New subject: [Bug 55724] mfmediaengine:mfmediaengine sometimes gets a threadpool assertion in Wine

5 Oct 2023


      https://bugs.winehq.org/show_bug.cgi?id=55724
Bug ID: 55724
           Summary: mfmediaengine:mfmediaengine sometimes gets a
                    threadpool assertion in Wine
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: mfplat
          Assignee: wine-bugs@winehq.org
          Reporter: fgouget@codeweavers.com
      Distribution: ---
mfmediaengine:mfmediaengine sometimes gets a threadpool assertion in Wine:
mfmediaengine.c:147: created L"C:\users\winetest\Temp\rgb32frame.bmp"
Unhandled exception: assertion failed in 32-bit code (0x7bc24980).
[...]
Backtrace:
=>0 0x7bc24980 raise_status+0x30(status=0x80000101, rec=00000000)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/exception.c:201]
in ntdll (0x0499fd20)
  1 0x7bc249a9 in ntdll (+0x249a9) (0x0499fd40)
  2 0x7bc24d7b debugstr_a(str="!object->num_running_callbacks",
file="../wine/dlls/ntdll/threadpool.c", line=0x84c)
[/home/winetest/tools/testbot/var/wine-win32/../wine/include/wine/debug.h:507]
in ntdll (0x0499fd70)
  3 0x7bc24d7b _assert+0x1b(str="!object->num_running_callbacks",
file="../wine/dlls/ntdll/threadpool.c", line=0x84c)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/exception.c:627]
in ntdll (0x0499fd70)
  4 0x7bc5cb88 tp_object_release+0x198(object=<register EBX not accessible in
this frame>)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/threadpool.c:2123]
in ntdll (0x0499fdb0)
  5 0x7bc60645 TpReleaseWait+0x35(wait=013E32C8)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/threadpool.c:2117]
in ntdll (0x0499fde0)
  6 0x6b141a08 work_item_Release+0x6e(iface=<internal error>)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/rtworkq/queue.c:567]
in rtworkq (0x0499fe00)
  7 0x6b141a08 work_item_Release+0x88(iface=009E7EA0)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/rtworkq/queue.c:580]
in rtworkq (0x0499fe00)
  8 0x6b142f9a waiting_item_cancelable_callback+0x2a(instance=0499FE90,
context=009E7EA0, wait=013E32C8, wait_result=0)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/rtworkq/queue.c:769]
in rtworkq (0x0499fe30)
  9 0x7bc5d55a tp_object_execute+0x14a(object=<register EDI not accessible in
this frame>, wait_thread=<register EBX not accessible in this frame>)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/threadpool.c:2248]
in ntdll (0x0499fed0)
  10 0x7bc5daf0 threadpool_worker_proc+0x100(param=00249938)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/threadpool.c:2356]
in ntdll (0x0499ff30)
  11 0x7b829770 in kernel32 (+0x29770) (0x0499ff48)
  12 0x7bc5a557 in ntdll (+0x5a557) (0x0499ff5c)
  13 0x7bc5ada0 RtlCreateUserThread(entry=7BC5D9F0, arg=00249938)
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/thread.c:315]
in ntdll (0x0499ffec)
0x7bc24980 raise_status+0x30
[/home/winetest/tools/testbot/var/wine-win32/../wine/dlls/ntdll/exception.c:201]
in ntdll: sub $0x04, %esp
201        for (;;) RtlRaiseException( &ExceptionRec );  /* never returns */
See https://test.winehq.org/data/patterns.html#mfmediaengine:mfmediaengine
There are only two instances so far but both are only days old and the GitLab
CI is impacted too:
2023-10-04 MR!4012 (test-linux-32)
2023-10-02 debian11-fr-32
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[Bug 55724] New: mfmediaengine:mfmediaengine sometimes gets a threadpool assertion in Wine