxcmds.c:678 #3 0x00007ffff75688d4 in glXSwapBuffers (dpy=0x10005c6b0, drawable=2097164) at ../src/GLX/libglx.c:1207 #4 0x00007ffff70b7d7c in glXSwapBuffers (dpy=<optimized out>, drawable=<optimized out>) at src/generate/g_libglglxwrapper.c:1324 #5 0x00007fffeae3acac in QGLXContext::swapBuffers (this=0x1001f3880, surface=0x10015e3f0) at qglxintegration.cpp:637 #6 0x00007ffff5bf4ca4 in QOpenGLContext::swapBuffers (this=0x7fffec0029e0, surface=<optimized out>) at kernel/qopenglcontext.cpp:1121 #7 0x00007ffff54be550 in QSGRenderThread::syncAndRender (this=this@entry=0x100220690, grabImage=grabImage@entry=0x0) at scenegraph/qsgthreadedrenderloop.cpp:878 #8 0x00007ffff54bedbc in QSGRenderThread::run (this=0x100220690) at scenegraph/qsgthreadedrenderloop.cpp:1051 #9 0x00007ffff76eeac0 in operator() (__closure=<optimized out>) at thread/qthread_unix.cpp:350 #10 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=...) at thread/qthread_unix.cpp:287 #11 QThreadPrivate::start (arg=0x100220690) at thread/qthread_unix.cpp:310 #12 0x00007ffff6eac550 in start_thread (arg=0x7fffb37ef080) at pthread_create.c:447 #13 0x00007ffff6f58bac in __GI___clone3 () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone3.S:114 This issues is present in 24.3.0~rc1-1 and 24.3.3-1 uploads, but not present in 24.2.8-1. I was not able to bisect it further yet, first because lack of time and second because there are some packaging differences between 24.2 and 24.3 uploads. -- Dmitry Shachnev
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