X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=-0.8 required=5.0 tests=AWL,BAYES_00,SARE_MSGID_LONG40 X-Spam-Check-By: sourceware.org MIME-Version: 1.0 In-Reply-To: <20100224122149.GC5683@calimero.vinschen.de> References: <6d19fbfd1002232032q38cbbd95h2d85cac48badacad@mail.gmail.com> <20100224104851.GB29779@calimero.vinschen.de> <6d19fbfd1002240317u7774ac4fxc8598cd20a1cc47f@mail.gmail.com> <20100224122149.GC5683@calimero.vinschen.de> Date: Thu, 25 Feb 2010 17:07:52 +0530 Message-ID: <6d19fbfd1002250337y178375f0r9004366a7b2b4a32@mail.gmail.com> Subject: Re: Max no of parallel SSH sessions with Cygwin SSHD From: Girish Sadhani To: cygwin@cygwin.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Hi Corrina, After the change in the registry keys i was able to create 78 parallel sessions, approximately double of the earlier 38. I have the value set to 1024 to the earlier 512. Thanks a lot ! On Wed, Feb 24, 2010 at 5:51 PM, Corinna Vinschen wrote: > On Feb 24 16:47, Girish Sadhani wrote: >> Hi Corinna, >> >> the following error was logged in the sshd.log : >> >> 2 [main] sshd 7140 d:\Sygwin\usr\sbin\sshd.exe: *** fatal error - >> could not load user32, Win32 error 1114 >> >> I tried to google this but could not make too much sense of the error. >> Its supposed to be a failure of a dll initialization. >> >> And this occurs only after the sessions limit mentioned earlier are reac= hed. > > Yes. =A0See the URL I sent in my first reply. > >> >> On Wed, Feb 24, 2010 at 4:18 PM, Corinna Vinschen >> wrote: >> > On Feb 24 10:02, Girish Sadhani wrote: >> >> Hello All, >> >> >> >> I am trying to use Cygwin SSHD in my project. I have defined a >> >> subsystem under SSHD which gets accessed by the client. >> >> >> >> Each subsystem invocation spawns 3 processes (1 sshd + 1sh + 1 tclsh). >> >> >> >> I have observed that on WinXP only 22 parallel sessions are possible >> >> whereas on a Win2k3 server 48 parallel sessions are possible. Both are >> >> of a similar hardware configuration (3Ghz CPU, 2GB RAM). After which >> >> it seems like some resource allocation limit is reached, though there >> >> is a lot more Memory and CPU available. I have tried increasing the >> >> heap allocation but it does not help the situation. >> >> >> >> 1. My question is that why is there a difference between the 2 OSs ? >> >> 2. Does XP have resource allocation lower limits than win2k3 server ? >> >> 3. How can this be overcome ? (some OS settings ..) >> > >> > I have no idea if that helps, but it could be related to the Windows >> > subsystem settings in the registry There are three values in an argume= nt >> > called SharedSection which define default heap sizes. =A0The third one= is >> > the value which would influence a sshd started as service. =A0See >> > http://support.microsoft.com/kb/184802 > > > Corinna > > -- > Corinna Vinschen =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Please, send mails re= garding Cygwin to > Cygwin Project Co-Leader =A0 =A0 =A0 =A0 =A0cygwin AT cygwin DOT com > Red Hat > > -- > Problem reports: =A0 =A0 =A0 http://cygwin.com/problems.html > FAQ: =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 http://cygwin.com/faq/ > Documentation: =A0 =A0 =A0 =A0 http://cygwin.com/docs.html > Unsubscribe info: =A0 =A0 =A0http://cygwin.com/ml/#unsubscribe-simple > > --=20 Regards, Girish. S. Sadhani -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple