failed to activate core devices errors

failed to activate core devices errors

[katrin schmid]

hi,
i am trying to start XWin.exe
in any of the ways described here:
http://x.cygwin.com/docs/ug/using.html
and with just XWin.exe and ends in Sementation fault and failed to activate core devices errors.
I found several post disscussing this on the web but no solution.
Does somebody know?
Thanks,
katrin


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Re: failed to activate core devices errors

[vometia]

katrin schmid wrote:
> 
> i am trying to start XWin.exe
> in any of the ways described here:
> http://x.cygwin.com/docs/ug/using.html
> and with just XWin.exe and ends in Sementation fault and failed to
> activate core devices errors.
> I found several post disscussing this on the web but no solution.
> Does somebody know?
> 
I've just experienced what appears to be the same problem after an
unintentional update; exiting Cygwin and re-running setup so that I could
reinstall bash and the readline libs (which it complained about not being
able to overwrite since Cygwin was running at the time) fixed the problem I
was seeing.

I'm not certain you're experiencing exactly the same problem I had, but in
lieu of a better suggestion, it may be worth a try.
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Re: failed to activate core devices errors

[Mirko Vukovic]

On Fri, Feb 18, 2011 at 1:51 PM, Mirko Vukovic wrote:
>
>
> On Sat, Feb 5, 2011 at 9:22 AM, vometia wrote:
>>
>>
>> katrin schmid wrote:
>> >
>> > i am trying to start XWin.exe
>> > in any of the ways described here:
>> > http://x.cygwin.com/docs/ug/using.html
>> > and with just XWin.exe and ends in Sementation fault and failed to
>> > activate core devices errors.
>> > I found several post disscussing this on the web but no solution.
>> > Does somebody know?
>> >
>> I've just experienced what appears to be the same problem after an
>> unintentional update; exiting Cygwin and re-running setup so that I could
>> reinstall bash and the readline libs (which it complained about not being
>> able to overwrite since Cygwin was running at the time) fixed the problem
>> I
>> was seeing.
>>
>> I'm not certain you're experiencing exactly the same problem I had, but in
>> lieu of a better suggestion, it may be worth a try.
>> --
>>
>
> Same problem here.  It also ocurred after after a package update where I
> ignored the warning about replacing the `in-use-files'
>
> I tried reinstalling the xkbdcomp and xkeyboard-config packages, but that
> did not fix the problem.
> I then reinstalled the whole cygwin-xfree.  The problem remained.
>
> Mirko
>

I fixed this problem by reinstalling cygwin, cygwin-xfree and the
previous version of
xkeyboard-config: 1.8.1.

The latest version of xkeyboard-config (1.9-something), was causing
the same problem.

Mirko

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Re: failed to activate core devices errors

[katrin schmid]

hi,
thanks for the reply.
Swrast_dri.so didnt seems to be the problem in my case,
will try the XMing now. 
I followed this:
http://robust.cs.utep.edu/arch1-wiki/index.php/Setup_Xming_and_Cygwin#Installing_and_Configuring_the_Xming_X_Server
and got this:
C:\Users\katisss>xterm -display localhost:0
Warning: Cannot convert string "-adobe-helvetica-bold-r-normal--*-120-*-*-*-*-is
o8859-*" to type FontStruct
Warning: Cannot convert string "nil2" to type FontStruct
Warning: Missing charsets in String to FontSet conversion
xterm: cannot load font -misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-is
o10646-1
Do i need to install something?
Thanks,
katrin

-------- Original-Nachricht --------
> On Sat, Feb 05, 2011 at 01:57:38PM +0100, katrin schmid wrote:
> > hi,
> > i am trying to start XWin.exe
> > in any of the ways described here:
> > http://x.cygwin.com/docs/ug/using.html
> > and with just XWin.exe and ends in Sementation fault and failed to
> activate core devices errors.
> > I found several post disscussing this on the web but no solution.
> 
> You may have missed my posting of Jan 26, which follows.
> It mentions two solutions that both work for me:
> 
>  - rename /usr/lib/dri/swrast_dri.so
>  - rebase -d -b 0x70000000 -o 0x10000 /usr/lib/dri/swrast_dri.so
> 
> Before discovering them (from information given here on this list)
> I had a cruder workaround:
>  - use the XMing server instead
> 
> All the best,
> 
>   Reinier
> 
> | Date: Wed, 26 Jan 2011 14:24:47 +0100
> | Subject: Re: xorg-server-1.9.2-1 Fullscreen Issue
> | 
> | On Mon, Jan 24, 2011 at 05:48:44PM +0000, Jon TURNEY wrote:
> | > On 21/01/2011 04:38, Frederick D. Hansen wrote:
> | > > On Fri, 2010-11-19 at 13:37 +0000, Jon TURNEY wrote:
> | > >> On 18/11/2010 12:33, Frederick Hansen wrote:
> | > >>> Just FYI, after upgrading to xorg-server 1.9.2, any attempt to run
> in fullscreen results in an error.  Downgrading to version 1.8.2 seems to
> correct the issue.  Running either version in multiwindow also works.
> | > >>>
> | > >>> The contents of Xwin.log are shown below:
> | > >>>
> | > >>>
> | > >>> Welcome to the XWin X Server
> | > >>> Vendor: The Cygwin/X Project
> | > >>> Release: 1.9.2.0 (10902000)
> | > >>> Build Date: 2010-11-03
> | > >>>
> | > >>> XWin was started with the following command line:
> | > >>>
> | > >>> /usr/bin/XWin -fullscreen -depth 8 -clipboard -silent-dup-error 
> | 
> | By the way, on my machine, this is just:
> | 
> | X :0 -multiwindow 
> | 
> | > >> [snip]
> | > >>> [ 30091.406] (EE) XKB: Could not invoke xkbcomp
> | > >>> [ 30091.406] (EE) XKB: Couldn't compile keymap
> | > >>> [ 30091.406] XKB: Failed to compile keymap
> | > >>> [ 30091.406] Keyboard initialization failed. This could be a
> missing or incorrect setup of xkeyboard-config.
> | > >>> [ 30091.406] 
> | > >>> Fatal server error:
> | > >>> [ 30091.406] Failed to activate core devices.
> | 
> | This was the same for me.
> | 
> | > >> Are you sure that removing -fullscreen allows the X server to start
> properly?
> | 
> | I didn't have it in the first place.
> | 
> | > I use XP SP3.  I can't reproduce this problem.
> | > 
> | > The problem going away when you remove (and hence prevent from
> loading) the
> | > dynamically loaded swrast_dri.so *really* makes this look like a remap
> problem.
> | 
> | I'm on Windows 7.
> | Renaming /usr/lib/dri/swrast_dri.so fixed the problem for me.
> | 
> | I then renamed it back and ran rebase on it
> | with the defaults used in rebaseall.  X is still starting up.
> | 
> | I then created rebase.lst using the commands used in rebaseall.
> | /usr/lib/dri/swrast_dri.so is in there.
> | 
> | But I have run rebaseall immediately prior to starting X
> | and it was still failing to start.
> | 
> | So it does appear to be a rebase problem,
> | and I have no clue why rebaseall couldn't fix it.
> | (It was completing successfully.)
> | 
> | > There is some work upstream to remove this rather pointless fork/exec
> of
> | > xkbcomp and replace it with libxkbcommon, but that now seems unlikely
> to
> | > appear in X server 1.10.
> | 
> | > -- 
> | > Jon TURNEY
> | > Volunteer Cygwin/X X Server maintainer
> | 
> | -- 
> | Reinier Post
> | 
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Re: failed to activate core devices errors

[Jon TURNEY]

On 05/02/2011 23:42, katrin schmid wrote:
> thanks for the reply.
> Swrast_dri.so didnt seems to be the problem in my case,
> will try the XMing now. 
> I followed this:
> http://robust.cs.utep.edu/arch1-wiki/index.php/Setup_Xming_and_Cygwin#Installing_and_Configuring_the_Xming_X_Server

If you followed those instructions and got stuck, I suggest you contact the
author.

Just for the record, those instructions are a couple of years old, so the
advice given may be out of date.  Furthermore, the advice to install all
cygwin packages is not good advice.

> and got this:
> C:\Users\katisss>xterm -display localhost:0
> Warning: Cannot convert string "-adobe-helvetica-bold-r-normal--*-120-*-*-*-*-is
> o8859-*" to type FontStruct
> Warning: Cannot convert string "nil2" to type FontStruct
> Warning: Missing charsets in String to FontSet conversion
> xterm: cannot load font -misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-is
> o10646-1
> Do i need to install something?

This isn't the right place to get help with Xming, either.
Try the Xming website for directions.

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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Re: failed to activate core devices errors

[Reinier Post]

  Katrin and others,

Op do 10 februari 2011 om 17:12:55 (+0000) schreef jon.turney@dronecode.org.uk (Jon TURNEY):
> On 05/02/2011 23:42, katrin schmid wrote:
> > thanks for the reply.
> > Swrast_dri.so didnt seems to be the problem in my case,
> > will try the XMing now. 
> > I followed this:
> > http://robust.cs.utep.edu/arch1-wiki/index.php/Setup_Xming_and_Cygwin#Installing_and_Configuring_the_Xming_X_Server
> 
> If you followed those instructions and got stuck, I suggest you contact the
> author.

I suggested the XMing server as a workaround for XWin failing to start.
I think such a workaround is on-topic here.
(Meanwhile I have managed to fix that problem in two different ways,
 thanks to the advice on this list  - see my earlier message -
 but these fixes don't appear to work for Katrin.)

When I was using XMing, I just launched it from its own start menu item,
then started Cygwin bash and launched an xterm from it.  Once that worked,
I automated it into a shortcut - its target is:

  C:\cygwin\bin\nohup.exe /usr/bin/env PATH=/usr/bin DISPLAY=localhost:0
xterm -e tcsh

which leaves an ugly cmd shell on the screen,
but I didn't bother to fix that.

-- 
Reinier

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Re: failed to activate core devices errors

[Jon TURNEY]

On 05/02/2011 12:57, katrin schmid wrote:
> i am trying to start XWin.exe
> in any of the ways described here:
> http://x.cygwin.com/docs/ug/using.html
> and with just XWin.exe and ends in Sementation fault and failed to activate core devices errors.
> I found several post disscussing this on the web but no solution.
> Does somebody know?

I recently added this to the FAQ at [1].

Basically, assuming you have installed everything correctly, this problem is
caused by a failure in the cygwin DLL to fork another process for XWin to run
xkbcomp.

This isn't a bug in XWin, and there's very little I can do to fix it.

[1] http://x.cygwin.com/docs/faq/cygwin-x-faq.html#q-failed-to-compile-keymap

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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