X2Go Bug report logs - #807
PulseAudio dies when accessed, when x2goclient.exe is run on a Windows 2012 Terminal Server (within a native RDP desktop connection)

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

From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: submit@bugs.x2go.org

Subject: PulseAudio dies when accessed, when x2goclient.exe is run on a Windows 2012 Terminal Server (within a native RDP desktop connection)

Date: Sun, 08 Mar 2015 22:33:52 +0100

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Package: x2goclient
Version: 4.0.3.1

Situation:

Hardware:

Windows Server 2012, installed as Terminal Server
Debian Linux 7.8( Wheezy), installed as X2Go Server
Windows 7x64 Client


Connection scenario:

0) Windows 7 Client tries to play a local sound file.
   Result: Sound works just fine.

1) Windows 7 Client connects to Debian Linux 7.8 using X2GoClient.
   Result: Sound works just fine.

2) Windows 7 Client connects to Windows Server 2012 using RDP
   (mstsc.exe). *NOT* via X2Go's RDP proxy feature.
   Result: Sound works just fine.

3) Windows 7 Client, connected to Windows Server 2012 using RDP
   (mstsc.exe), again, *NOT* via X2Go's RDP proxy feature, tries to run
   X2GoClient *on the Windows Server 2012* *inside* the native RDP
   Session.
   Result: Sound fails for all things X2Go.

Analysis:

It seems that PulseAudio dies as soon as one tries to play sound.

The following are captures of the tasks running on the W2K12 server.


x2goclient running, no attempt to play a sound has been made:

PS C:\Users\Administrator> tasklist /fi "USERNAME eq DocThor"

Abbildname                     PID Sitzungsname       Sitz.-Nr.
Speichernutzung
========================= ======== ================ ===========
===============
rdpclip.exe                   3364 RDP-Tcp#2                  4
  6.108 K
taskhostex.exe                2368 RDP-Tcp#2                  4
  5.896 K
explorer.exe                  4008 RDP-Tcp#2                  4
 42.556 K
powershell.exe                4164 RDP-Tcp#2                  4
 70.336 K
conhost.exe                   4172 RDP-Tcp#2                  4
  7.396 K
pageant.exe                   4316 RDP-Tcp#2                  4
  4.252 K
x2goclient.exe                4356 RDP-Tcp#2                  4
 31.188 K
x2gohelper.exe                4376 RDP-Tcp#2                  4
  3.112 K
sshd.exe                      4408 RDP-Tcp#2                  4
  6.224 K
conhost.exe                   4416 RDP-Tcp#2                  4
  4.808 K
ctfmon.exe                    4432 RDP-Tcp#2                  4
  3.332 K
vcxsrv.exe                    4520 RDP-Tcp#2                  4
 40.400 K
nxproxy.exe                   4800 RDP-Tcp#2                  4
 11.588 K
conhost.exe                   4808 RDP-Tcp#2                  4
  2.920 K
pulseaudio.exe                2120 RDP-Tcp#2                  4
  7.876 K
conhost.exe                   3956 RDP-Tcp#2                  4
  2.972 K


x2goclient running, an attempt to play a sound has been made:

PS C:\Users\Administrator> tasklist /fi "USERNAME eq DocThor"

Abbildname                     PID Sitzungsname       Sitz.-Nr.
Speichernutzung
========================= ======== ================ ===========
===============
rdpclip.exe                   3364 RDP-Tcp#2                  4
  6.112 K
taskhostex.exe                2368 RDP-Tcp#2                  4
  5.896 K
explorer.exe                  4008 RDP-Tcp#2                  4
 43.920 K
powershell.exe                4164 RDP-Tcp#2                  4
 70.344 K
conhost.exe                   4172 RDP-Tcp#2                  4
  7.396 K
pageant.exe                   4316 RDP-Tcp#2                  4
  4.252 K
x2goclient.exe                4356 RDP-Tcp#2                  4
 31.228 K
x2gohelper.exe                4376 RDP-Tcp#2                  4
  3.112 K
sshd.exe                      4408 RDP-Tcp#2                  4
  6.300 K
conhost.exe                   4416 RDP-Tcp#2                  4
  4.808 K
ctfmon.exe                    4432 RDP-Tcp#2                  4
  3.344 K
vcxsrv.exe                    4520 RDP-Tcp#2                  4
 49.264 K
nxproxy.exe                   4800 RDP-Tcp#2                  4
 18.372 K
conhost.exe                   4808 RDP-Tcp#2                  4
  2.920 K

As you can see, pulseaudio.exe is gone.

I can see that this is a rather unusual use case, but still, I'd be
interested to know why PulseAudio fails us here.

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Message #10 received at 807@bugs.x2go.org (full text, mbox, reply):

From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: 807@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#807: PulseAudio dies when accessed, when x2goclient.exe is run on a Windows 2012 Terminal Server (within a native RDP desktop connection)

Date: Sun, 08 Mar 2015 22:41:25 +0100

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Note: This also occurs with
x2goclient-4.0.3.2-20150301

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Message #15 received at 807@bugs.x2go.org (full text, mbox, reply):

From: Michael DePaulo <mikedep333@gmail.com>

To: 807@bugs.x2go.org

Subject: Please record and send a PulseAudio debug log

Date: Sun, 8 Mar 2015 19:47:47 -0400

Please record and send a PulseAudio debug log.

You do not need to be using a debug build to do this:

1. Run x2goclient.exe with --debug
2. Reproduce this problem. You can exit x2goclient when done.
3. Assuming your %USERPROFILE% is C:\Users\mike.DEPAULO, look under
C:\Users\mike.DEPAULO\.x2go\pulse\
4. Sort the subfolders by date. The newest (or only) subfolder will
whose name begins with "tmp" contain the pulse.log file. This is the
droid we're looking for.

-Mike#2

Message #20 received at 807@bugs.x2go.org (full text, mbox, reply):

From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: 807@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#807: Bug#807: PulseAudio dies when accessed, when x2goclient.exe is run on a Windows 2012 Terminal Server (within a native RDP desktop connection)

Date: Mon, 09 Mar 2015 00:44:02 +0100

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Am 08.03.2015 um 22:41 schrieb Stefan Baur:
> Note: This also occurs with x2goclient-4.0.3.2-20150301

It also occurs with x2goclient-4.0.2.0.
It also occurs with x2goclient-4.0.1.2.
It does *not* occur with x2goclient-4.0.0.3.

4.0.0.3 has PulseAudio 0.9.6 and no x2gohelper.exe.
4.0.1.2 has PulseAudio 1.1 and no x2gohelper.exe.
4.0.2.0 has PulseAudio 5 and no x2gohelper.exe.

So I guess we can rule out x2gohelper.exe.

It may indeed be that it is because PA can't find a recording device.
Though what surprises me is that I've seen pulseaudio.exe is running
and running and running ... until I establish a connection.  However,
now, as I try to reproduce it with the older versions, it seems to die
immediately. :confused:

- -Stefan

- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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Message #25 received at 807@bugs.x2go.org (full text, mbox, reply):

From: Stefan Baur <X2Go-ML-1@baur-itcs.de>

To: 807@bugs.x2go.org

Subject: Re: [X2Go-Dev] Bug#807: Please record and send a PulseAudio debug log

Date: Mon, 09 Mar 2015 01:18:02 +0100

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Am 09.03.2015 um 00:47 schrieb Michael DePaulo:
> Please record and send a PulseAudio debug log.
> 
> You do not need to be using a debug build to do this:
> 
> 1. Run x2goclient.exe with --debug 2. Reproduce this problem. You
> can exit x2goclient when done. 3. Assuming your %USERPROFILE% is
> C:\Users\mike.DEPAULO, look under 
> C:\Users\mike.DEPAULO\.x2go\pulse\ 4. Sort the subfolders by date.
> The newest (or only) subfolder will whose name begins with "tmp"
> contain the pulse.log file. This is the droid we're looking for.

Here you go:

I: [(null)] pulsecore/core-util.c: Successfully gained high priority
class.
I: [(null)] daemon/main.c: This is PulseAudio 5.0
D: [(null)] daemon/main.c: Compilation host: i686-w64-mingw32
D: [(null)] daemon/main.c: Compilation CFLAGS: -O2 -g -pipe -Wall
- -fexceptions --param=ssp-buffer-size=4 -mms-bitfields -W -Wextra
- -Wno-long-long -Wno-overlength-strings -Wunsafe-loop-optimizations
- -Wundef -Wformat=2 -Wlogical-op -Wsign-compare -Wformat-security
- -Wmissing-include-dirs -Wformat-nonliteral -Wpointer-arith -Winit-self
- -Wdeclaration-after-statement -Wfloat-equal -Wmissing-prototypes
- -Wredundant-decls -Wmissing-declarations -Wmissing-noreturn -Wshadow
- -Wendif-labels -Wcast-align -Wstrict-aliasing -Wwrite-strings
- -Wno-unused-parameter -ffast-math -fno-common -fdiagnostics-show-option
D: [(null)] daemon/main.c: Running on host: Windows 6.2 (9200)
D: [(null)] daemon/main.c: Found 1 CPUs.
I: [(null)] daemon/main.c: Page size is 4096 bytes
D: [(null)] daemon/main.c: Compiled with Valgrind support: no
D: [(null)] daemon/main.c: Running in valgrind mode: no
D: [(null)] daemon/main.c: Running in VM: yes
D: [(null)] daemon/main.c: Optimized build: yes
D: [(null)] daemon/main.c: FASTPATH defined, only fast path asserts
disabled.
I: [(null)] daemon/main.c: Machine ID is Server2012.
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.
I: [(null)] daemon/main.c: Using runtime directory
C:\Users\DocThor\X2GO~1\pulse\.pulse\Server2012-runtime.
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.
I: [(null)] daemon/main.c: Using state directory
C:\Users\DocThor\X2GO~1\pulse\.pulse.
I: [(null)] daemon/main.c: Using modules directory C:\Program Files
(x86)\x2goclient\pulse\lib\pulse-5.0\modules.
I: [(null)] daemon/main.c: Running in system mode: no
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.
I: [(null)] daemon/main.c: Fresh high-resolution timers available! Bon
appetit!
W: [(null)] pulsecore/core.c: failed to allocate shared memory pool.
Falling back to a normal memory pool.
D: [(null)] pulsecore/memblock.c: Using private memory pool with 1024
slots of size 64,0 KiB each, total size is 64,0 MiB, maximum usable
slot size is 65496
I: [(null)] pulsecore/cpu-x86.c: CPU flags: CMOV MMX SSE SSE2 SSE3
I: [(null)] pulsecore/svolume_mmx.c: Initialising MMX optimized volume
functions.
I: [(null)] pulsecore/remap_mmx.c: Initialising MMX optimized remappers.
I: [(null)] pulsecore/svolume_sse.c: Initialising SSE2 optimized
volume functions.
I: [(null)] pulsecore/remap_sse.c: Initialising SSE2 optimized remappers.
I: [(null)] pulsecore/sconv_sse.c: Initialising SSE2 optimized
conversions.
I: [(null)] pulsecore/svolume_orc.c: Initialising ORC optimized volume
functions.
D: [(null)] pulsecore/cli-command.c: Parsing script
'C:\Users\DocThor\X2GO~1\pulse\tmp.Hp2756\config.pa'
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.
I: [(null)] pulsecore/module.c: Loaded "module-native-protocol-tcp"
(index: #0; argument: "port=4713
auth-cookie=C:\\Users\\DocThor\\X2GO~1\\pulse\\.pulse-cookie").
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.
I: [(null)] pulsecore/module.c: Loaded "module-esound-protocol-tcp"
(index: #1; argument: "port=4714").
W: [(null)] modules/module-waveout.c: Sample spec not supported by
WaveIn, falling back to default sample rate.
E: [(null)] modules/module-waveout.c: Failed to open WaveIn.
E: [(null)] modules/module-waveout.c: Error: A device ID has been used
that is out of range for your system.
E: [(null)] pulsecore/module.c: Failed to load module "module-waveout"
(argument: ""): initialization failed.
E: [(null)] daemon/main.c: Module load failed.
E: [(null)] daemon/main.c: Failed to initialize daemon.
I: [(null)] pulsecore/module.c: Unloading "module-esound-protocol-tcp"
(index: #1).
I: [(null)] pulsecore/module.c: Unloaded "module-esound-protocol-tcp"
(index: #1).
I: [(null)] pulsecore/module.c: Unloading "module-native-protocol-tcp"
(index: #0).
I: [(null)] pulsecore/module.c: Unloaded "module-native-protocol-tcp"
(index: #0).
I: [(null)] daemon/main.c: Daemon terminated.
W: [(null)] pulsecore/core-util.c: Secure directory creation not
supported on Win32.



- -- 
BAUR-ITCS UG (haftungsbeschränkt)
Geschäftsführer: Stefan Baur
Eichenäckerweg 10, 89081 Ulm | Registergericht Ulm, HRB 724364
Fon/Fax 0731 40 34 66-36/-35 | USt-IdNr.: DE268653243
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