302152 2025-11-07 05:00:00 -0800 [Tools][GTK] Performance tests fail if WebKitTestRunner prints something in stderr 2026-06-04 15:55:29 -0700 1 1 1 Unclassified WebKit Tools / Tests WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 clopez clopez webkit-bug-importer oldest_to_newest 2157233 0 clopez 2025-11-07 05:00:00 -0800 Since we migrated to the new SDK the GTK Performance bot has been failing lately all the tests in the step `perf-test` Running SVG/WorldcupBenchmark.html (256 of 258) error: SVG/WorldcupBenchmark.html MESA-INTEL: warning: Haswell Vulkan support is incomplete MESA-INTEL: warning: ../src/intel/vulkan_hasvk/anv_formats.c:752: FINISHME: support YUV colorspace with DRM format modifiers MESA-INTEL: warning: ../src/intel/vulkan_hasvk/anv_formats.c:783: FINISHME: support more multi-planar formats with DRM modifiers 0:00:00.047617073 63677 0x55b3c234f920 ERROR msdkcontext gstmsdkcontext.c:186:gst_msdk_context_use_vaapi: Couldn't create a VA DRM display MESA-INTEL: warning: Haswell Vulkan support is incomplete FAILED Finished: 15.154774 s https://build.webkit.org/#/builders/26/builds/10044 Upon investigation this is because the tooling is marking the test as failing if it prints something in stderr, and in this case this mesa warnings are causing that. 2157236 1 clopez 2025-11-07 05:12:29 -0800 Pull request: https://github.com/WebKit/WebKit/pull/53586 2157260 2 ews-feeder 2025-11-07 08:29:24 -0800 Committed 302728@main (e7d54af3a41e): <https://commits.webkit.org/302728@main> Reviewed commits have been landed. Closing PR #53586 and removing active labels. 2157261 3 webkit-bug-importer 2025-11-07 08:30:13 -0800 <rdar://problem/164258165> 2217770 4 clopez 2026-06-04 15:40:50 -0700 This started to happen again, likely due to a gstreamer update in the SDK. error: Animation/balls.html 0:00:00.059772959 1573847 1573847 ERROR msdkcontext gstmsdkcontext.c:186:gst_msdk_context_use_vaapi: Couldn't create a VA DRM display FAILED Finished: 7.989730 s https://build.webkit.org/#/builders/26/builds/11471 All tests failing due to this 2217777 5 clopez 2026-06-04 15:50:12 -0700 Re-opening for pull request https://github.com/WebKit/WebKit/pull/66498 2217781 6 ews-feeder 2026-06-04 15:55:27 -0700 Committed 314587@main (9c9d351673e2): <https://commits.webkit.org/314587@main> Reviewed commits have been landed. Closing PR #66498 and removing active labels.