[Webkit-unassigned] [Bug 137159] webkit nightly crashig on startup cannot use

Mon Sep 29 00:34:17 PDT 2014

https://bugs.webkit.org/show_bug.cgi?id=137159

Alexey Proskuryakov <ap at webkit.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|New Bugs                    |JavaScriptCore
                 CC|                            |fpizlo at apple.com,
                   |                            |ggaren at apple.com,
                   |                            |jberlin at webkit.org

--- Comment #6 from Alexey Proskuryakov <ap at webkit.org>  2014-09-29 00:34:13 PST ---
Thank you! We've got another report of similar behavior (bug 137196), and it sounds like this happens when AdBlock is installed. Could you please try disabling extensions to see if that helps?

Stack trace of a frozen main thread:

30 JSC::HeapTimer::timerDidFire(__CFRunLoopTimer*, void*) + 169 (JavaScriptCore) [0x1089cad09]
  30 JSC::GCActivityCallback::doWork() + 135 (JavaScriptCore) [0x10880ae77]
    30 JSC::Heap::collect(JSC::HeapOperation) + 359 (JavaScriptCore) [0x1089c6727]
      30 JSC::Heap::suspendCompilerThreads() + 70 (JavaScriptCore) [0x1089c6a26]
        30 JSC::DFG::Worklist::suspendAllThreads() + 83 (JavaScriptCore) [0x108958433]
          30 __psynch_mutexwait + 10 (libsystem_kernel.dylib) [0x7fff96751746]
           *30 psynch_mtxcontinue + 0 (pthread) [0xffffff7f80b51a3b]

And another thread is doing this, somehow trying an failing to crash, it seems:

  30 JSC::FTL::LowerDFGToLLVM::compileNode(unsigned int) + 919 (JavaScriptCore) [0x10897d007]
    30 JSC::FTL::LowerDFGToLLVM::compileCallOrConstruct() + 3330 (JavaScriptCore) [0x1089946d2]
      30 JSC::FTL::LowerDFGToLLVM::lowJSValue(JSC::DFG::Edge, JSC::DFG::OperandSpeculationMode) + 749 (JavaScriptCore) [0x10899c26d]
        30 JSC::DFG::Graph::handleAssertionFailure(JSC::DFG::Node*, char const*, int, char const*, char const*) + 482 (JavaScriptCore) [0x10889f6c2]
          30 WTFCrash + 62 (JavaScriptCore) [0x108c26f8e]

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