1.5.23 on vista: difficulties launching X

[Dick Repasky]

On Wed, 10 Jan 2007, Larry Hall (Cygwin X) wrote:

> Dick Repasky wrote:
>>  On Tue, 9 Jan 2007, Larry Hall (Cygwin X) wrote:
>> 
>> >  Dick Repasky wrote:
>> > > 
>> > > 
>> > >  I'm experiencing difficulty starting X on a fresh install of cygwin on 
>> > >  a
>> > >  fresh install of Windows Vista.  I've tried both startxwin.sh and 
>> > >  startx.
>> > >   startxwin.sh always fails, and startx sometimes succeeds. A copy of
>> > >   cygcheck
>> > >   output is attached.
>> > > 
>> > >   startxwin.sh fails in three ways.
>
> <snip>
>
>> > >       Unlike the previous poster who reported a similar error, there is 
>> > >  no
>> > >       logitech camera or virus program running on the system. It is 
>> > >  indeed a
>> > >       fresh install.
>> > > 
>> > 
>> >  Have you tried the suggestions mentioned in this thread?
>> > 
>> >  <http://sourceware.org/ml/cygwin/2006-11/msg00059.html>
>>
>>
>>  Yes. Using the latest snapshot changes things, but doesn't clearly improve
>>  them.
>>
>>  For both startxwin.sh and startx, the snapshot eliminates the popup that
>>  states that sh.exe has exited.
>>
>>  Startxwin.sh still fails every time with the "child_copy: linked dll data
>>  write copy failed" error that I originally reported.
>>
>>  startx fails more than it works. It worked in only 2 of ten runs.  For 7
>>  of the 8 failures, it ended with the usual child copy error. The odd
>>  failure was one in which it hung with processor use at 100%, and windows
>>  reported cat.exe as the process that was burning up the cycles.
>
> Did you try rebasing?

When I rebaseall to 0x65000000, the child_copy error disappears. Both 
startxwin.sh and startx run fine. (I have yet to try -engine 2 to get the
toolbar-X-icon-exit to work.)

WHen I rebaseall back to 0x70000000, the child_copy error does not return. 
I did not believe in the healing powers of vista until I saw that.  What
does return after rebasing back to 0x70000000 is that startx 
sometimes hangs with CPU at 100% and cat.exe burning cycles.

What will the longterm fix for the rebase issue be in the cygwin distro?

Thanks,

Dick

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