Re: [Mingw-msys] Deep puzzlement with hangs

Thanks to those who offered suggestions about my problems working in the 
MSYS environment.

I found the problem. It was LVPrcSrv.exe, a component of software I'd 
installed that came with a Logitech webcam. I hadn't suspected this 
software installation because I had no problems using MSYS for a week or 
more before the trouble hit. Yuck!

Bruce Sherwood

Greg Chicares wrote:

>On 2005-12-20 3:59 UTC, Bruce Sherwood wrote:
>  
>
>>I'm new to this list but have used MSYS/MinGW on Windows XP for some
>>time to create Windows binaries for VPython (an easy-to-use 3D
>>programming environment; see vpython.org). About two days ago MSYS
>>stopped working properly
>>    
>>
>
>MinGW and MSYS don't depend on any registry entries, so that can
>be ruled out right away.
>
>Have you changed your PATH? Even if you changed it 'only' for
>windows, MSYS inherits that.
>
>Have you recently installed other, similar software like cygwin?
>
>Have you changed the MSYS mount table, or moved MSYS or MinGW
>files to a different directory than they formerly resided in?
>
>Have you installed an updated version of MinGW or MSYS?
>
>Probably you've already thought of those things, of course.
>
>You might try launching MSYS without rxvt. I think the
>recommended way to do that is to rename 'rxvt.exe' in the
>msys/1.0/bin/ directory. Just change its name to anything else.
>
>  
>
>>I have of course tried reinstalling, tried different
>>versions, tried it on a colleague's machine, all to no avail.
>>    
>>
>
>I find it especially interesting that you have the same problems
>on another machine. This seems to rule out flaky hardware.
>
>Is this machine in a corporation? Sometimes they change things
>for all users at the same time, and sometimes the people doing
>an 'upgrade' don't know the ramifications. Have you tried
>installing these tools on your home computer?
>
>  
>
>>The main symptom is that when I try to run a script such as a make or
>>configure or bjam (to build boost libraries), the process hangs on some
>>statement.
>>    
>>
>
>That rules out 'make', because jam is independent.
>
>  
>
>>For example, if it drives gcc I see the file produced but the
>>process doesn't advance to the next statement, as though gcc doesn't
>>exit properly or the script doesn't detect the existence of the produced
>>file. My colleague even suggested that maybe an automatic Norton
>>antivirus update might have screwed up something about the file system,
>>so I turned it off to no avail.
>>    
>>
>
>When it 'hangs', what does the msw 'task manager' tell you?
>Do the script and the compiler processes terminate? If not, do
>they continue to consume CPU or I/O resources?
>
>Are other low-level processes running in the background, which
>might change files surreptitiously--a badly-behaved defragmenter,
>perhaps?
>
>
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