[Bug 24676] winedbg causes Unhandled page fault on read access during stepi

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=24676

Eric Pouech <eric.pouech at orange.fr> changed:

           What    |Removed                     |Added
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                 CC|                            |eric.pouech at orange.fr

--- Comment #1 from Eric Pouech <eric.pouech at orange.fr> 2010-10-09 03:38:46 CDT ---
I can't reproduce what you describe.
Wine-dbg>break mscenccomm!MSC_USBConnect
fixme:dbghelp_dwarf:compute_location Only supporting one breg (18 -> 24)
Many symbols with name 'mscenccomm!MSC_USBConnect', choose the one you want
(<cr> to abort):
[1]: 0x100011e0 MSC_USBConnect in mscenccomm
[2]: 0x100011e0 MSC_USBConnect in mscenccomm
=> 1
Breakpoint 1 at 0x100011e0 MSC_USBConnect in mscenccomm
Wine-dbg>c
Stopped on breakpoint 1 at 0x100011e0 MSC_USBConnect in mscenccomm
Wine-dbg>stepi 17
0x10001a3f: call        *%esi
Wine-dbg>nexti 10
0x10001a5d: movl        %eax,%ebp

which works flawlessly afterwards. Are you sure you haven't set other
breakpoints (on addresses which are not instructions boundaries? => this could
explain why you get different instructions at the end)
btw, try also hardware breakpoints, they don't have the defaults of modifying
instructions code.

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