Were you able to solve this? I'm seeing the same. On Thursday, March 7, 2013 at 5:39:15 AM UTC-8, Damien Gleizes wrote: > > Hi all, > > I am trying to work with the profiler API but I get an unexpected crash: I > am probably doing something wrong but I can't figure what.. any help or > hints would be appreciated! > From the main thread I create an isolate and a context. Another thread is > started that enters the created isolate and context, and then > compiles/executes a script. > I have my own locking system that prevent using one isolate from > differents threads at same time (before entering v8, or starting the > profiler). I also tried to switch to v8::lockers but I have the same issue. > > If I start the CpuProfiler from the main thread before starting my > execution thread, I get an internal v8 crash from the v8::CpuProfiler > thread while it iterates the stackframe. > > Here is the stack where the crash occurs: > > v8.dll!v8::internal::StandardFrame::IsArgumentsAdaptorFrame(unsigned char > * fp) Line 186 + 0xe bytes C++ > v8.dll!v8::internal::StackFrame::ComputeType(v8::internal::Isolate * > isolate, v8::internal::StackFrame::State * state) Line 443 + 0xe bytes > C++ > v8.dll!v8::internal::StackFrame::GetCallerState(v8::internal::StackFrame::State > > * state) Line 469 C++ > > v8.dll!v8::internal::SafeStackFrameIterator::IsValidCaller(v8::internal::StackFrame > > * frame) Line 353 + 0x41 bytes C++ > v8.dll!v8::internal::SafeStackFrameIterator::Advance() Line 306 + 0x4c > bytes C++ > > v8.dll!v8::internal::JavaScriptFrameIteratorTemp<v8::internal::SafeStackFrameIterator>::Advance() > > Line 308 C++ > > v8.dll!v8::internal::JavaScriptFrameIteratorTemp<v8::internal::SafeStackFrameIterator>::JavaScriptFrameIteratorTemp<v8::internal::SafeStackFrameIterator>(v8::internal::Isolate > > * isolate, unsigned char * fp, unsigned char * sp, unsigned char * > low_bound, unsigned char * high_bound) Line 829 + 0x1b bytes C++ > > v8.dll!v8::internal::SafeStackTraceFrameIterator::SafeStackTraceFrameIterator(v8::internal::Isolate > > * isolate, unsigned char * fp, unsigned char * sp, unsigned char * > low_bound, unsigned char * high_bound) Line 371 + 0x4e bytes C++ > v8.dll!v8::internal::StackTracer::Trace(v8::internal::Isolate * isolate, > v8::internal::TickSample * sample) Line 143 + 0x48 bytes C++ > v8.dll!v8::internal::Ticker::DoSampleStack(v8::internal::TickSample * > sample) Line 185 C++ > v8.dll!v8::internal::Sampler::SampleStack(v8::internal::TickSample * > sample) Line 756 C++ > v8.dll!v8::internal::SamplerThread::SampleContext(v8::internal::Sampler * > sampler) Line 2080 C++ > v8.dll!v8::internal::SamplerThread::DoCpuProfile(v8::internal::Sampler * > sampler, void * raw_sampler_thread) Line 2050 C++ > v8.dll!v8::internal::SamplerRegistry::IterateActiveSamplers(void > (v8::internal::Sampler *, void *)* func, void * param) Line 1785 C++ > v8.dll!v8::internal::SamplerThread::Run() Line 2037 C++ > v8.dll!v8::internal::ThreadEntry(void * arg) Line 1602 C++ > > > While the execution thread stack is: > > v8.dll!v8::internal::ExitFrame::FillState(unsigned char * fp, unsigned > char * sp, v8::internal::StackFrame::State * state) Line 565 + 0x1 bytes > C++ > v8.dll!v8::internal::ExitFrame::GetStateForFramePointer(unsigned char * > fp, v8::internal::StackFrame::State * state) Line 556 C++ > v8.dll!v8::internal::StackFrameIterator::Reset() Line 168 + 0x1e bytes > C++ > v8.dll!v8::internal::StackFrameIterator::StackFrameIterator() Line 97 + > 0xa bytes C++ > v8.dll!v8::internal::IC::IC(v8::internal::IC::FrameDepth depth, > v8::internal::Isolate * isolate) Line 131 + 0xa bytes C++ > v8.dll!v8::internal::LoadIC::LoadIC(v8::internal::IC::FrameDepth depth, > v8::internal::Isolate * isolate) Line 345 + 0x2e bytes C++ > v8.dll!v8::internal::LoadIC_Miss(v8::internal::Arguments args, > v8::internal::Isolate * isolate) Line 1870 + 0x14 bytes C++ > ... > > > Any idea on how to debug the issue? > Thanks > > >
-- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
