I would be interested in a listing of ALL Windows programmes which allocate and not free their memory I have noted that when I have more than 12 windows open on my desktop Internet Explorer will GPF. Regards, -Martin ----- Original Message ----- From: "Yorick Koster" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, August 09, 2003 10:40 AM Subject: Re: Information regarding problem when Windows cannot re-use PID numbers
> Hello list, > > Rogier & I have been busy trying to isolate the memory leak problem we > have encountered on Win2k machines. A lot of people on this list have > suggested this is in fact a Win2k problem. We have indeed verified this > is indeed not a CygWin issue, but I am not totally convinced this is a > Windows problem. The following command can be used to reproduce the leak: > > FOR /L %a IN (1,1,65535) DO echo exit | cmd > > By using the task manager, you can notice an increase in the use of > memory. symptoms: > - the available free physical memory reduces with a constant interval, > this will continue untill all physical memory is used > - apparently Windows can not swap this space, when it is no longer > possible to start a new command shell, there is still lots of swap space > available > - the memory is never freed, not even when a user logs off > - starting more applications will eventually cause Windows to crash > > The reason why I am not convinced this is a Windows problem, is because > of the fact that I have tested this on several Win2k machines, some of > them suffer from this bug while others do not. These machines are > identical and are installed using the same image. My guess was that it > is related to same 3rd party services, likely antivirus and/or personal > firewall software. > > zenma wrote: > > >I had to reinstall Windows to find what is causing it, and finally was able to do it. > >It was a Firewall software called Agnitum Outpost which was causing such a bad behavior. When i uninstalled this application problems have gone and windows was able to re-use PID numbers again as it should. This is related to both Outpost 1.0 and 2.0 versions. This was tested on different computers (Windows XP [SP1]). > >I have sent a bug report few days ago regarding this problem to Agnitum. > > > The machines that suffer from this bug have indeed Outpost installed, > however I have manually stopped the Outpost service on these machines > and run the test mentioned above. I have not yet uninstalled Outpost, > but because it has helped solve the problem for you, I'll try this > monday when I am at work. I hope Agnitum can solve this issue. > > >I know, this is not related to cygwin, but i thought it might be a valuable information to some people who ran into this problem and was not able to find the cause. > > > > > I too think this is valuable information, especially because > ./configure, make & make install are frequent used commands by CygWin users. > > Regards, > Yorick > -- > Ing. Yorick Koster <mailto:[EMAIL PROTECTED]> > Security Engineer > ------------------------------------------------------------------- > ITsec Security Services B.V., Postbus 5120, 2000 GC HAARLEM > Tel.+31-(0)235420578, Fax.+31-(0)235345477 > http://www.itsec-ss.nl > ------------------------------------------------------------------- > Exploit & vulnerability Alerting Service > http://www.evas.nl > > ITsec Security Services B.V. may not be held liable for the > effects or damages caused by the direct or indirect use of the > information or functionality provided by this posting, nor the > content contained within. Use them at your own risk. > ITsec Security Services B.V. bears no responsibility for misuse > of this posting or any derivatives thereof. > > > -- > Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple > Problem reports: http://cygwin.com/problems.html > Documentation: http://cygwin.com/docs.html > FAQ: http://cygwin.com/faq/ > > -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
