Unable to start XWin with --nolock

Unable to start XWin with --nolock

[Richard Gitschlag]

I am having trouble starting XWin on my system.

It complains about being unable to "read lock" the file -- okay, so it resides on a FAT32 drive, no big.  Just add --nolock to my command line and move on.

But it doesn't work.  But it does.  But doesn't.

I AM able to run XWin from inside cygwin's bash prompt:

$ xinit -- -nolock -multiwindow
$ startxwin -- -nolock

But I can NOT run Xwin from a Windows command prompt or a Start Menu shortcut:

> /cygwin/bin/run.exe /usr/bin/bash.exe -l -c /usr/bin/xinit -- -nolock -multiwindow

> /cygwin/bin/run.exe /usr/bin/bash.exe -l -c /usr/bin/startxwin -- -nolock

In these cases I am given the read-lock error, and:

"XWin was started with the following command line:  X :0"

In other words, I am unable to pass my command-line options to XWin, so I cannot work around the error.

Did I overlook something?  What do I do next?


-- Stratadrake
strata_ranger@hotmail.com

--------------------
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Re: Unable to start XWin with --nolock

[Jon TURNEY]

On 26/08/2010 18:18, Richard Gitschlag wrote:
> I am having trouble starting XWin on my system.
>
> It complains about being unable to "read lock" the file -- okay, so it resides on a FAT32 drive, no big.  Just add --nolock to my command line and move on.
>
> But it doesn't work.  But it does.  But doesn't.
>
> I AM able to run XWin from inside cygwin's bash prompt:
>
> $ xinit -- -nolock -multiwindow
> $ startxwin -- -nolock
>
> But I can NOT run Xwin from a Windows command prompt or a Start Menu shortcut:
>
>> /cygwin/bin/run.exe /usr/bin/bash.exe -l -c /usr/bin/xinit -- -nolock -multiwindow
>
>> /cygwin/bin/run.exe /usr/bin/bash.exe -l -c /usr/bin/startxwin -- -nolock
>
> In these cases I am given the read-lock error, and:
>
> "XWin was started with the following command line:  X :0"
>
> In other words, I am unable to pass my command-line options to XWin, so I cannot work around the error.
>
> Did I overlook something?  What do I do next?

You need to quote the command after -c to prevent bash assuming those options 
are meant for itself.

This has been answered a few times before, e.g. at [1]

I'm not sure if you arrived at using -nolock from reading FAQ 3.4 [2], perhaps 
I need to improve that FAQ to give more guidance.

[1] http://sourceware.org/ml/cygwin-xfree/2010-04/msg00026.html
[2] http://x.cygwin.com/docs/faq/cygwin-x-faq.html#q-cant-read-lock-file

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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