X2Go Bug report logs - #516
X2go successfully connects to server, but no window is shown

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Message #5 received at submit@bugs.x2go.org (full text, mbox, reply):

From: sebastien chabrolles <s.chabrolles@fr.ibm.com>

To: submit@bugs.x2go.org

Subject: X2go successfully connects to server, but no window is shown

Date: Sat, 14 Jun 2014 22:23:10 +0200

[Message part 1 (text/plain, inline)]

Package: x2goserver
Version : 4.0.1.15

Package: x2goagent
Version : 3.5.0.24

Hello,

I'm using the latest package provided by fedora rawhide repo (v21) for 
x2goserver on IBM POWER8 Server (ppc64)

- Installation is ok without error
- Connexion from client to server is ok 
- But Nothing happen on the screen, I try several option (desktop, firefox 
browser, xterm), but no windows is shown and no errors in the logs.
- I also try a ssh -X connexion and try xterm command, erverything works, 
but not with x2go

Here is a copy of the session.log:

NXAGENT - Version 3.5.0

Copyright (C) 2001, 2011 NoMachine.
See http://www.nomachine.com/ for more information.

Info: Agent running with pid '3864'.
Session: Starting session at 'Sat Jun 14 20:26:54 2014'.
Info: Proxy running in server mode with pid '3864'.
Info: Waiting for connection from 'localhost' on port '30123'.
Info: Accepted connection from '127.0.0.1'.
Info: Connection with remote proxy completed.
Info: Using WAN link parameters 768/24/1/0.
Info: Using agent parameters 5000/5/50/0/0.
Info: Using cache parameters 4/4096KB/8192KB/8192KB.
Info: Using pack method '16m-png-9' with session 'unix-kde-depth_32'.
Info: Using ZLIB data compression 1/1/32.
Info: Using ZLIB stream compression 1/1.
Info: No suitable cache file found.
Info: Listening to X11 connections on display ':89'.
Info: Established X client connection.
Info: Using shared memory parameters 1/1/1/2048K.
Info: Using alpha channel in render extension.
Info: Not using local device configuration changes.
keyboard file created
SessionPath not defined
Session: Session started at 'Sat Jun 14 20:27:04 2014'.
Session: Terminating session at 'Sat Jun 14 20:35:09 2014'.
Info: Waiting the cleanup timeout to complete.
Session: Session terminated at 'Sat Jun 14 20:35:10 2014'.



Cordialement / Best Regards







Sébastien Chabrolles
Power Systems Benchmark Specialist
IBM Client Center, Montpellier 
1 rue vieille poste 34000 Montpellier FRANCE 
Tel +33 4 67 34 40 95
Email : s.chabrolles@fr.ibm.com

  

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Message #10 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: sebastien chabrolles <s.chabrolles@fr.ibm.com>, 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: X2go successfully connects to server, but no window is shown

Date: Sat, 14 Jun 2014 22:48:52 +0000

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HI Sebastien,

On  Sa 14 Jun 2014 22:23:10 CEST, sebastien chabrolles wrote:

> Package: x2goserver
> Version : 4.0.1.15
>
> Package: x2goagent
> Version : 3.5.0.24
>
> Hello,
>
> I'm using the latest package provided by fedora rawhide repo (v21) for
> x2goserver on IBM POWER8 Server (ppc64)
>
> - Installation is ok without error
> - Connexion from client to server is ok
> - But Nothing happen on the screen, I try several option (desktop, firefox
> browser, xterm), but no windows is shown and no errors in the logs.
> - I also try a ssh -X connexion and try xterm command, erverything works,
> but not with x2go
>
> Here is a copy of the session.log:
>
> NXAGENT - Version 3.5.0
>
> Copyright (C) 2001, 2011 NoMachine.
> See http://www.nomachine.com/ for more information.
>
> Info: Agent running with pid '3864'.
> Session: Starting session at 'Sat Jun 14 20:26:54 2014'.
> Info: Proxy running in server mode with pid '3864'.
> Info: Waiting for connection from 'localhost' on port '30123'.
> Info: Accepted connection from '127.0.0.1'.
> Info: Connection with remote proxy completed.
> Info: Using WAN link parameters 768/24/1/0.
> Info: Using agent parameters 5000/5/50/0/0.
> Info: Using cache parameters 4/4096KB/8192KB/8192KB.
> Info: Using pack method '16m-png-9' with session 'unix-kde-depth_32'.
> Info: Using ZLIB data compression 1/1/32.
> Info: Using ZLIB stream compression 1/1.
> Info: No suitable cache file found.
> Info: Listening to X11 connections on display ':89'.
> Info: Established X client connection.
> Info: Using shared memory parameters 1/1/1/2048K.
> Info: Using alpha channel in render extension.
> Info: Not using local device configuration changes.
> keyboard file created
> SessionPath not defined
> Session: Session started at 'Sat Jun 14 20:27:04 2014'.
> Session: Terminating session at 'Sat Jun 14 20:35:09 2014'.
> Info: Waiting the cleanup timeout to complete.
> Session: Session terminated at 'Sat Jun 14 20:35:10 2014'.
>
>
>
> Cordialement / Best Regards


There was at least one other size_t/socklen_t initialization issue  
(see [1]) that got fixed with a commit on Wednesday [2].

So, you may actually experience other unitialized memory issues with  
nx-libs 3.5.0.24.

Please use nx-libs from the nightly builds (or build it your self) and  
re-test with my fixes for the xtrans code in NX/X11. (xtrans is  
responsible to set up listening sockets for the X-Server as well as  
handle incoming connections).

Another issue may well be: does your Fedora PPC64 system use  
poly-instatiated /tmp directories? If so, then you want 3.5.0.25, as  
well.

Mike

[1]  
http://code.x2go.org/gitweb?p=nx-libs.git;a=blob;f=debian/patches/028_nx-X11_abstract-kernel-sockets.full.patch;h=ae672e94ba9d16e997a4df223a08cdb1d5ae1213;hb=656f29cc631972002ec0fe1ee8f2ee53438f818d
[2]  
http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=656f29cc631972002ec0fe1ee8f2ee53438f818d

-- 

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Message #15 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>, 516@bugs.x2go.org, sebastien chabrolles <s.chabrolles@fr.ibm.com>

Subject: Re: [X2Go-Dev] Bug#516: Bug#516: X2go successfully connects to server, but no window is shown

Date: Sun, 15 Jun 2014 05:55:29 +0200

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Hello Mike and Sebastien,

I hope I may answer.

* On 15.06.2014 12:48 am, Mike Gabriel wrote:
> Please use nx-libs from the nightly builds (or build it your self) and re-test with my fixes for the xtrans
code in NX/X11. (xtrans is responsible to set up listening sockets for the
X-Server as well as handle incoming connections).

I did. Built Fedora RPM packages for nx-libs based on today's git repo and
installed them.


> Another issue may well be: does your Fedora PPC64 system use poly-instatiated /tmp directories? If so, then you
want 3.5.0.25, as well.

No, the test system does not.

Still, the problem persists.

There's also not really any clue why this might be happening, either.

x2goserver's debug messages look all fine:

Jun 15 05:23:07 localhost /usr/bin/x2gostartagent: x2gostartagent called with
options: 800x600 wan 16m-png-9 unix-kde-depth_32 us query 0 R firefox
Jun 15 05:23:07 localhost /usr/bin/x2gosessionlimit[10364]: x2gosessionlimit has
been called
Jun 15 05:23:07 localhost /usr/bin/x2golistsessions[10367]: x2golistsessions has
been called with options: --all-servers
Jun 15 05:23:10 localhost /usr/bin/x2gofeature: x2gofeature called with options:
X2GO_RUN_EXTENSIONS
Jun 15 05:23:11 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features:
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Jun 15 05:23:11 localhost /usr/bin/x2goserver-run-extensions:
x2goserver-run-extensions called with options:
root-93-1402802588_stRfirefox_dp32 pre-start
Jun 15 05:23:11 localhost /usr/bin/x2gostartagent: successfully started X2Go
agent session with ID root-93-1402802588_stRfirefox_dp32
Jun 15 05:23:11 localhost /usr/bin/x2gofeature: x2gofeature called with options:
X2GO_RUN_EXTENSIONS
Jun 15 05:23:11 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features:
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Jun 15 05:23:11 localhost /usr/bin/x2goserver-run-extensions:
x2goserver-run-extensions called with options:
root-93-1402802588_stRfirefox_dp32 post-start
Jun 15 05:23:11 localhost /usr/bin/x2gostartagent: blocking creation of agent's
keyboard file /root/.x2go/C-root-93-1402802588_stRfirefox_dp32/keyboard as
requested by session startup command
Jun 15 05:23:16 localhost /usr/bin/x2goruncommand: x2goruncommand called with
options: 93 10575 root-93-1402802588_stRfirefox_dp32 30136 /usr/bin/firefox nosnd R
Jun 15 05:23:16 localhost /usr/bin/x2gofeature: x2gofeature called with options:
X2GO_RUN_EXTENSIONS
Jun 15 05:23:16 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features:
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Jun 15 05:23:16 localhost /usr/bin/x2goserver-run-extensions:
x2goserver-run-extensions called with options:
root-93-1402802588_stRfirefox_dp32 pre-runcommand
Jun 15 05:23:16 localhost /usr/bin/x2gomountdirs[10764]: x2gomountdirs has been
called with options: dir root-93-1402802588_stRfirefox_dp32 ionic
/root/.x2go/ssh/key.J82727
/Users/ionic/.x2go/S-root-93-1402802588_stRfirefox_dp32/spool__PRINT_SPOOL___REVERSESSH_PORT__30137
Jun 15 05:23:16 localhost /usr/bin/x2gosetkeyboard: x2gosetkeyboard called with
options:
Jun 15 05:23:16 localhost /usr/bin/x2gofeature: x2gofeature called with options:
X2GO_XSESSION
Jun 15 05:23:16 localhost /usr/bin/x2gosetkeyboard:
/root/.x2go/C-root-93-1402802588_stRfirefox_dp32/keyboard is blocked, not
setting keyboard parameters from client-side settings
Jun 15 05:23:16 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features:
x2goserver-extensions.features called with options: X2GO_XSESSION
Jun 15 05:23:16 localhost /usr/share/x2go/x2gofeature.d/x2goserver.features:
x2goserver.features called with options: X2GO_XSESSION
Jun 15 05:23:16 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features:
x2goserver-fmbindings.features called with options: X2GO_XSESSION
Jun 15 05:23:16 localhost
/usr/share/x2go/x2gofeature.d/x2goserver-xsession.features:
x2goserver-xsession.features called with options: X2GO_XSESSION
Jun 15 05:23:17 localhost /usr/bin/x2gomountdirs[10764]: successfully mounted
ionic@127.0.0.1:30137/Users/ionic/.x2go/S-root-93-1402802588_stRfirefox_dp32/spool
to /tmp/.x2go-root/spool/C-root-93-1402802588_stRfirefox_dp32


But there is one interesting bit in the C-... directory.

The "clients" contains those lines:

error opening security policy file /usr/lib64/nx/X11/xserver/SecurityPolicy
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Error:            Can't find file "null" for symbols include
>                   Exiting
>                   Abandoning symbols file "default"
> Error:            Cannot open "compiled/server-93.xkm" to write keyboard
description
>                   Exiting

We can ignore the first one.

This, however, leaves us with the xkbcomp errors.

I tried "debugging" that and /usr/bin/xkbcomp has indeed been called with "-w 1
-R/usr/share/X11/xkb -xkm - -em1 'The XKEYBOARD keymap compiler (xkbcomp)
reports:' -emp '>'  -eml 'Errors from xkbcomp are not fatal to the X server'
compiled/server-93.xkm"

Now, while normally xkbcomp errors may not be fatal to the X server, they could
be fatal to x2go. Is that true?

I can get rid of the first error ('Can't find file "null"') by forcing a
specific keyboard layout in x2goclient.

Further, I'm wondering why xkbcomp is called with "compiled/server-93.xkm" as
its output argument. To my understanding, xkbcomp should rather upload its
compiled xkbmap to the Xserver on display 93 (note that the value is within the
output file name) instead of writing it to a file. Am I mistaken?

Unfortunately, I have been unable to reproduce this on any of my other two
machines. I tried everything, from setting a specific keyboard value to sending
null/null as on the ppc64 machine, but my x86_64 machines never even called xkbcomp.

I've had a quick look at nx-libs sources and grepped for xkbcomp, but this
string is all over the place in the X11 sources, so getting some useful
information extracted is difficult.

Do YOU know, by any chance, when xkbcomp is supposed to be called?
As none of my machines are doing that, I suppose xkbcomp is not supposed to be
called at all?


I'll try to get a closer look at that later today, those were my initial findings.

Any input is appreciated.



Mihai
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Message #20 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, sebastien chabrolles <s.chabrolles@fr.ibm.com>

Subject: Re: [X2Go-Dev] Bug#516: X2go successfully connects to server, but no window is shown

Date: Fri, 20 Jun 2014 17:10:32 +0200

[Message part 1 (text/plain, inline)]

Hi,

Well, I have done quite some work.

The xkbcomp issue I've been seeing seems to be normal - other machines behave
the same. It was a missing directory (keymaps.dir) in /usr/share/X11/xkb on my
x86_64 machine that prevented xkbcomp from being called and a root-non-root
issue regarding the file location (/var/tmp/server-$DISPLAYNO.xkm vs.
compiled/server-$DISPLAYNO.xkm.)

Alas, none of these were critical or actually had any influence on the X server
as such. Both machines produces the same messages. So xkb was totally the wrong
thing to look at.

I have then compiled with even more debug info in nxproxy and nxagent to see
whether the problem is in the connection part between two machines.

I even straced the nxagent/x2goagent process to get some useful information out
of there. After going through a several megabytes big strace file, I ended up
seeing that both ppc64 and x86_64 are behaving the same establishing the
connection and everything is functional. Bummer, nothing on that front either.

There's no indication of what may be wrong. Not even with nxagent (being the X
server itself) compiled with -DDEBUG -DDEBUG_CMD -DNX_TRANS_TEST. This produces
quite a lot of messages every once in a place, but there's nothing regarding
being unable to create/show windows.

Not even starting another application from a shell via
DISPLAY=:<current-sessions-display-number> xeyes bring's anything to light.

At least X clients (programs) and server are constantly exchanging information,
so the missing window issue must be nested deep within the X server itself.

However, I have no idea where to look.

To make matters worse, attaching gdb to nxagent during normal operation is quite
impossible. As soon as nxagent is stopped for single-stepping through functions
and examining variables/code in detail, the (remote) nxproxy client will get a
timeout as it's not able to communicate with the agent anymore (well, sure,
we've just been stopping that for debugging...) and close the connection.

Pretty much the only way possible is print-debugging in the code.

I could live with that, had I at least any idea of where the problem could be.

Maybe finding the code drawing/creating a window would be interesting.

---

In other news, I can report that outgoing connections via x2goclient are working
just fine. I've been connecting to my ionic.de machine in order to start a
simple xterm from the ppc64 box and that worked flawlessly. How wouldn't it, as
"this way 'round" doesn't use the very old X server distributed with NX, but
actually the recent, known-to-work X server as shipped with Fedora.

Thus, it's really just a server-side issue.


Mihai

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Message #25 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, sebastien chabrolles <s.chabrolles@fr.ibm.com>

Cc: zbaur <postmaster@stefanbaur.de>

Subject: Re: [X2Go-Dev] Bug#516: Bug#516: X2go successfully connects to server, but no window is shown

Date: Fri, 20 Jun 2014 19:08:54 +0200

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Nevermind, we have a window!

But the colors are all off and redrawing is broken. More bugs wait to be
discovered. :)



Mihai

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Message #30 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 0/5] Introduction

Date: Sat, 21 Jun 2014 05:03:26 +0200

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The following five patches apply against the current nx-libs repository with the
other full+lite patches applied.

This one is required:

nxagent_Window.c-ppc64-create-windows.patch


Theses ones are optional, as they either don't add functionality if not building
nx-libs in debug mode or only have minimal impact in output, but I still
recommend applying:

dix_dixfonts.c-nxagent_X_NXdispatch.c_NXdixfonts.c-run-with-global-DEBUG.patch
nxagent_Keyboard.c-misc-logic.patch
nxagent_Render.c-run-with-TEST.patch
nxtrans_Xtranssock.c-big-endian-socklen.patch



Mihai

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Message #35 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5] Create Windows on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 05:15:43 +0200

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An endiannes issue was setting incorrect event masks when creating X11 windows.

This time, a smaller integer has been casted to a bigger one and passed to some
function actually setting its value.

This meant, that garbage from stack was attached to the smaller integer value,
putting unknown memory into the lower bytes of the bigger integer.

Fix this by creating a big, initialized temporary variable, let the function do
its magic on that one and pass the value back to the smaller variable -- and
cross your fingers the smaller variable can hold it without overrunning. (The
last bit is a design issue we can't really fix and has been around even before
this patch.)



Mihai

[nxagent_Window.c-ppc64-create-windows.patch (text/plain, attachment)]

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Message #40 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 2/5] Introduction

Date: Sat, 21 Jun 2014 05:19:17 +0200

[Message part 1 (text/plain, inline)]

Fix several compile errors when specifying -DDEBUG globally. Previous GCC
versions were more liberal and the code thus compiled.

Also initialize/reset a count variable correctly.

[dix_dixfonts.c-nxagent_X_NXdispatch.c_NXdixfonts.c-run-with-global-DEBUG.patch (text/plain, attachment)]

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Message #45 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 3/5] Error reporting logic in keyboard section.

Date: Sat, 21 Jun 2014 05:23:40 +0200

[Message part 1 (text/plain, inline)]

Don't print out nonsensical information, if there really was no error when
creating the keyboard file or the other way around.

Also add the reason when failing to create the keyboard file.

Lastly, only print an error message if SessionPath *really* is not defined.

[nxagent_Keyboard.c-misc-logic.patch (text/plain, attachment)]

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Message #50 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 4/5] Fix issues in TEST mode in NX modules.

Date: Sat, 21 Jun 2014 05:26:28 +0200

[Message part 1 (text/plain, inline)]

Check for pSrc->pDrawable to exist instead of having nxagent segfault when it
does not.

This enables the possibility of compiling all nxagent modules in TEST mode.

[nxagent_Render.c-run-with-TEST.patch (text/plain, attachment)]

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Message #55 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 5/5] Replace int with socklen_t and use the correct pointer version in nxtrans Xtranssock.c

Date: Sat, 21 Jun 2014 05:30:29 +0200

[Message part 1 (text/plain, inline)]

While the code was working before, I'd still rather use socklen_t instead of int
and not cast its address to void* but rather socklen_t*.

Don't change the SVR4/SCO section, as I have no means of testing that.

This patch is strictly speaking not necessary, but just a tiny bit cleaner
compared to before.

[nxtrans_Xtranssock.c-big-endian-socklen.patch (text/plain, attachment)]

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Message #60 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 2/5] Introduction

Date: Sat, 21 Jun 2014 05:32:27 +0200

[Message part 1 (text/plain, inline)]

The subject line should have spelled "Fix issues when globally enabling DEBUG
macro.", but you'll get the idea. Sorry for having forgotten to change the
subject line.

[smime.p7s (application/pkcs7-signature, attachment)]

Message #65 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: Mihai Moldovan <ionic@ionic.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5] Create Windows on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 20:26:52 +0000

[Message part 1 (text/plain, inline)]

Hi Mihai,

thanks for digging into this. I wish you could work more on NX!!! Good work!!!

On  Sa 21 Jun 2014 05:15:43 CEST, Mihai Moldovan wrote:

> An endiannes issue was setting incorrect event masks when creating  
> X11 windows.
>
> This time, a smaller integer has been casted to a bigger one and  
> passed to some
> function actually setting its value.
>
> This meant, that garbage from stack was attached to the smaller  
> integer value,
> putting unknown memory into the lower bytes of the bigger integer.
>
> Fix this by creating a big, initialized temporary variable, let the  
> function do
> its magic on that one and pass the value back to the smaller variable -- and
> cross your fingers the smaller variable can hold it without overrunning. (The
> last bit is a design issue we can't really fix and has been around  
> even before
> this patch.)

I have a question on this patch. While integrating it into the  
nx-libs.git repo, I realized, that it can be applied to Windows.c  
twice. Once at the position that you provide in the patch file,  
another (second) time around line 2895...

"""
mike@minobo:~/MyDocuments/4projects/x2go-upstream/nx-libs$ patch -p1 <  
nxagent_Window.c-ppc64-create-windows.patch
patching file nx-X11/programs/Xserver/hw/nxagent/Window.c
Hunk #1 succeeded at 2894 (offset 2559 lines).
"""

Maybe the same patch is needed at that second position?

Mike

-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

[Message part 2 (application/pgp-signature, inline)]

Message #70 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5] Create Windows on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 22:39:21 +0200

[Message part 1 (text/plain, inline)]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

* On 21.06.2014 10:26 pm, Mike Gabriel wrote:
> Maybe the same patch is needed at that second position?

No. It's needed in two other places, actually. I totally didn't catch that, sorry.

Let me test the changes and I'll get back with an updated patch.


Mihai
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Message #75 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: Mihai Moldovan <ionic@ionic.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5] Create Windows on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 21:09:09 +0000

[Message part 1 (text/plain, inline)]

Hi Mihai,

On  Sa 21 Jun 2014 22:39:21 CEST, Mihai Moldovan wrote:

> * On 21.06.2014 10:26 pm, Mike Gabriel wrote:
>> Maybe the same patch is needed at that second position?
>
> No. It's needed in two other places, actually. I totally didn't  
> catch that, sorry.
>
> Let me test the changes and I'll get back with an updated patch.

Ok. Cool.

I have everything in place and can rebase any more changes in once you  
send them.

Holding back git push for now...

Mike
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

[Message part 2 (application/pgp-signature, inline)]

Message #80 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: 516@bugs.x2go.org, Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5 v2] Create Windows and fix drawing issues on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 23:12:59 +0200

[Message part 1 (text/plain, inline)]

Multiple endiannes issues were setting incorrect event masks when creating and
drawing X11 windows.

This time, a smaller integer has been casted to a bigger one and passed to some
function actually setting its value.

This meant, that garbage from stack was attached to the smaller integer value,
putting unknown memory into the lower bytes of the bigger integer.

Fix this by creating a big, initialized temporary variable, let the function do
its magic on that one and pass the value back to the smaller variable -- and
cross your fingers the smaller variable can hold it without overrunning. (The
last bit is a design issue we can't really fix and has been around even before
this patch.)


This fixes window creation and redrawing/updating issues on Big Endian 64bit
systems.

[nxagent_Screen.c_Window.c-ppc64-et-al-sanitize-eventmasks.patch (text/plain, attachment)]

[smime.p7s (application/pkcs7-signature, attachment)]

Message #85 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: 516-submitter@bugs.x2go.org

Cc: control@bugs.x2go.org, 516@bugs.x2go.org

Subject: X2Go issue (in src:nx-libs) has been marked as pending for release

Date: Sat, 21 Jun 2014 23:21:52 +0200 (CEST)

tag #516 pending
fixed #516 2:3.5.0.25
thanks

Hello,

X2Go issue #516 (src:nx-libs) reported by you has been
fixed in X2Go Git. You can see the changelog below, and you can
check the diff of the fix at:

    http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=cfb1990

The issue will most likely be fixed in src:nx-libs (2:3.5.0.25).

light+love
X2Go Git Admin (on behalf of the sender of this mail)

---
commit cfb1990d4e845201182ef254da0ae9fe0536c616
Author: Mihai Moldovan <ionic@ionic.de>
Date:   Sat Jun 21 22:29:44 2014 +0200

    Add 057_nx-X11-bigendian-ppc64-no-session-window.patch. Fix failures in session windows coming up on Big Endian systems like PPC64. (Fixes: #516).

diff --git a/debian/changelog b/debian/changelog
index 47a74ec..f6d55fb 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,5 +1,13 @@
 nx-libs (2:3.5.0.25-0x2go1) UNRELEASED; urgency=low
 
+  [ Mihai Moldovan ]
+  * Add 029_nxcomp_ppc64.full+lite.patch. Fix sockaddr handling on
+    Big Endian systems (like PPC64). (Fixes: #515).
+  * Add 057_nx-X11-bigendian-ppc64-no-session-window.patch. Fix
+    failures in session windows coming up on Big Endian systems
+    like PPC64. (Fixes: #516).
+
+  [ Mike Gabriel ]
   * Add 606_nx-X11_build-on-aarch64.full.patch. Build on aarch64
     architectures. (Fixes: #490).
   * Add 027_nxcomp_abstract-X11-socket.full+lite.patch. In proxy mode "server"
@@ -16,10 +24,6 @@ nx-libs (2:3.5.0.25-0x2go1) UNRELEASED; urgency=low
     test for xkb/rules/base instead of testing for deprecated file
     xkb/keymap.dir. (Fixes: #40).
 
-  [ Mihai Moldovan ]
-  * Add 029_nxcomp_ppc64.full+lite.patch. Fix sockaddr handling on
-    Big Endian systems (like PPC64). (Fixes: #515).
-
  -- Mike Gabriel <mike.gabriel@das-netzwerkteam.de>  Wed, 07 May 2014 09:58:10 +0200
 
 nx-libs (2:3.5.0.24-0x2go1) unstable; urgency=low

Message #90 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: Mihai Moldovan <ionic@ionic.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5 v2] Create Windows and fix drawing issues on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 21:23:07 +0000

[Message part 1 (text/plain, inline)]

Hi Mihai,

On  Sa 21 Jun 2014 23:12:59 CEST, Mihai Moldovan wrote:

> Multiple endiannes issues were setting incorrect event masks when  
> creating and
> drawing X11 windows.
>
> This time, a smaller integer has been casted to a bigger one and  
> passed to some
> function actually setting its value.
>
> This meant, that garbage from stack was attached to the smaller  
> integer value,
> putting unknown memory into the lower bytes of the bigger integer.
>
> Fix this by creating a big, initialized temporary variable, let the  
> function do
> its magic on that one and pass the value back to the smaller variable -- and
> cross your fingers the smaller variable can hold it without overrunning. (The
> last bit is a design issue we can't really fix and has been around  
> even before
> this patch.)
>
>
> This fixes window creation and redrawing/updating issues on Big Endian 64bit
> systems.

Fixed patch included. However, unfortunately I forgot to rebase before  
pushing...

Mike
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

[Message part 2 (application/pgp-signature, inline)]

Message #102 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mihai Moldovan <ionic@ionic.de>

To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5 v2] Create Windows and fix drawing issues on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 23:35:26 +0200

[Message part 1 (text/plain, inline)]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

* On 21.06.2014 11:23 pm, Mike Gabriel wrote:
> Hi Mihai,
>
> On  Sa 21 Jun 2014 23:12:59 CEST, Mihai Moldovan wrote:
>
>> Multiple endiannes issues were setting incorrect event masks when creating and
>> drawing X11 windows.
>>
>> This time, a smaller integer has been casted to a bigger one and passed to some
>> function actually setting its value.
>>
>> This meant, that garbage from stack was attached to the smaller integer value,
>> putting unknown memory into the lower bytes of the bigger integer.
>>
>> Fix this by creating a big, initialized temporary variable, let the function do
>> its magic on that one and pass the value back to the smaller variable -- and
>> cross your fingers the smaller variable can hold it without overrunning. (The
>> last bit is a design issue we can't really fix and has been around even before
>> this patch.)
>>
>>
>> This fixes window creation and redrawing/updating issues on Big Endian 64bit
>> systems.
>
> Fixed patch included. However, unfortunately I forgot to rebase before pushing...

Thanks, Mike!

Unfortunately the "057_nx-X11-bigendian-ppc64-no-session-window.full.patch"
description is still the "old" one. Mind updating that?
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Message #107 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: Mihai Moldovan <ionic@ionic.de>

Cc: 516@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#516: [PATCH 1/5 v2] Create Windows and fix drawing issues on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 21:41:45 +0000

[Message part 1 (text/plain, inline)]

Hi Mihai,

On  Sa 21 Jun 2014 23:35:26 CEST, Mihai Moldovan wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> * On 21.06.2014 11:23 pm, Mike Gabriel wrote:
>> Hi Mihai,
>>
>> On  Sa 21 Jun 2014 23:12:59 CEST, Mihai Moldovan wrote:
>>
>>> Multiple endiannes issues were setting incorrect event masks when  
>>> creating and
>>> drawing X11 windows.
>>>
>>> This time, a smaller integer has been casted to a bigger one and  
>>> passed to some
>>> function actually setting its value.
>>>
>>> This meant, that garbage from stack was attached to the smaller  
>>> integer value,
>>> putting unknown memory into the lower bytes of the bigger integer.
>>>
>>> Fix this by creating a big, initialized temporary variable, let  
>>> the function do
>>> its magic on that one and pass the value back to the smaller  
>>> variable -- and
>>> cross your fingers the smaller variable can hold it without  
>>> overrunning. (The
>>> last bit is a design issue we can't really fix and has been around  
>>> even before
>>> this patch.)
>>>
>>>
>>> This fixes window creation and redrawing/updating issues on Big  
>>> Endian 64bit
>>> systems.
>>
>> Fixed patch included. However, unfortunately I forgot to rebase  
>> before pushing...
>
> Thanks, Mike!
>
> Unfortunately the "057_nx-X11-bigendian-ppc64-no-session-window.full.patch"
> description is still the "old" one. Mind updating that?

Done.

Mike
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb

[Message part 2 (application/pgp-signature, inline)]

Message #120 received at 516@bugs.x2go.org (full text, mbox, reply):

From: sebastien chabrolles <s.chabrolles@fr.ibm.com>

To: "Mihai Moldovan" <ionic@ionic.de>, "Mike Gabriel" <mike.gabriel@das-netzwerkteam.de>, "Stefan Baur" <newsgroups.mail2@stefanbaur.de>

Cc: "516@bugs.x2go.org" <516@bugs.x2go.org>

Subject: Re: [X2Go-Dev] Bug#516: Bug#516: [PATCH 1/5] Create Windows on Big Endian 64bit systems

Date: Sat, 21 Jun 2014 23:05:49 +0100

[Message part 1 (text/plain, inline)]

Hi all,

I just test on the Power8 system and It works !!!!!!!

Many thanks to all of you for your help; Especially to Mihai "the Endian bug killer" for his fantastic work. 

--- 
Sébastien Chabrolles 
Power Systems Benchmark Specialist
IBM Client Center, Montpellier 
1 rue vieille poste 34000 Montpellier FRANCE 
Tel +33 4 67 34 40 95 
Email : s.chabrolles@fr.ibm.com

> Le 21 juin 2014 à 22:30, "Mike Gabriel" <mike.gabriel@das-netzwerkteam.de> a écrit :
> 
> Hi Mihai,
> 
> thanks for digging into this. I wish you could work more on NX!!! Good work!!!
> 
> On  Sa 21 Jun 2014 05:15:43 CEST, Mihai Moldovan wrote:
> 
> > An endiannes issue was setting incorrect event masks when creating
> > X11 windows.
> >
> > This time, a smaller integer has been casted to a bigger one and
> > passed to some
> > function actually setting its value.
> >
> > This meant, that garbage from stack was attached to the smaller
> > integer value,
> > putting unknown memory into the lower bytes of the bigger integer.
> >
> > Fix this by creating a big, initialized temporary variable, let the
> > function do
> > its magic on that one and pass the value back to the smaller variable -- and
> > cross your fingers the smaller variable can hold it without overrunning. (The
> > last bit is a design issue we can't really fix and has been around
> > even before
> > this patch.)
> 
> I have a question on this patch. While integrating it into the
> nx-libs.git repo, I realized, that it can be applied to Windows.c
> twice. Once at the position that you provide in the patch file,
> another (second) time around line 2895...
> 
> """
> mike@minobo:~/MyDocuments/4projects/x2go-upstream/nx-libs$ patch -p1 <
> nxagent_Window.c-ppc64-create-windows.patch
> patching file nx-X11/programs/Xserver/hw/nxagent/Window.c
> Hunk #1 succeeded at 2894 (offset 2559 lines).
> """
> 
> Maybe the same patch is needed at that second position?
> 
> Mike
> 
> --
> 
> DAS-NETZWERKTEAM
> mike gabriel, herweg 7, 24357 fleckeby
> fon: +49 (1520) 1976 148
> 
> GnuPG Key ID 0x25771B31
> mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de
> 
> freeBusy:
> https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb
> _______________________________________________
> x2go-dev mailing list
> x2go-dev@lists.x2go.org
> http://lists.x2go.org/listinfo/x2go-dev

[Message part 2 (text/html, inline)]

Message #125 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: 516-submitter@bugs.x2go.org

Cc: control@bugs.x2go.org, 516@bugs.x2go.org

Subject: X2Go issue (in src:nx-libs) has been marked as closed

Date: Mon, 30 Jun 2014 14:24:40 +0200 (CEST)

close #516
thanks

Hello,

we are very hopeful that X2Go issue #516 reported by you
has been resolved in the new release (2:3.5.0.25) of the
X2Go source project »src:nx-libs«.

You can view the complete changelog entry of src:nx-libs (2:3.5.0.25)
below, and you can use the following link to view all the code changes
between this and the last release of src:nx-libs.

    http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=8d4317e7e4fccbe6906c5ba57b8d0101868f92f3;hp=460a3cb3911bbfb717d0259947fe05f68d964948

If you feel that the issue has not been resolved satisfyingly, feel
free to reopen this bug report or submit a follow-up report with
further observations described based on the new released version
of src:nx-libs.

Thanks a lot for contributing to X2Go!!!

light+love
X2Go Git Admin (on behalf of the sender of this mail)

---
X2Go Component: src:nx-libs
Version: 2:3.5.0.25-0x2go1
Status: RELEASE
Date: Mon, 30 Jun 2014 14:05:46 +0200
Fixes: 40 339 490 504 505 515 516
Changes: 
 nx-libs (2:3.5.0.25-0x2go1) RELEASED; urgency=low
 .
   [ Mihai Moldovan ]
   * Add 029_nxcomp_ppc64.full+lite.patch. Fix sockaddr handling on
     Big Endian systems (like PPC64). (Fixes: #515).
   * Add 057_nx-X11_sanitize-eventmasks.full.patch. Fix
     failures in session windows coming up on Big Endian systems
     like PPC64. (Fixes: #516).
   * Improve 105_nxagent_export-remote-keyboard-config.full.patch.
     Don't print out nonsensical information, if there really was
     no error when creating the keyboard file or the other way around.
     Also add the reason when failing to create the keyboard file.
     Only print an error message if SessionPath *really* is not defined.
   * Improve 028_nx-X11_abstract-kernel-sockets.full.patch. Make it more
     Big Endian robust by assigning correct types for socklen_t objects.
   * Add 990_fix-DEBUG-and-TEST-builds.full.patch. Fix debug builds (e.g.
     when globally setting -DDEBUG and -DTEST at build time).
 .
   [ Nito Martínez ]
   * Add 212_nxcomp_build-on-Android.patch. Fix FTBFS of nxproxy/nxcomp when
     build against the Android system. (Fixes: #339).
 .
   [ Oleksandr Shneyder ]
   * Add 210_nxagent_nxcomp_save_session_state.full+lite.patch. Save session
     state in path specified by "state" option in agent options file. If
     option is omitted, session state will not be saved. Session states are:
     STARTING, RUNNING, SUSPENDING, SUSPENDED, RESUMING, TERMINATING,
     TERMINATED.
   * Add 211_nxcomp_set_default_options.full+lite.patch. Set default arguments
     for options 'link' and 'pack' to avoid session damage by resuming with
     incorrect options file.
 .
   [ Mike Gabriel ]
   * Add 606_nx-X11_build-on-aarch64.full.patch. Build on aarch64
     architectures. (Fixes: #490).
   * Add 027_nxcomp_abstract-X11-socket.full+lite.patch. In proxy mode "server"
     let NX proxy attempt connecting to the abstract X11 socket first, and only
     fallback to the file system socket, if the abstract socket is not
     available. (Fixes: #505).
   * Add 028_nx-X11_abstract-kernel-sockets.full.patch. Provide abstract local
     socket support for Linux based systems. This patch pulls in abstract
     socket relevant code from xtrans 1.2.7. (Fixes: #504).
   * Add 302_nx-X11_xkbbasedir-detection.patch. For detecting XkbBaseDir
     test for xkb/rules/base instead of testing for deprecated file
     xkb/keymap.dir. (Fixes: #40).
   * Add 206_nxagent_clipboard-as-nxoption.full.patch. Make the clipboard
     option configurable in nxagent via NX options as addition to the
     command line parameter -clipboard. Note that the command line
     parameter overrides the clipboard NX option. Possible values are
     both or 1, client, server, none or 0.
 .
   * Update patches, to make them apply cleanly after above changes:
     + 220_nxproxy-bind-loopback-only.full+lite.patch
     + 016_nx-X11_install-location.debian.patch
     + 056_nx-X11-Werror-format-security.full.patch
     + 108_nxagent_wine-close-delay.full.patch
     + 300_nxagent_set-wm-class.full.patch
     + 320_nxagent_configurable-keystrokes.full.patch
 .
   * Rename patches to match our naming scheme:
     + 008_nxcomp_sa-restorer.full+lite.patch
     + 009_nxagent_add-man-page.full.patch
     + 009_nxproxy_add-man-page.full+lite.patch
     + 056_nx-X11_Werror-format-security.full.patch
     + 209_x2goagent_add-man-page.full.patch
     + 220_nxproxy_bind-loopback-only.full+lite.patch

Message #137 received at 516@bugs.x2go.org (full text, mbox, reply):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

To: 516-submitter@bugs.x2go.org

Cc: control@bugs.x2go.org, 516@bugs.x2go.org

Subject: X2Go issue (in src:nx-libs) has been marked as closed

Date: Mon, 30 Jun 2014 14:24:36 +0200 (CEST)

close #516
thanks

Hello,

we are very hopeful that X2Go issue #516 reported by you
has been resolved in the new release (2:3.5.0.25) of the
X2Go source project »src:nx-libs«.

You can view the complete changelog entry of src:nx-libs (2:3.5.0.25)
below, and you can use the following link to view all the code changes
between this and the last release of src:nx-libs.

    http://code.x2go.org/gitweb?p=nx-libs.git;a=commitdiff;h=be23e057f28a6624380a91d1ba36cbf5df6c3fff;hp=460a3cb3911bbfb717d0259947fe05f68d964948

If you feel that the issue has not been resolved satisfyingly, feel
free to reopen this bug report or submit a follow-up report with
further observations described based on the new released version
of src:nx-libs.

Thanks a lot for contributing to X2Go!!!

light+love
X2Go Git Admin (on behalf of the sender of this mail)

---
X2Go Component: src:nx-libs
Version: 2:3.5.0.25-0x2go1
Status: RELEASE
Date: Mon, 30 Jun 2014 14:05:46 +0200
Fixes: 40 339 490 504 505 515 516
Changes: 
 nx-libs (2:3.5.0.25-0x2go1) RELEASED; urgency=low
 .
   [ Mihai Moldovan ]
   * Add 029_nxcomp_ppc64.full+lite.patch. Fix sockaddr handling on
     Big Endian systems (like PPC64). (Fixes: #515).
   * Add 057_nx-X11_sanitize-eventmasks.full.patch. Fix
     failures in session windows coming up on Big Endian systems
     like PPC64. (Fixes: #516).
   * Improve 105_nxagent_export-remote-keyboard-config.full.patch.
     Don't print out nonsensical information, if there really was
     no error when creating the keyboard file or the other way around.
     Also add the reason when failing to create the keyboard file.
     Only print an error message if SessionPath *really* is not defined.
   * Improve 028_nx-X11_abstract-kernel-sockets.full.patch. Make it more
     Big Endian robust by assigning correct types for socklen_t objects.
   * Add 990_fix-DEBUG-and-TEST-builds.full.patch. Fix debug builds (e.g.
     when globally setting -DDEBUG and -DTEST at build time).
 .
   [ Nito Martínez ]
   * Add 212_nxcomp_build-on-Android.patch. Fix FTBFS of nxproxy/nxcomp when
     build against the Android system. (Fixes: #339).
 .
   [ Oleksandr Shneyder ]
   * Add 210_nxagent_nxcomp_save_session_state.full+lite.patch. Save session
     state in path specified by "state" option in agent options file. If
     option is omitted, session state will not be saved. Session states are:
     STARTING, RUNNING, SUSPENDING, SUSPENDED, RESUMING, TERMINATING,
     TERMINATED.
   * Add 211_nxcomp_set_default_options.full+lite.patch. Set default arguments
     for options 'link' and 'pack' to avoid session damage by resuming with
     incorrect options file.
 .
   [ Mike Gabriel ]
   * Add 606_nx-X11_build-on-aarch64.full.patch. Build on aarch64
     architectures. (Fixes: #490).
   * Add 027_nxcomp_abstract-X11-socket.full+lite.patch. In proxy mode "server"
     let NX proxy attempt connecting to the abstract X11 socket first, and only
     fallback to the file system socket, if the abstract socket is not
     available. (Fixes: #505).
   * Add 028_nx-X11_abstract-kernel-sockets.full.patch. Provide abstract local
     socket support for Linux based systems. This patch pulls in abstract
     socket relevant code from xtrans 1.2.7. (Fixes: #504).
   * Add 302_nx-X11_xkbbasedir-detection.patch. For detecting XkbBaseDir
     test for xkb/rules/base instead of testing for deprecated file
     xkb/keymap.dir. (Fixes: #40).
   * Add 206_nxagent_clipboard-as-nxoption.full.patch. Make the clipboard
     option configurable in nxagent via NX options as addition to the
     command line parameter -clipboard. Note that the command line
     parameter overrides the clipboard NX option. Possible values are
     both or 1, client, server, none or 0.
 .
   * Update patches, to make them apply cleanly after above changes:
     + 220_nxproxy-bind-loopback-only.full+lite.patch
     + 016_nx-X11_install-location.debian.patch
     + 056_nx-X11-Werror-format-security.full.patch
     + 108_nxagent_wine-close-delay.full.patch
     + 300_nxagent_set-wm-class.full.patch
     + 320_nxagent_configurable-keystrokes.full.patch
 .
   * Rename patches to match our naming scheme:
     + 008_nxcomp_sa-restorer.full+lite.patch
     + 009_nxagent_add-man-page.full.patch
     + 009_nxproxy_add-man-page.full+lite.patch
     + 056_nx-X11_Werror-format-security.full.patch
     + 209_x2goagent_add-man-page.full.patch
     + 220_nxproxy_bind-loopback-only.full+lite.patch

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