[Webkit-unassigned] [Bug 219838] New: Web process crashes during MotionMark Images when GPU Process for DOM is enabled

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219838

            Bug ID: 219838
           Summary: Web process crashes during MotionMark Images when GPU
                    Process for DOM is enabled
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit2
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wenson_hsieh at apple.com

Another crash due to backend creation failure:

Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [2237]
Triggered by Thread:  0

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   WebKit                              0x000000010352857c WebKit::ImageBufferShareableIOSurfaceBackend::createImageBufferBackendHandle() const + 24
1   WebKit                              0x0000000103206474 WebKit::RemoteLayerBackingStore::encode(IPC::Encoder&) const + 316
2   WebKit                              0x0000000103206474 WebKit::RemoteLayerBackingStore::encode(IPC::Encoder&) const + 316
3   WebKit                              0x000000010320a050 WebKit::RemoteLayerTreeTransaction::LayerProperties::encode(IPC::Encoder&) const + 1184
4   WebKit                              0x000000010320ac84 WebKit::RemoteLayerTreeTransaction::encode(IPC::Encoder&) const + 164
5   WebKit                              0x000000010308fee4 WebKit::RemoteLayerTreeDrawingArea::updateRendering() + 552
6   WebCore                             0x00000001091d42e4 WebCore::ThreadTimers::sharedTimerFiredInternal() + 224
7   WebCore                             0x00000001091faa34 WebCore::timerFired(__CFRunLoopTimer*, void*) + 32
8   CoreFoundation                      0x00000001a782734c __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ + 32
9   CoreFoundation                      0x00000001a7826f48 __CFRunLoopDoTimer + 1076
10  CoreFoundation                      0x00000001a7826398 __CFRunLoopDoTimers + 328
11  CoreFoundation                      0x00000001a782014c __CFRunLoopRun + 1944
12  CoreFoundation                      0x00000001a781f480 CFRunLoopRunSpecific + 600
13  Foundation                          0x00000001a8ceccac -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 232
14  Foundation                          0x00000001a8d203b8 -[NSRunLoop(NSRunLoop) run] + 92
15  libxpc.dylib                        0x00000001f560e2cc _xpc_objc_main + 688
16  libxpc.dylib                        0x00000001f56105e8 xpc_main + 180
17  WebKit                              0x00000001031ce0b4 WebKit::XPCServiceMain(int, char const**) + 124
18  libdyld.dylib                       0x00000001a74dd38c start + 4

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