RE: Problem when trying to use -nolock Option

RE: Problem when trying to use -nolock Option

[Mathias Friesenbichler]

Hi,

I posted this Problem 2 Weeks ago and no one answered yet.

Is there anyone who can help me?

Thanks,
Mathias

-------- Original-Nachricht --------
Datum: Thu, 17 Jun 2010 08:24:03 +0200
Von: "Mathias Friesenbichler" <Hiasi1@gmx.at>
An: cygwin-xfree@cygwin.com
Betreff: Problem when trying to use -nolock Option

Hi,

My CygwinX is installed on a server.
Several users are accessing this installation and therefore i want to use the "-nolock" option.

Although i have added this option, cygwinx creates the X1 File in "tmp/.X11-unix". So no other user can access cygwin while it is open.
The logbook output is then:

----
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 1.8.0.0 (10800000)
Build Date: 2010-04-02

Contact: cygwin-xfree@cygwin.com
XWin was started with the following command line:

/usr/bin/Xwin :1 -ac -query 10.8.248.101 -clipboard -logfile  C:\DOKUME~1\fltplehr\LOKALE~1\Temp\xwin.fltplehr.1.log
 -nolock -dpi 75

ddxProcessArgument - Initializing default screens winInitializeDefaultScreens - primary monitor w 1280 h 1024 winInitializeDefaultScreens - native DPI x 96 y 96 winInitializeDefaultScreens - Returning [1061722.984] _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 [1061722.984] _XSERVTransOpen: transport open failed for inet6/pc08309:1 [1061722.984] _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 [1061723.015] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed [1061723.015] _XSERVTransMakeAllCOTSServerListeners: server already running [1061723.015] Fatal server error:
[1061723.015] Cannot establish any listening sockets - Make sure an X server isn't already running
----

I am starting the program with the following code:
start O:\PLS_Faser\Cygwin_PLSStarter\cygwin_installed\bin\Xwin.exe :1 -ac -query IP -clipboard -logfile "%TEMP%\xwin.%USERNAME%.1.log" -nolock -dpi 75

Can you help me?

Thanks,
Mathias

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Re: Problem when trying to use -nolock Option

[Jon TURNEY]

On 29/06/2010 17:13, Mathias Friesenbichler wrote:
> Hi,
>
> I posted this Problem 2 Weeks ago and no one answered yet.
>
> Is there anyone who can help me?

Yourself, first of all.  Try reading the 'Xserver' man page.

> Thanks,
> Mathias
>
> -------- Original-Nachricht --------
> Datum: Thu, 17 Jun 2010 08:24:03 +0200
> Von: "Mathias Friesenbichler"<Hiasi1@gmx.at>
> An: cygwin-xfree@cygwin.com
> Betreff: Problem when trying to use -nolock Option
>
> Hi,
>
> My CygwinX is installed on a server.
> Several users are accessing this installation and therefore i want to use the "-nolock" option.

No.  If several users are running X servers on the same computer at the same 
time, they need to each use a unique display number.

'-nolock' is only useful if /tmp resides on a FAT filesystem, which doesn't 
support the semantics needed by lockfiles, or if a stale lockfile has been 
left behind by a crashed XWin which you don't have rights to remove.

>
> Although i have added this option, cygwinx creates the X1 File in "tmp/.X11-unix". So no other user can access cygwin while it is open.
> The logbook output is then:
>
> ----
> Welcome to the XWin X Server
> Vendor: The Cygwin/X Project
> Release: 1.8.0.0 (10800000)
> Build Date: 2010-04-02
>
> Contact: cygwin-xfree@cygwin.com
> XWin was started with the following command line:
>
> /usr/bin/Xwin :1 -ac -query 10.8.248.101 -clipboard -logfile  C:\DOKUME~1\fltplehr\LOKALE~1\Temp\xwin.fltplehr.1.log
>   -nolock -dpi 75
>
> ddxProcessArgument - Initializing default screens winInitializeDefaultScreens - primary monitor w 1280 h 1024 winInitializeDefaultScreens - native DPI x 96 y 96 winInitializeDefaultScreens - Returning [1061722.984] _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 [1061722.984] _XSERVTransOpen: transport open failed for inet6/pc08309:1 [1061722.984] _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 [1061723.015] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed [1061723.015] _XSERVTransMakeAllCOTSServerListeners: server already running [1061723.015] Fatal server error:
> [1061723.015] Cannot establish any listening sockets - Make sure an X server isn't already running
> ----
>
> I am starting the program with the following code:
> start O:\PLS_Faser\Cygwin_PLSStarter\cygwin_installed\bin\Xwin.exe :1 -ac -query IP -clipboard -logfile "%TEMP%\xwin.%USERNAME%.1.log" -nolock -dpi 75
>
> Can you help me?


-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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Re: Problem when trying to use -nolock Option

[Jon TURNEY]

On 01/07/2010 06:53, Mathias Friesenbichler wrote:
> Hi,
>
> Thanks for the reply. But you didn’t get my problem.
>
> We are several users running X servers over several computers, but starting the X from the same Installation on the network.

I see.  You didn't mention this before.

I don't think that's a supported way of running cygwin.

Things would probably work better if you set the mount table for each computer 
so it had /tmp mounted on a local disk, rather than having them all share one.

> So the local Computer doesn’t know anything about the other users and therefore we have written a program that manages this problem for us. This program gives each user a unique display number.
>
> The problem now is that if I use the “-nolock” option it does the same as if I don’t use it. It also creates those lockfiles.
>
> So what can I do to fix this?

The "/tmp/.X11-unix/Xn" files are not lock files.  They are unix domain sockets.

You could avoid them being created by using '-nolisten unix', which probably 
avoids this specific problem.

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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Re: Problem when trying to use -nolock Option

[Mathias Friesenbichler]

Hi,

Thanks for the reply. But you didn’t get my problem.

We are several users running X servers over several computers, but starting the X from the same Installation on the network.
So the local Computer doesn’t know anything about the other users and therefore we have written a program that manages this problem for us. This program gives each user a unique display number.

The problem now is that if I use the “-nolock” option it does the same as if I don’t use it. It also creates those lockfiles.

So what can I do to fix this?

Thanks,
Mathias


> 
> 
> -----Ursprüngliche Nachricht-----
> Von: cygwin-xfree-owner@cygwin.com [mailto:cygwin-xfree-owner@cygwin.com]
> Im Auftrag von Jon TURNEY
> Gesendet: Mittwoch, 30. Juni 2010 20:03
> An: cygwin-xfree@cygwin.com
> Cc: Hiasi1@gmx.at
> Betreff: Re: Problem when trying to use -nolock Option
> 
> On 29/06/2010 17:13, Mathias Friesenbichler wrote:
> > Hi,
> >
> > I posted this Problem 2 Weeks ago and no one answered yet.
> >
> > Is there anyone who can help me?
> 
> Yourself, first of all.  Try reading the 'Xserver' man page.
> 
> > Thanks,
> > Mathias
> >
> > -------- Original-Nachricht --------
> > Datum: Thu, 17 Jun 2010 08:24:03 +0200
> > Von: "Mathias Friesenbichler"<Hiasi1@gmx.at>
> > An: cygwin-xfree@cygwin.com
> > Betreff: Problem when trying to use -nolock Option
> >
> > Hi,
> >
> > My CygwinX is installed on a server.
> > Several users are accessing this installation and therefore i want to
> use the "-nolock" option.
> 
> No.  If several users are running X servers on the same computer at the
> same time, they need to each use a unique display number.
> 
> '-nolock' is only useful if /tmp resides on a FAT filesystem, which
> doesn't support the semantics needed by lockfiles, or if a stale lockfile has
> been left behind by a crashed XWin which you don't have rights to remove.
> 
> >
> > Although i have added this option, cygwinx creates the X1 File in
> "tmp/.X11-unix". So no other user can access cygwin while it is open.
> > The logbook output is then:
> >
> > ----
> > Welcome to the XWin X Server
> > Vendor: The Cygwin/X Project
> > Release: 1.8.0.0 (10800000)
> > Build Date: 2010-04-02
> >
> > Contact: cygwin-xfree@cygwin.com
> > XWin was started with the following command line:
> >
> > /usr/bin/Xwin :1 -ac -query 10.8.248.101 -clipboard -logfile 
> C:\DOKUME~1\fltplehr\LOKALE~1\Temp\xwin.fltplehr.1.log
> >   -nolock -dpi 75
> >
> > ddxProcessArgument - Initializing default screens
> winInitializeDefaultScreens - primary monitor w 1280 h 1024 winInitializeDefaultScreens - native
> DPI x 96 y 96 winInitializeDefaultScreens - Returning [1061722.984]
> _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 [1061722.984]
> _XSERVTransOpen: transport open failed for inet6/pc08309:1 [1061722.984]
> _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
> [1061723.015] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener()
> failed [1061723.015] _XSERVTransMakeAllCOTSServerListeners: server already
> running [1061723.015] Fatal server error:
> > [1061723.015] Cannot establish any listening sockets - Make sure an X
> server isn't already running
> > ----
> >
> > I am starting the program with the following code:
> > start O:\PLS_Faser\Cygwin_PLSStarter\cygwin_installed\bin\Xwin.exe :1
> -ac -query IP -clipboard -logfile "%TEMP%\xwin.%USERNAME%.1.log" -nolock -dpi
> 75
> >
> > Can you help me?
> 
> 
> --
> Jon TURNEY
> Volunteer Cygwin/X X Server maintainer
> 
> --
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> 
> 
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Problem when trying to use -nolock Option

[Mathias Friesenbichler]

Hi,

My CygwinX is installed on a server.
Several users are accessing this installation and therefore i want to use the "-nolock" option.

Although i have added this option, cygwinx creates the X1 File in "tmp/.X11-unix". So no other user can access cygwin while it is open.
The logbook output is then:

----
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 1.8.0.0 (10800000)
Build Date: 2010-04-02

Contact: cygwin-xfree@cygwin.com
XWin was started with the following command line:

/usr/bin/Xwin :1 -ac -query 10.8.248.101 -clipboard -logfile  C:\DOKUME~1\fltplehr\LOKALE~1\Temp\xwin.fltplehr.1.log
 -nolock -dpi 75

ddxProcessArgument - Initializing default screens winInitializeDefaultScreens - primary monitor w 1280 h 1024 winInitializeDefaultScreens - native DPI x 96 y 96 winInitializeDefaultScreens - Returning [1061722.984] _XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6 [1061722.984] _XSERVTransOpen: transport open failed for inet6/pc08309:1 [1061722.984] _XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6 [1061723.015] _XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed [1061723.015] _XSERVTransMakeAllCOTSServerListeners: server already running [1061723.015] Fatal server error:
[1061723.015] Cannot establish any listening sockets - Make sure an X server isn't already running
----

I am starting the program with the following code:
start O:\PLS_Faser\Cygwin_PLSStarter\cygwin_installed\bin\Xwin.exe :1 -ac -query IP -clipboard -logfile "%TEMP%\xwin.%USERNAME%.1.log" -nolock -dpi 75

Can you help me?

Thanks,
Mathias

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