Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-58117

Hung eating CPU in QtWebEngineCore around malloc

    XMLWordPrintable

Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • 5.7.1
    • 5.6.0
    • WebEngine
    • None
    • macOS 10.12
    • 7bc32104660dd9b5dfa9920a288797a7c2790559

    Description

      I see a strange macOS stacktrace showing the application is likely to stuck (or event loop) around allocating memory. The application itself only consumes CPU and does nothing.

      147 Thread_27977206
    + 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]  content::BrowserMainRunnerImpl::Shutdown() calling content::BrowserMainLoop::ShutdownThreadsAndCleanUp
    +   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d] content::BrowserMainLoop::ShutdownThreadsAndCleanUp():
    +     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]  QtWebEngineCore::BrowserMainPartsQt::PostMainMessageLoopRun() calling WebEngineContext::~WebEngineContext()
    +       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49] WebEngineContext::~WebEngineContext() 
    +         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217] content::BrowserMainRunnerImpl::~BrowserMainRunnerImpl():calling content::BrowserMainRunnerImpl::Shutdown()
    +           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636] content::BrowserMainRunnerImpl::Shutdown() calling content::BrowserMainLoop::ShutdownThreadsAndCleanUp()
    +             1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d] content::BrowserMainLoop::ShutdownThreadsAndCleanUp():
    +               1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]   QtWebEngineCore::BrowserMainPartsQt::PostMainMessageLoopRun() calling WebEngineContext::~WebEngineContext()
    +                 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]   WebEngineContext::~WebEngineContext() 
    +                   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]   content::BrowserMainRunnerImpl::~BrowserMainRunnerImpl():calling content::BrowserMainRunnerImpl::Shutdown()
    +                     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]   content::BrowserMainRunnerImpl::Shutdown() calling content::BrowserMainLoop::ShutdownThreadsAndCleanUp()
    +                       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]  content::BrowserMainLoop::ShutdownThreadsAndCleanUp():
    +                         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]    QtWebEngineCore::BrowserMainPartsQt::PostMainMessageLoopRun() calling WebEngineContext::~WebEngineContext()
    +                           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]     WebEngineContext::~WebEngineContext() 
    +                             1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]      .....
    +                               1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]      .... and so on repeating
    +                                 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]
    +                                           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                             1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                               1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                                 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                                   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]
    +                                                     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                                       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                                         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                                           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                                             1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]
    +                                                               1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                                                 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                                                   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                                                     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                                                       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]
    +                                                                         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                                                           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                                                             1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                                                               1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                                                                 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636]
    +                                                                                   1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d17d  [0x10f47017d]
    +                                                                                     1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x1723d  [0x10de3a23d]
    +                                                                                       1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x46c49  [0x10de69c49]
    +                                                                                         1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f217  [0x10f472217]
    +                                                                                           1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164f636  [0x10f472636] content::BrowserMainRunnerImpl::Shutdown() calling content::BrowserMainLoop::ShutdownThreadsAndCleanUp()

.... wraparound
      + 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x164d0b5  [0x10f4700b5] content::BrowserMainLoop::ShutdownThreadsAndCleanUp() calling operator new(unsigned long)
       + 1147 operator new(unsigned long)  (in libc++abi.dylib) + 30  [0x7fffc6de5e2e]
        + 1147 malloc  (in libsystem_malloc.dylib) + 24  [0x7fffc8353258]
         + 1147 malloc_zone_malloc  (in libsystem_malloc.dylib) + 107  [0x7fffc83542da]
          + 1147 ???  (in QtWebEngineCore)  load address 0x10de23000 + 0x970b70  [0x10e793b70] base::(anonymous namespace)::oom_killer_malloc(_malloc_zone_t*, unsigned long): calling *base::(anonymous namespace)::g_old_malloc(%rip) ## base::(anonymous namespace)::g_old_malloc
           + 1147 szone_malloc_should_clear  (in libsystem_malloc.dylib) + 395  [0x7fffc83544c5]

      Attachments

        1. bt_all_image_list.txt
          761 kB
        2. bt_all.txt
          730 kB
        3. QTBUG-58117.zip
          0.8 kB
        4. QTBUG-58117-crash-report.txt
          875 kB
        5. toolbox_annotated_trace.txt
          8 kB
        6. toolbox_lldb_annotated_crash.txt
          7 kB

        Issue Links

          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-54769 free(): invalid pointer / corrupted double-linked list on exit

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Closed
          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

              qt_webengine_team Qt WebEngine Team
              jonnyzzz Eugene
              Votes:
              0 Vote for this issue
              Watchers:
              3 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There are no open Gerrit changes