114129 2013-04-07 12:51:44 -0700 REGRESSION(r146669): Assertion hit in JSC::DFG::SpeculativeJIT::fillSpeculateCell() running webgl tests 2013-04-08 10:47:10 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 cdumez fpizlo fpizlo ggaren msaboff oliver oldest_to_newest 870510 0 cdumez 2013-04-07 12:51:44 -0700 The following test cases are hitting an assertion on the EFL build bots: webgl/conformance/textures/tex-image-with-format-and-type.html fast/canvas/webgl/tex-image-with-format-and-type.html crash log for WebProcess (pid <unknown>): STDOUT: <empty> STDERR: ASSERTION FAILED: (edge.useKind() != KnownCellUse && edge.useKind() != KnownStringUse) || !(value.m_type & ~SpecCell) STDERR: /home/buildslave-1/webkit-buildslave/efl-linux-64-debug-wk2/build/Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp(1128) : JSC::DFG::GPRReg JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) STDERR: 1 0x7f223d4a178c JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) STDERR: 2 0x7f223d48ef80 JSC::DFG::SpeculateCellOperand::gpr() STDERR: 3 0x7f223d4b1a9c JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) STDERR: 4 0x7f223d4789b7 JSC::DFG::SpeculativeJIT::compile(JSC::DFG::BasicBlock&) STDERR: 5 0x7f223d47911f JSC::DFG::SpeculativeJIT::compile() STDERR: 6 0x7f223d445a4c JSC::DFG::JITCompiler::compileBody(JSC::DFG::SpeculativeJIT&) STDERR: 7 0x7f223d446c79 JSC::DFG::JITCompiler::compileFunction(JSC::JITCode&, JSC::MacroAssemblerCodePtr&) STDERR: 8 0x7f223d433770 JSC::DFG::compile(JSC::DFG::CompileMode, JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr*, unsigned int) STDERR: 9 0x7f223d432ff4 JSC::DFG::tryCompileFunction(JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, unsigned int) STDERR: 10 0x7f223d5f5baf JSC::jitCompileFunctionIfAppropriate(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::JITCompilationEffort) STDERR: 11 0x7f223d5f5ea4 JSC::prepareFunctionForExecution(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::CodeSpecializationKind) STDERR: 12 0x7f223d5f4354 JSC::FunctionExecutable::compileForConstructInternal(JSC::ExecState*, JSC::JSScope*, JSC::JITCode::JITType, unsigned int) STDERR: 13 0x7f223d5f39ab JSC::FunctionExecutable::compileOptimizedForConstruct(JSC::ExecState*, JSC::JSScope*, unsigned int) STDERR: 14 0x7f223d343da7 JSC::FunctionExecutable::compileOptimizedFor(JSC::ExecState*, JSC::JSScope*, unsigned int, JSC::CodeSpecializationKind) STDERR: 15 0x7f223d33dcd2 JSC::FunctionCodeBlock::compileOptimized(JSC::ExecState*, JSC::JSScope*, unsigned int) STDERR: 16 0x7f223d5486b9 STDERR: 17 0x7f223d5456c7 STDERR: 18 0x7f20e3bf0060 870526 1 ggaren 2013-04-07 13:27:20 -0700 Christophe, do you know when this started? 870536 2 cdumez 2013-04-07 13:46:05 -0700 Started between r146663 and r146670. http://trac.webkit.org/changeset/146669 seems like the most likely culprit. 870545 3 ggaren 2013-04-07 14:12:44 -0700 <rdar://problem/13594898> 870814 4 fpizlo 2013-04-08 09:44:00 -0700 (In reply to comment #0) > The following test cases are hitting an assertion on the EFL build bots: > webgl/conformance/textures/tex-image-with-format-and-type.html > fast/canvas/webgl/tex-image-with-format-and-type.html > > crash log for WebProcess (pid <unknown>): > STDOUT: <empty> > STDERR: ASSERTION FAILED: (edge.useKind() != KnownCellUse && edge.useKind() != KnownStringUse) || !(value.m_type & ~SpecCell) > STDERR: /home/buildslave-1/webkit-buildslave/efl-linux-64-debug-wk2/build/Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp(1128) : JSC::DFG::GPRReg JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) > STDERR: 1 0x7f223d4a178c JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) > STDERR: 2 0x7f223d48ef80 JSC::DFG::SpeculateCellOperand::gpr() > STDERR: 3 0x7f223d4b1a9c JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) > STDERR: 4 0x7f223d4789b7 JSC::DFG::SpeculativeJIT::compile(JSC::DFG::BasicBlock&) > STDERR: 5 0x7f223d47911f JSC::DFG::SpeculativeJIT::compile() > STDERR: 6 0x7f223d445a4c JSC::DFG::JITCompiler::compileBody(JSC::DFG::SpeculativeJIT&) Can you tell me what line you're at in this frame? > STDERR: 7 0x7f223d446c79 JSC::DFG::JITCompiler::compileFunction(JSC::JITCode&, JSC::MacroAssemblerCodePtr&) > STDERR: 8 0x7f223d433770 JSC::DFG::compile(JSC::DFG::CompileMode, JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr*, unsigned int) > STDERR: 9 0x7f223d432ff4 JSC::DFG::tryCompileFunction(JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, unsigned int) > STDERR: 10 0x7f223d5f5baf JSC::jitCompileFunctionIfAppropriate(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::JITCompilationEffort) > STDERR: 11 0x7f223d5f5ea4 JSC::prepareFunctionForExecution(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::CodeSpecializationKind) > STDERR: 12 0x7f223d5f4354 JSC::FunctionExecutable::compileForConstructInternal(JSC::ExecState*, JSC::JSScope*, JSC::JITCode::JITType, unsigned int) > STDERR: 13 0x7f223d5f39ab JSC::FunctionExecutable::compileOptimizedForConstruct(JSC::ExecState*, JSC::JSScope*, unsigned int) > STDERR: 14 0x7f223d343da7 JSC::FunctionExecutable::compileOptimizedFor(JSC::ExecState*, JSC::JSScope*, unsigned int, JSC::CodeSpecializationKind) > STDERR: 15 0x7f223d33dcd2 JSC::FunctionCodeBlock::compileOptimized(JSC::ExecState*, JSC::JSScope*, unsigned int) > STDERR: 16 0x7f223d5486b9 > STDERR: 17 0x7f223d5456c7 > STDERR: 18 0x7f20e3bf0060 870825 5 fpizlo 2013-04-08 09:58:54 -0700 (In reply to comment #4) > (In reply to comment #0) > > The following test cases are hitting an assertion on the EFL build bots: > > webgl/conformance/textures/tex-image-with-format-and-type.html > > fast/canvas/webgl/tex-image-with-format-and-type.html > > > > crash log for WebProcess (pid <unknown>): > > STDOUT: <empty> > > STDERR: ASSERTION FAILED: (edge.useKind() != KnownCellUse && edge.useKind() != KnownStringUse) || !(value.m_type & ~SpecCell) > > STDERR: /home/buildslave-1/webkit-buildslave/efl-linux-64-debug-wk2/build/Source/JavaScriptCore/dfg/DFGSpeculativeJIT64.cpp(1128) : JSC::DFG::GPRReg JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) > > STDERR: 1 0x7f223d4a178c JSC::DFG::SpeculativeJIT::fillSpeculateCell(JSC::DFG::Edge) > > STDERR: 2 0x7f223d48ef80 JSC::DFG::SpeculateCellOperand::gpr() > > STDERR: 3 0x7f223d4b1a9c JSC::DFG::SpeculativeJIT::compile(JSC::DFG::Node*) > > STDERR: 4 0x7f223d4789b7 JSC::DFG::SpeculativeJIT::compile(JSC::DFG::BasicBlock&) > > STDERR: 5 0x7f223d47911f JSC::DFG::SpeculativeJIT::compile() > > STDERR: 6 0x7f223d445a4c JSC::DFG::JITCompiler::compileBody(JSC::DFG::SpeculativeJIT&) > > Can you tell me what line you're at in this frame? Never mind, I can repro this! Working on fix... > > > STDERR: 7 0x7f223d446c79 JSC::DFG::JITCompiler::compileFunction(JSC::JITCode&, JSC::MacroAssemblerCodePtr&) > > STDERR: 8 0x7f223d433770 JSC::DFG::compile(JSC::DFG::CompileMode, JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr*, unsigned int) > > STDERR: 9 0x7f223d432ff4 JSC::DFG::tryCompileFunction(JSC::ExecState*, JSC::CodeBlock*, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, unsigned int) > > STDERR: 10 0x7f223d5f5baf JSC::jitCompileFunctionIfAppropriate(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::JITCompilationEffort) > > STDERR: 11 0x7f223d5f5ea4 JSC::prepareFunctionForExecution(JSC::ExecState*, WTF::OwnPtr<JSC::FunctionCodeBlock>&, JSC::JITCode&, JSC::MacroAssemblerCodePtr&, JSC::JITCode::JITType, unsigned int, JSC::CodeSpecializationKind) > > STDERR: 12 0x7f223d5f4354 JSC::FunctionExecutable::compileForConstructInternal(JSC::ExecState*, JSC::JSScope*, JSC::JITCode::JITType, unsigned int) > > STDERR: 13 0x7f223d5f39ab JSC::FunctionExecutable::compileOptimizedForConstruct(JSC::ExecState*, JSC::JSScope*, unsigned int) > > STDERR: 14 0x7f223d343da7 JSC::FunctionExecutable::compileOptimizedFor(JSC::ExecState*, JSC::JSScope*, unsigned int, JSC::CodeSpecializationKind) > > STDERR: 15 0x7f223d33dcd2 JSC::FunctionCodeBlock::compileOptimized(JSC::ExecState*, JSC::JSScope*, unsigned int) > > STDERR: 16 0x7f223d5486b9 > > STDERR: 17 0x7f223d5456c7 > > STDERR: 18 0x7f20e3bf0060 870833 6 fpizlo 2013-04-08 10:15:12 -0700 Sadly those tests were skipped and so we missed this on Mac. I will unskip because they are passing now. 870836 7 196868 fpizlo 2013-04-08 10:19:38 -0700 Created attachment 196868 the patch 870868 8 fpizlo 2013-04-08 10:47:10 -0700 Landed in http://trac.webkit.org/changeset/147933 196868 2013-04-08 10:19:38 -0700 2013-04-08 10:20:23 -0700 the patch blah.patch text/plain 4795 fpizlo SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gMTQ3OTIzKQorKysgU291cmNl L0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE4IEBA CisyMDEzLTA0LTA4ICBGaWxpcCBQaXpsbyAgPGZwaXpsb0BhcHBsZS5jb20+CisKKyAgICAgICAg UkVHUkVTU0lPTihyMTQ2NjY5KTogQXNzZXJ0aW9uIGhpdCBpbiBKU0M6OkRGRzo6U3BlY3VsYXRp dmVKSVQ6OmZpbGxTcGVjdWxhdGVDZWxsKCkgcnVubmluZyB3ZWJnbCB0ZXN0cworICAgICAgICBo dHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTE0MTI5CisgICAgICAgIDxy 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