24 Jan
2024
24 Jan
'24
2:50 p.m.
Hi all!
I jus ran into an interesting problem when running inside VirtualBox: I created a
installation that works perfectly fine. Then I created a live iso from this installation
using refractasnapshot. Booting that iso seads to two instances of dcopserver beeing
started --> mouse an keyboard are non operational. When I remove ~/.DCOP* and then
"killall dcopserver" then Xorg testarts and I end with a perfectly working TDE.
So, does anybody have any idea what causes dcopseerver to spawn twice? Or better said, why
$TDEDIR/bin/dcopserver_shutdown in starttde does leave a running dcopserver instance?
Nik
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25 Jan
25 Jan
8:15 a.m.
Dr. Nikolaus Klepp via tde-users wrote:
I jus ran into an interesting problem when running
inside VirtualBox: I
created a installation that works perfectly fine. Then I created a live
iso from this installation using refractasnapshot. Booting that iso seads
to two instances of dcopserver beeing started --> mouse an keyboard are
non operational. When I remove ~/.DCOP* and then "killall dcopserver" then
Xorg testarts and I end with a perfectly working TDE.
I have also two instances - the one is started by root and the other by the
user.
8:49 a.m.
Anno domini 2024 Thu, 25 Jan 09:15:00 +0100
deloptes via tde-users scripsit:
Dr. Nikolaus Klepp via tde-users wrote:
Interesting. I have only one for my user - exept when things don't work, then I have
two for my user.
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I jus ran into an interesting problem when
running inside VirtualBox: I
created a installation that works perfectly fine. Then I created a live
iso from this installation using refractasnapshot. Booting that iso seads
to two instances of dcopserver beeing started --> mouse an keyboard are
non operational. When I remove ~/.DCOP* and then "killall dcopserver" then
Xorg testarts and I end with a perfectly working TDE.
I have also two instances - the one is started by root and the other by the
user.
11:49 p.m.
Dr. Nikolaus Klepp via tde-users wrote:
may be it is so because I did xhost +local:0 recently to run something as
root
I have also
two instances - the one is started by root and the other by
the user.
Interesting. I have only one for my user - exept when things don't work,
then I have two for my user.
26 Jan
26 Jan
8:24 a.m.
Anno domini 2024 Fri, 26 Jan 00:49:15 +0100
deloptes via tde-users scripsit:
may be it is so because I did xhost +local:0 recently
to run something as
root
Well, tdm is configured as autologon. When the live image starts and tdm starts it runs
starttde in the user context which spawn 2 instances of dcop. As this only happens in
VirtualBox+live image (the "original" runs inside of Virtualbox without live
image and is working perfectly fine) I meanwile suspect a side effect of VirtualBox ...
but what causes it?
Nik
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11:37 p.m.
Dr. Nikolaus Klepp via tde-users wrote:
Well, tdm is configured as autologon. When the live
image starts and tdm
starts it runs starttde in the user context which spawn 2 instances of
dcop. As this only happens in VirtualBox+live image (the "original" runs
inside of Virtualbox without live image and is working perfectly fine) I
meanwile suspect a side effect of VirtualBox ... but what causes it?
I see it on the PC, on the VBox and in VMWare. the parent is started by root
and the child is running as the logged in user. To me it looks like the
parent process is started by root, so that it can run the child process as
the logged in user (like sshd or apache2 or any other application that
needs spawning child as a common user)
I couldn't find the place in the code where it does that (under 3min).
BR
27 Jan
27 Jan
10:10 a.m.
Anno domini 2024 Sat, 27 Jan 00:37:40 +0100
deloptes via tde-users scripsit:
Dr. Nikolaus Klepp via tde-users wrote:
But you use a systemd based distribution, not sysv. As dcopserver leaves it's imprint
in the users home directory I wonder if it gets started for TDM for root and is left over
when your user session starts (that "seat" thingie).
I have a different situation: two instances of dcopserver are running, the
"footprint" in the users home directory is:
.DCOPserver_neo_:0 -> /home/nik/.DCOPserver_neo__0
.DCOPserver_neo__0
.DCOPserver_neo_:1 -> /home/nik/.DCOPserver_neo__1
.DCOPserver_neo__1
.. where the "0" links are created before the "1" links, but the
"0" dcopserver is nonresponsive till the "1" has finished it's
startup. twm talks to the "1", but mouse+keyboard talk to the "0"
--> everything works but mouse and keyboard - which is kind of bad.
Nik
Well, tdm is configured as autologon. When the
live image starts and tdm
starts it runs starttde in the user context which spawn 2 instances of
dcop. As this only happens in VirtualBox+live image (the "original" runs
inside of Virtualbox without live image and is working perfectly fine) I
meanwile suspect a side effect of VirtualBox ... but what causes it?
I see it on the PC, on the VBox and in VMWare. the parent is started by root
and the child is running as the logged in user. To me it looks like the
parent process is started by root, so that it can run the child process as
the logged in user (like sshd or apache2 or any other application that
needs spawning child as a common user)
I couldn't find the place in the code where it does that (under 3min).
BR
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9:24 p.m.
Dr. Nikolaus Klepp via tde-users wrote:
.. where the "0" links are created before
the "1" links, but the "0"
dcopserver is nonresponsive till the "1" has finished it's startup. twm
talks to the "1", but mouse+keyboard talk to the "0" -->
everything works
but mouse and keyboard - which is kind of bad.
And did you try to remove them? I mean logout remove then and login?
Also is not 0 the local DISPLAY?
Very strange indeed
Here it says
$ export | grep DISPL
declare -x DISPLAY=":0"
I don't know, but if it is VBox, that you are using, what is the situation
with the display - perhaps it is worth checking something using :0 and TDE
spawns a new one.
10:55 p.m.
Anno domini 2024 Sat, 27 Jan 22:24:35 +0100
deloptes via tde-users scripsit:
Dr. Nikolaus Klepp via tde-users wrote:
I can remove them (I put them on the not-to-be-included-list for refractasnapshop, too),
but they get recreated when the two dcopserver-instances start. Sometimes (1/10) I get ine
instance and everything works fine, so it's not 100% deterministic.
.. where the "0" links are created
before the "1" links, but the "0"
dcopserver is nonresponsive till the "1" has finished it's startup. twm
talks to the "1", but mouse+keyboard talk to the "0" -->
everything works
but mouse and keyboard - which is kind of bad.
And did you try to remove them? I mean logout remove then and login? Also is not 0 the local DISPLAY?
Very strange indeed
Here it says
$ export | grep DISPL
declare -x DISPLAY=":0"
I don't think they have anything to do with the display variable. The number increases
with each onstance of dcopserver.
I don't know, but if it is VBox, that you are
using, what is the situation
with the display - perhaps it is worth checking something using :0 and TDE
spawns a new one.
TDE is running iside the guest, but that's isolated. And it's running on the host,
too, but they don't see each other.
Nik
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30 Jan
30 Jan
6:16 p.m.
On 2024-27-01 16:55:34 Dr. Nikolaus Klepp via tde-users wrote:
Anno domini 2024 Sat, 27 Jan 22:24:35 +0100
deloptes via tde-users scripsit:
I have had this problem off and on (mostly on) for a long time (see my prior
posts about DCOP usage), but never had a resolution. I am not running any
VMs, so I think that is a red herring.
Leslie
--
Platform: Linux
Distribution: openSUSE Leap 15.4 - x86_64
Desktop Environment: Trinity
Qt: 3.5.0
TDE: R14.1.1
tde-config: 1.0
Dr. Nikolaus Klepp via tde-users wrote:
I can remove them (I put them on the not-to-be-included-list for
refractasnapshop, too), but they get recreated when the two
dcopserver-instances start. Sometimes (1/10) I get ine instance and
everything works fine, so it's not 100% deterministic.
.. where the "0" links are created
before the "1" links, but the "0"
dcopserver is nonresponsive till the "1" has finished it's startup. twm
talks to the "1", but mouse+keyboard talk to the "0" -->
everything
works but mouse and keyboard - which is kind of bad.
And did you try to remove them? I mean logout remove then and login? Also is not 0 the local DISPLAY?
Very strange indeed
Here it says
$ export | grep DISPL
declare -x DISPLAY=":0"
I don't think they have anything to do with the display variable. The
number increases with each onstance of dcopserver.
I don't know, but if it is VBox, that you are
using, what is the
situation with the display - perhaps it is worth checking something using
:0 and TDE spawns a new one.
TDE is running iside the guest, but that's isolated. And it's running on
the host, too, but they don't see each other.
Nik
6:38 p.m.
Anno domini 2024 Tue, 30 Jan 12:16:47 -0600
Leslie Turriff via tde-users scripsit:
I have had this problem off and on (mostly on) for a long time (see my prior
posts about DCOP usage), but never had a resolution. I am not running any
VMs, so I think that is a red herring.
Here it's only happening inside the VM Guest when it's booting a live iso - so
quite mysterious. Unfortunately I did not succeed with further investigation.
Nik
I don't know, but if it is VBox, that you are
using, what is the
situation with the display - perhaps it is worth checking something using
:0 and TDE spawns a new one.
TDE is running iside the guest, but that's isolated. And it's running on
the host, too, but they don't see each other.
Nik
Leslie
--
Platform: Linux
Distribution: openSUSE Leap 15.4 - x86_64
Desktop Environment: Trinity
Qt: 3.5.0
TDE: R14.1.1
tde-config: 1.0
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days inactive
332
days old
10 comments
3 participants
participants (3)
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deloptes -
Dr. Nikolaus Klepp -
Leslie Turriff