New subject: [Bug 55465] user32:msg - The 64-bit test_swp_paint_region_on_show() sometimes gets a COMPLEXREGION on Windows 7

19 Aug 2023


      https://bugs.winehq.org/show_bug.cgi?id=55465
Bug ID: 55465
           Summary: user32:msg - The 64-bit
                    test_swp_paint_region_on_show() sometimes gets a
                    COMPLEXREGION on Windows 7
           Product: Wine
           Version: unspecified
          Hardware: x86-64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: user32
          Assignee: wine-bugs@winehq.org
          Reporter: fgouget@codeweavers.com
user32:msg - The 64-bit test_swp_paint_region_on_show() sometimes gets a
COMPLEXREGION on Windows 7:
msg.c:9471: Test failed: GetRgnBox (on parent) returned 3
5 rects: (10,10)-(100,33) (10,33)-(59,34) (10,34)-(57,35) (10,35)-(56,37)
(10,37)-(55,100)
msg.c:9508: Test failed: GetRgnBox (on parent) returned 3
5 rects: (20,20)-(120,33) (20,33)-(59,34) (20,34)-(57,35) (20,35)-(56,37)
(20,37)-(55,120)
msg.c:9565: Test failed: GetRgnBox (on parent) returned 3
5 rects: (10,10)-(100,33) (10,33)-(59,34) (10,34)-(57,35) (10,35)-(56,37)
(10,37)-(55,100)
See https://test.winehq.org/data/patterns.html#user32:msg
Where 3 == COMPLEXREGION
This is similar to bug 55374 except:
* This only happens in 64-bit tests instead of happening exclusively in 32-bit
tests.
* So this also only happens on w7pro64 instead of w7u.
* test_swp_paint_region_on_show() gets a COMPLEXREGION instead of a NULLREGION.
So it's not immediately clear to me if both failure types have the same root
cause.
The oldest known instance happened on 2023-06-12 and this has happened about
once a month since:
* 2023-06-12 win7_newtb-w7pro64-64
* 2023-07-14 win7_newtb-w7pro64-64
* 2023-08-17 win7_newtb-w7pro64-64
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[Bug 55465] New: user32:msg - The 64-bit test_swp_paint_region_on_show() sometimes gets a COMPLEXREGION on Windows 7