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

["Matt D." <matt@codespunk.com>]

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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>>>
>>
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>>
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