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Bug Report: ioperm.sys on Windows Server 2003 x64
- From: adombi at adenet dot biz
- To: cygwin at cygwin dot com
- Cc: marcel at telka dot sk
- Date: Thu, 16 Aug 2007 01:01:51 +0200 (Mitteleuropäische Sommerzeit )
- Subject: Bug Report: ioperm.sys on Windows Server 2003 x64
I experienced the following problem on the attempt to
install the ioperm.sys driver with the setup comand
ioperm -i -v
on a Windows Server 2003 R2 SP2 x64 DC machine
(2 x AMD Opteron Server with 4GB RAM, fully patched)
a) In the command window, the ioperm installer reports
b) The Following event log entry will be created after an installation attempt:
Event Type: Error
Event Source: Application Popup
Event Category: None
Event ID: 1060
\??\C:\cygwin\bin\ioperm.sys has been blocked from loading due to incompatibility
with this system. Please contact your software vendor for a compatible version of
For more information, see Help and Support Center at
0000: 00 00 00 00 02 00 6c 00 ......l.
0008: 00 00 00 00 24 04 00 c0 ....$..À
0010: 00 00 00 00 6b 03 00 c0 ....k..À
0018: 00 00 00 00 00 00 00 00 ........
0020: 00 00 00 00 00 00 00 00 ........
The error is repeatable on every Windows 2003 x64 machine
I tried yet.
Suggestion: Since ioperm.sys seems to be a kernel mode
driver, it needs explicit support for native 64Bit mode.
Can you compile this driver in x64 mode?
(E.g. name it iopermX64.sys)
Without this driver, I can not run a lot of hardware
related Cygwin-C++-Software on this machine.
Even beeping the speaker fails. (!)
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