crash log for gpu (pid <unknown>):
STDOUT: #CRASHED - gpu
STDERR: [11338:35587:0320/234100.983263:1318701322428:WARNING:url_request_job_manager.cc(90)] Failed to map: layout-test-mojom://content/shell/renderer/layout_test/frame_interface_registry
STDERR: [11338:35587:0320/234100.983366:1318701423492:WARNING:url_request_job_manager.cc(90)] Failed to map: layout-test-mojom://content/shell/renderer/layout_test/interface_registry
STDERR: [11340:775:0320/234100.985945:1318704003714:ERROR:mojo_context_state.cc(199)] Failed to fetch source for module "content/shell/renderer/layout_test/frame_interface_registry"
STDERR: [11340:775:0320/234100.985998:1318704053379:ERROR:mojo_context_state.cc(199)] Failed to fetch source for module "content/shell/renderer/layout_test/interface_registry"
STDERR: Received signal 11 SEGV_MAPERR 000000000000
STDERR:  [0x00010a2c0edc]
STDERR:  [0x00010a2c0dd1]
STDERR:  [0x7fff9513152a]
STDERR:  [0x000000000000]
STDERR:  [0x7fff9dda1d51]
STDERR:  [0x7fff9dc500f9]
STDERR:  [0x7fff9dc4b589]
STDERR:  [0x7fff9dc4b2ba]
STDERR:  [0x7fff9dc4aed5]
STDERR:  [0x7fff9c30040b]
STDERR:  [0x7fff9c300303]
STDERR:  [0x7fff9dc4aeb4]
STDERR:  [0x7fff9dd9773d]
STDERR:  [0x7fff9dc7d8fe]
STDERR:  [0x0001097e3fe1]
STDERR:  [0x0001097e3dfd]
STDERR:  [0x000109652fcd]
STDERR:  [0x0001096535ce]
STDERR:  [0x00010b25586d]
STDERR:  [0x0001091c93c8]
STDERR:  [0x00010a4e6529]
STDERR:  [0x00010a4e6019]
STDERR:  [0x00010a4dffb9]
STDERR:  [0x00010a4e0391]
STDERR:  [0x00010a4ee032]
STDERR:  [0x00010a2c1700]
STDERR:  [0x00010a2e3adb]
STDERR:  [0x00010a2e3e2c]
STDERR:  [0x00010a2e41f3]
STDERR:  [0x00010a2e764a]
STDERR:  [0x00010a2d942a]
STDERR:  [0x00010a2e7074]
STDERR:  [0x7fff99893881]
STDERR:  [0x7fff99872fbc]
STDERR:  [0x7fff998724df]
STDERR:  [0x7fff99871ed8]
STDERR:  [0x00010a2e7a0f]
STDERR:  [0x00010a2e74ac]
STDERR:  [0x00010a2e37ae]
STDERR:  [0x00010a301323]
STDERR:  [0x00010b88f87d]
STDERR:  [0x000109315ef0]
STDERR:  [0x0001093150d9]
STDERR:  [0x000109017eba]
STDERR:  [0x7fff9ace95ad]
STDERR: [end of stack trace]