[Bug 24676] New: winedbg causes Unhandled page fault on read access during stepi
wine-bugs at winehq.org
wine-bugs at winehq.org
Fri Oct 8 15:22:07 CDT 2010
http://bugs.winehq.org/show_bug.cgi?id=24676
Summary: winedbg causes Unhandled page fault on read access
during stepi
Product: Wine
Version: 1.3.4
Platform: x86
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: winedbg
AssignedTo: wine-bugs at winehq.org
ReportedBy: andrew.pub at sophistasis.com
Created an attachment (id=31191)
--> (http://bugs.winehq.org/attachment.cgi?id=31191)
A step by step show of how the error is gotten w/ edited terminal output
session
During a debug of a set of 3rd party DLL's combined with a program, calls to
memory pages which need to be ?swapped in? will cause an Unhandled page fault
when stepi is used, *but* will run properly if that code segment is executed
seamlessly. Essentially, the debugger is interfering with the page swapping
algorithms intermittently making debugging nearly impossible.
The test program is ebook_msc.exe found here:
http://projects.mobileread.com/reader/users/porkupan/PRS900/flash%20packages/PRS900.Flash.Package.1.02e.zip
In the attachment, a short step by step view of how to re-create the bug is
given including my comments (!)
The backtrace often shows the error point in ntdll.
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