Details
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Bug
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Resolution: Unresolved
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Major
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None
Description
Both testbots VBox and KVM had a hangup in "Wine Test, Module: user32, Test: scroll" when testing 0.4.14-RC-2-g824f887
https://build.reactos.org/#/builders/9/builds/26974
Running Wine Test, Module: user32, Test: scroll
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(win32ss/user/ntuser/scrollbar.c:98) err: IntGetSBData Wrong Extra bytes for CTL Scrollbar!
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Entered debugger on last-chance exception (Exception Code: 0xc0000005) (Page Fault)
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Memory at 0x00000008 could not be read: Page not present.
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kdb:>
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bt
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Eip:
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<win32k.sys:6d3e8 (win32ss/user/ntuser/scrollbar.c:223 (IntCalculateThumb))>
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Frames:
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<win32k.sys:6dae3 (win32ss/user/ntuser/scrollbar.c:708 (co_IntGetScrollBarInfo))>
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<win32k.sys:6e212 (win32ss/user/ntuser/scrollbar.c:1226 (NtUserGetScrollBarInfo))>
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<ntoskrnl.exe:13ccee (ntoskrnl/include/internal/i386/ke.h:730 (KiSystemServiceHandler))>
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<ntoskrnl.exe:3d29 (:0 (KiFastCallEntry))>
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<ntdll.dll:fe6d>
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<user32.dll:1d79c>
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<user32.dll:1da79>
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<user32_winetest.exe:c3027>
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<user32_winetest.exe:11b8ec>
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<user32_winetest.exe:11cb0a>
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<user32_winetest.exe:11cb53>
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<kernel32.dll:116e2>
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kdb:>
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When I did nothing but reschedule building+testing that exact same revision, the problem did not happen again:
https://build.reactos.org/#/builders/9/builds/26976
I don't want to create an unactionable/unretestable ticket, but I fear that this may point to severe kernel corruption that is randomly happening. I was unsure, whether filing a ticket for such a flaky thing makes sense, but hBelusca agreed to create one. I suspect the underlaying issue can also affect master.
The first two commits that went into the 0.4.14RC did behave fine when they were applied to 0.4.13RCs, so I do not think they are related:
0.4.14-RC-2-g824f887
0.4.14-RC-1-g0fbebb8
Attachments
Issue Links
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- Resolved
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