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Re: xinit hangs on XWin infinite loop when using -displayfd


I found as a workaround to add the arguments "-nolisten tcp" when invoking xinit. However, I was under the impression that it was incompatible with -multiwindow and -clipboard, both of which seem to be working fine:

https://cygwin.com/ml/cygwin-xfree/2009-05/msg00016.html


Matt D.

On 7/21/2014 12:00 PM, Matt D. wrote:
Ok.. so I let xinit do its thing to see if it got anywhere. Eventually
it will pop and error box. Interestingly, I specified a displayfd value
of "3" and yet both the popup and the log are reporting "5":

http://oi58.tinypic.com/106fono.jpg

My XWin.0.log is about 15MB of repeated attempts to open a socket. Here
is a snippet. I hope this helps:

InitConnectionLimits: MaxClients = 255
Welcome to the XWin X Server
Vendor: The Cygwin/X Project
Release: 1.15.1.0
OS: CYGWIN_NT-5.1 matthew-17ffb52 1.7.30(0.272/5/3) 2014-05-23 10:36 i686
OS: Windows XP Service Pack 3 [Windows NT 5.1 build 2600] (Win32)
Snapshot: 20140709-git-2e9c13ea41c51df7

XWin was started with the following command line:

X -displayfd 5

ddxProcessArgument - Initializing default screens
winInitializeScreenDefaults - primary monitor w 1062 h 703
winInitializeScreenDefaults - native DPI x 96 y 96
ddxProcessArgument - arg: -displayfd
Trying to create socket for display number 0
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/matthew-17ffb52:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6

..


Trying to create socket for display number 59534
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/matthew-17ffb52:59534
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6
(EE) Fatal server error:
(EE) Failed to find a socket to listen on(EE)
[ 58128.390] (EE) Server terminated with error (1). Closing log file.


Matt D.

On 7/21/2014 11:49 AM, Matt D. wrote:
Still hangs with the latest 1.15.1-4 release.

On my main machine, I get the following output:

$ xinit -- -displayfd 1

read display number ':0' from X server
0

On the VM it just hangs. Taskmanager shows xinit.exe waiting or hung
with XWin.exe churning cycles and eating memory; about 4kB a tick.

Also on the VM, if I run the following:

$ xinit -- -displayfd

Then the display will open. So it seems to be an issue with whatever
code is dealing with the file descriptors.


Matt D.

On 7/20/2014 9:06 PM, Matt D. wrote:
The operating system is Windows XP Professional. It is a CLEAN install
on a VMware virtual machine and is 100% patched up. Cygwin also is a
clean install. I did try a rebaseall with no effect.

This is the first time I've encountered this. When I run "xinit --
-displayfd 3", xinit will hang and XWin takes up 100% of the cpu.

I've confirmed that file descriptors are working:

$ exec 3>a
$ echo "test" >&3
$ cat a
test
$ exec 3>&-

I can confirm that ports are available and that both xinit and XWin work
without this argument by running:

$ xinit --

Everything else works fine but without "-displayfd" I can't record where
the display is for this session to disk.

I've also tried copying known-working Cygwin installs into the VM and
still have the same error. Copying the erroring install from the VM
outside and running it on my development machine (Windows 7 x64) does
not generate an error.

Unless something stands out here, I can provide the VMware image for
testing (how convenient).


Matt D.

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