Hello Jakob, Thank you for the quick response. Can you please help me fetch the latest *stable* release? (I can't seem to find the instructions in the V8 docs)
D. On Wednesday, February 10, 2016 at 11:36:41 AM UTC+2, Jakob Kummerow wrote: > > Version "3.31" doesn't really exist. Yes we once created a branch of that > name, but it was abandoned right after because it was in such a bad state > that we gave up trying to stabilize it. It was never used in a Chrome > stable channel release, which would have been your hint that it's ready for > production. > > I'd guess that your string has nothing to do with the failure, it just so > happens to be the allocation that triggers a GC round. Somehow spinning up > the sweeper threads fails. If this were happening on the 4.8 or 4.9 branch, > I'd investigate further... ;-) > > On Wed, Feb 10, 2016 at 9:59 AM, Danny Dorfman <wilder...@gmail.com > <javascript:>> wrote: > >> Hello there, >> >> I am running with V8 3.31, the debug version, and I get this crash upon >> allocating a large string: >> >> #0 0x00007f0a6b0efb4b in v8::base::OS::Abort () at >> ../src/base/platform/platform-posix.cc:210 >> 210 if (g_hard_abort) { >> (gdb) bt >> #0 0x00007f0a6b0efb4b in v8::base::OS::Abort () at >> ../src/base/platform/platform-posix.cc:210 >> #1 0x00007f0a6b0ec208 in V8_Fatal (file=0x7f0a6b3c0c28 >> ".././src/base/platform/mutex.h", line=77, format=0x7f0a6b0f0e38 >> "CHECK_EQ(%s, %s) failed\n# Expected: %i\n# Found: %i") at >> ../src/base/logging.cc:87 >> #2 0x00007f0a6aaa1b12 in CheckEqualsHelper (file=0x7f0a6b3c0c28 >> ".././src/base/platform/mutex.h", line=77, expected_source=0x7f0a6b3c0c26 >> "1", expected=1, value_source=0x7f0a6b3c0c1f "level_", value=2) at >> .././src/base/logging.h:51 >> #3 0x00007f0a6b0ed084 in v8::base::Mutex::AssertHeldAndUnmark >> (this=0x7f0ad84971a0) at .././src/base/platform/mutex.h:77 >> #4 0x00007f0a6b0ed934 in v8::base::Mutex::Unlock (this=0x7f0ad84971a0) >> at ../src/base/platform/mutex.cc:134 >> #5 0x00007f0a6ad57df2 in >> v8::internal::MarkCompactCollector::StartSweeperThreads >> (this=0x7f0ad872ac68) at ../src/heap/mark-compact.cc:461 >> #6 0x00007f0a6ad625a2 in v8::internal::MarkCompactCollector::SweepSpaces >> (this=0x7f0ad872ac68) at ../src/heap/mark-compact.cc:4134 >> #7 0x00007f0a6ad573de in >> v8::internal::MarkCompactCollector::CollectGarbage (this=0x7f0ad872ac68) at >> ../src/heap/mark-compact.cc:313 >> #8 0x00007f0a6ad297ad in v8::internal::Heap::MarkCompact >> (this=0x7f0ad8725d80) at ../src/heap/heap.cc:1205 >> #9 0x00007f0a6ad29182 in v8::internal::Heap::PerformGarbageCollection >> (this=0x7f0ad8725d80, collector=v8::internal::MARK_COMPACTOR, >> gc_callback_flags=v8::kNoGCCallbackFlags) at ../src/heap/heap.cc:1095 >> #10 0x00007f0a6ad2851c in v8::internal::Heap::CollectGarbage >> (this=0x7f0ad8725d80, collector=v8::internal::MARK_COMPACTOR, >> gc_reason=0x7f0a6b166db4 "last resort gc", collector_reason=0x0, >> gc_callback_flags=v8::kNoGCCallbackFlags) at ./src/heap/heap.cc:843 >> #11 0x00007f0a6ad2819c in v8::internal::Heap::CollectAllAvailableGarbage >> (this=0x7f0ad8725d80, gc_reason=0x7f0a6b166db4 "last resort gc") at >> ../src/heap/heap.cc:762 >> #12 0x00007f0a6acc31ed in v8::internal::Factory::NewRawTwoByteString >> (this=0x7f0ad8725d60, length=431158, pretenure=v8::internal::NOT_TENURED) >> at ../src/factory.cc:385 >> #13 0x00007f0a6acc0ff0 in v8::internal::Factory::NewStringFromUtf8 >> (this=0x7f0ad8725d60, string=..., pretenure=v8::internal::NOT_TENURED) at >> ../src/factory.cc:247 >> #14 0x00007f0a6aada0fa in v8::(anonymous namespace)::NewString >> (factory=0x7f0ad8725d60, type=v8::String::kNormalString, string=...) at >> ../src/api.cc:5452 >> #15 0x00007f0a6aaeaad6 in v8::(anonymous namespace)::NewString<char> >> (v8_isolate=0x7f0ad8725d60, location=0x7f0a6b0f8ed4 >> "v8::String::NewFromUtf8()", env=0x7f0a6b0f8ec0 "String::NewFromUtf8", >> data=0x7f0ad853f660 '/' <repeats 74 times>, "\n// xxxxxxxxx \n// ", '-' >> <repeats 75 times>, "\n\n//"..., type=v8::String::kNormalString, >> length=431185) at ../src/api.cc:5496 >> #16 0x00007f0a6aada20b in v8::String::NewFromUtf8 >> (isolate=0x7f0ad8725d60, data=0x7f0ad853f660 '/' <repeats 74 times>, >> "\n// xxxxxxxxx \n// ", '-' <repeats 75 times>, "\n\n//"..., >> type=v8::String::kNormalString, length=431185) at ../src/api.cc:5515 >> - - - - - - >> >> My code appears in the next frame, and says something like: >> v8::Local<v8::String> vSource = v8::String::NewFromUtf8(isolate, src, >> v8::String::kNormalString, len); >> >> As you can see, the string is quite large (431185 bytes long). Any idea >> why this is happening? What can I do about this? >> >> Regards, >> Danny >> >> >> -- >> -- >> v8-users mailing list >> v8-u...@googlegroups.com <javascript:> >> 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 v8-users+u...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- -- v8-users mailing list v8-users@googlegroups.com 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 v8-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.