Bug 288264 – REGRESSION(290757@main?)[macOS Debug]: ASSERTION FAILED: ProcessCapabilities::canUseAcceleratedBuffers() in pdf tests (failure in EWS)

• Component: New Bugs
• Status: RESOLVED FIXED

[Marta Darbinyan]

Multiple tests are failing with assertion errors. 

accessibility/mac/iframe-relative-frame.html
accessibility/mac/basic-embed-pdf-accessibility.html
accessibility/mac/iframe-pdf.html
accessibility/mac/scrolling-in-pdf-crash.html
http/tests/pdf/linearized-pdf-in-iframe.html
pdf/annotations/checkbox-set-active.html
pdf/annotations/dropdown-select-second-option.html
pdf/annotations/radio-buttons-select-second.html
pdf/fullscreen.html
pdf/pdf-in-iframe-with-text-annotation.html


Suspecting change is 290757@main within the range of first failed and last passed test. 

Error logs:
CoreGraphics PDF has logged an error. Set environment variable "CG_PDF_VERBOSE" to learn more.
2025-02-21 15:10:22.586 WebKitTestRunner[71265:28815109] +[IMKClient subclass]: chose IMKClient_Modern
ASSERTION FAILED: ProcessCapabilities::canUseAcceleratedBuffers()
/Volumes/Data/worker/macOS-Sequoia-Debug-WK2-Tests-EWS/build/Source/WebCore/platform/graphics/cocoa/IOSurface.mm(87) : static std::unique_ptr<IOSurface> WebCore::IOSurface::create(IOSurfacePool *, IntSize, const DestinationColorSpace &, IOSurface::Name, Format)
1   0x302cf6570 WebCore::IOSurface::create(WebCore::IOSurfacePool*, WebCore::IntSize, WebCore::DestinationColorSpace const&, WebCore::IOSurface::Name, WebCore::IOSurface::Format)
2   0x1196cd238 WebKit::ImageBufferShareableMappedIOSurfaceBackend::create(WebCore::ImageBufferBackendParameters const&, WebCore::ImageBufferCreationContext const&)
3   0x11752e788 WTF::RefPtr<WebCore::ImageBuffer, WTF::RawPtrTraits<WebCore::ImageBuffer>, WTF::DefaultRefDerefTraits<WebCore::ImageBuffer>> WebCore::ImageBuffer::create<WebKit::ImageBufferShareableMappedIOSurfaceBackend, WebCore::ImageBuffer>(WebCore::FloatSize const&, float, WebCore::DestinationColorSpace const&, WebCore::ImageBufferPixelFormat, WebCore::RenderingPurpose, WebCore::ImageBufferCreationContext const&)
4   0x117523414 WTF::RefPtr<WebCore::ImageBuffer, WTF::RawPtrTraits<WebCore::ImageBuffer>, WTF::DefaultRefDerefTraits<WebCore::ImageBuffer>> WebKit::allocateBufferInternal<WebCore::ImageBuffer>(WebKit::RemoteLayerBackingStore::Type, WebCore::FloatSize const&, WebCore::RenderingPurpose, float, WebCore::DestinationColorSpace const&, WebCore::ImageBufferPixelFormat, WebCore::ImageBufferCreationContext&)
5   0x117523290 WebKit::RemoteLayerWithInProcessRenderingBackingStore::allocateBuffer()
6   0x117523524 WebKit::RemoteLayerWithInProcessRenderingBackingStore::ensureFrontBuffer()
7   0x1175239a0 WebKit::RemoteLayerWithInProcessRenderingBackingStore::prepareToDisplay()
8   0x1174b13a8 WebKit::RemoteLayerBackingStoreCollection::prepareBackingStoresForDisplay(WebKit::RemoteLayerTreeTransaction&)
9   0x118b9221c WebKit::RemoteLayerTreeContext::buildTransaction(WebKit::RemoteLayerTreeTransaction&, WebCore::PlatformCALayer&, WebCore::ProcessQualified<WTF::ObjectIdentifierGeneric<WebCore::FrameIdentifierType, WTF::ObjectIdentifierMainThreadAccessTraits<unsigned long long>, unsigned long long>>)
10  0x1169cc048 

Test results:
https://ews-build.s3-us-west-2.amazonaws.com/macOS-Sequoia-Debug-WK2-Tests-EWS/1d5fb7f3-13428-clean-tree/results.html#

History Link:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Ffile-system-access%2FgetDirectory.https.any.worker.html&test=imported%2Fw3c%2Fweb-platform-tests%2Ffile-system-access%2FgetDirectory.https.any.sharedworker.html&test=accessibility%2Fmac%2Fbasic-embed-pdf-accessibility.html&test=accessibility%2Fmac%2Fscrolling-in-pdf-crash.html&test=http%2Ftests%2Fcache%2Fdisk-cache%2Fshattered-deduplication.html&test=http%2Ftests%2Fpdf%2Flinearized-pdf-in-iframe.html&test=pdf%2Fannotations%2Fcheckbox-set-active.html&test=pdf%2Fannotations%2Fdropdown-select-second-option.html&test=pdf%2Fannotations%2Fradio-buttons-select-second.html&test=pdf%2Ffullscreen.html&test=pdf%2Fpdf-in-iframe-with-text-annotation.html&style=debug

[Radar WebKit Bug Importer]

<rdar://problem/145334282>

[Abrar Rahman Protyasha]

Pull request: https://github.com/WebKit/WebKit/pull/41120

[EWS]

Committed 290841@main (dfb8e11413ac): <https://commits.webkit.org/290841@main>

Reviewed commits have been landed. Closing PR #41120 and removing active labels.