[Bug 48815] New: user32:win "unexpected 0x738 message" Windows 10 failures
https://bugs.winehq.org/show_bug.cgi?id=48815 Bug ID: 48815 Summary: user32:win "unexpected 0x738 message" Windows 10 failures Product: Wine Version: unspecified Hardware: x86 OS: Windows Status: NEW Severity: major Priority: P2 Component: user32 Assignee: wine-bugs(a)winehq.org Reporter: fgouget(a)codeweavers.com user32:win sometimes fails complaining about an unexpected 0x738 message: win.c:3858: Test failed: message 0738 available or win.c:3852: Test failed: hwnd 00210500 message 0738 This second message includes the window handle which means it is "always new", which can cause the TestBot to mistakenly attribute the failure to the patch being tested. So I bumped the priority on this bug.
From what I gathered the 0x738 message was introduced in Windows 10 1703 which is why this failure only happens on our 1709+ test configurations (we don't have 1703). Also nobody seems to know what this message is, only that it seems to be related to windows belonging to the UserAdapterWindowClass:
https://forums.zimbra.org/viewtopic.php?t=63188 https://stackoverflow.com/questions/44395364/windows-creators-update-crashes... https://github.com/otya128/winevdm/issues/114 -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.
https://bugs.winehq.org/show_bug.cgi?id=48815 François Gouget <fgouget(a)codeweavers.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |source, testcase -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.
https://bugs.winehq.org/show_bug.cgi?id=48815 --- Comment #1 from François Gouget <fgouget(a)codeweavers.com> --- Created attachment 70312 --> https://bugs.winehq.org/attachment.cgi?id=70312 user32:win Dump the 0x738 messages The attached patch confirms that the 0x738 message is sent to a message-only UserAdapterWindowClass window: win.c:4049: Test failed: message 0738 available win.c:55: hwnd=00000000000301C0 pid=5144 tid=6984 now=68609 win.c:56: hwnd=00000000000201BA message=0738 wParam=0 lParam=0 time=68593 pt=(250,250) win.c:60: wnd: parent=0000000000000000 owner=0000000000000000 win.c:65: wnd: pid=5144 tid=6984 class=22 L"UserAdapterWindowClass" text=0 L"" win.c:72: hwnd=00000000000201BA is a message-only window -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.
https://bugs.winehq.org/show_bug.cgi?id=48815 Rémi Bernon <rbernon(a)codeweavers.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED Fixed by SHA1| |fa28e05cf5b0101fb046c484539 | |1634791268200 CC| |rbernon(a)codeweavers.com --- Comment #2 from Rémi Bernon <rbernon(a)codeweavers.com> --- This should be fixed with fa28e05cf5b0101fb046c4845391634791268200. Messages for windows of the UserAdapterWindowClass classs are now ignored. -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.
https://bugs.winehq.org/show_bug.cgi?id=48815 Alexandre Julliard <julliard(a)winehq.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED --- Comment #3 from Alexandre Julliard <julliard(a)winehq.org> --- Closing bugs fixed in 7.2. -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.
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