Daemon thread still alive when the environment is closed

I'm using the replication framework with the Java API in an OSGi container (equinox). I notice that when I'm closing the environment there is a deamon thread still alive. Each time I start a new replication environment and shut it down, one more daemon thread is added (and still running).
Is there a way to close the replication framework and all their associated threads?
I'm using BDB 4.7.25 - windows
thanks
dong

Hi Dong,
I don't know of a way to force the removal of the daemon thread(s).
I believe that the thread is actually gone - as long as you are closing down the environment cleanly. The alternative to using daemon threads is to ensure that DetachCurrentThread is called by the JNI layer for each thread. Given the way the Berkeley DB Java API is implemented, that is not feasible.
Are the additional threads causing issues?
Regards,
Alex

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I am trying to prevent my laptop (a System76 Lemur Ultra 3) from suspending when the lid is closed. No matter what I change in the configuration, the laptop always suspends when the lid is closed. The output of journalctl is as follows after this happens:
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The first thing I did was to disable systemd's acpi features by setting /etc/systemd/logind.conf as follows:
# This file is part of systemd.
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See logind.conf(5) for details
[Login]
#NAutoVTs=6
#ReserveVT=6
#KillUserProcesses=no
#KillOnlyUsers=
#KillExcludeUsers=root
#Controllers=
#ResetControllers=cpu
#InhibitDelayMaxSec=5
HandlePowerKey=ignore
HandleSuspendKey=ignore
HandleHibernateKey=ignore
HandleLidSwitch=ignore
#PowerKeyIgnoreInhibited=no
#SuspendKeyIgnoreInhibited=no
#HibernateKeyIgnoreInhibited=no
#LidSwitchIgnoreInhibited=yes
IdleAction=suspend
IdleActionSec=45min
However, the behavior was the same as before. I also tried setting
LidSwitchIgnoreInhibited=no
but after reading man 5 logind.conf it seems that this is unnecessary (and it had no effect when I tried it).
acpid is also installed but I have commented out the contents of /etc/acpi/handler.sh as well as all the scripts in /etc/acpi/actions. I noticed that there is also a UPower daemon which was installed as a dependency and thought that it might be triggering the suspend. I tried setting
IgnoreLid=true
in /etc/UPower/UPower.conf but this also had no effect.
systemctl list-units has the following output:
UNIT LOAD ACTIVE SUB DESCRIPTION
proc-sys-fs-binfmt_misc.automount loaded active waiting Arbitrary Executable File Formats File System Automount Point
sys-devices-pci0000:00-0000:00:1b.0-sound-card0.device loaded active plugged /sys/devices/pci0000:00/0000:00:1b.0/sound/card0
sys-devices-pci0000:00-0000:00:1c.2-0000:02:00.0-net-wlan0.device loaded active plugged /sys/devices/pci0000:00/0000:00:1c.2/0000:02:00.0/net/wlan0
sys-devices-pci0000:00-0000:00:1c.3-0000:03:00.0-net-eth0.device loaded active plugged /sys/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/net/eth0
sys-devices-pci0000:00-0000:00:1d.0-usb2-2\x2d1-2\x2d1.2-2\x2d1.2.1-2\x2d1.2.1.1-2\x2d1.2.1.1.1-2\x2d1.2.1.1.1:1.2-sound-card1.device loaded active plugged 0819
sys-devices-pci0000:00-0000:00:1d.0-usb2-2\x2d1-2\x2d1.2-2\x2d1.2.1-2\x2d1.2.1.3.device loaded active plugged Deskjet_5400_series
sys-devices-pci0000:00-0000:00:1f.2-ata1-host0-target0:0:0-0:0:0:0-block-sda-sda1.device loaded active plugged ST9500420AS
sys-devices-pci0000:00-0000:00:1f.2-ata1-host0-target0:0:0-0:0:0:0-block-sda-sda2.device loaded active plugged ST9500420AS
sys-devices-pci0000:00-0000:00:1f.2-ata1-host0-target0:0:0-0:0:0:0-block-sda.device loaded active plugged ST9500420AS
sys-devices-pci0000:00-0000:00:1f.2-ata3-host2-target2:0:0-2:0:0:0-block-sr0.device loaded active plugged TSSTcorp_CDDVDW_SN-208AB
sys-devices-platform-serial8250-tty-ttyS0.device loaded active plugged /sys/devices/platform/serial8250/tty/ttyS0
sys-devices-platform-serial8250-tty-ttyS1.device loaded active plugged /sys/devices/platform/serial8250/tty/ttyS1
sys-devices-platform-serial8250-tty-ttyS2.device loaded active plugged /sys/devices/platform/serial8250/tty/ttyS2
sys-devices-platform-serial8250-tty-ttyS3.device loaded active plugged /sys/devices/platform/serial8250/tty/ttyS3
sys-module-configfs.device loaded active plugged /sys/module/configfs
sys-subsystem-net-devices-eth0.device loaded active plugged /sys/subsystem/net/devices/eth0
sys-subsystem-net-devices-wlan0.device loaded active plugged /sys/subsystem/net/devices/wlan0
-.mount loaded active mounted /
dev-hugepages.mount loaded active mounted Huge Pages File System
dev-mqueue.mount loaded active mounted POSIX Message Queue File System
media-usbhd\x2dsda1.mount loaded active mounted /media/usbhd-sda1
sys-kernel-config.mount loaded active mounted Configuration File System
sys-kernel-debug.mount loaded active mounted Debug File System
tmp.mount loaded active mounted Temporary Directory
cups.path loaded active waiting CUPS Printer Service Spool
systemd-ask-password-console.path loaded active waiting Dispatch Password Requests to Console Directory Watch
systemd-ask-password-wall.path loaded active waiting Forward Password Requests to Wall Directory Watch
acpid.service loaded active running ACPI event daemon
atd.service loaded active running ATD daemon
cronie.service loaded active running Periodic Command Scheduler
cups.service loaded active running CUPS Printing Service
dbus.service loaded active running D-Bus System Message Bus
[email protected] loaded active running Getty on tty1
laptop-mode.service loaded active exited Laptop Mode Tools
polkit.service loaded active running Authorization Manager
postfix.service loaded active running Postfix Mail Transport Agent
systemd-journald.service loaded active running Journal Service
systemd-logind.service loaded active running Login Service
systemd-modules-load.service loaded active exited Load Kernel Modules
systemd-remount-fs.service loaded active exited Remount Root and Kernel File Systems
systemd-sysctl.service loaded active exited Apply Kernel Variables
systemd-tmpfiles-setup.service loaded active exited Recreate Volatile Files and Directories
systemd-udev-trigger.service loaded active exited udev Coldplug all Devices
systemd-udevd.service loaded active running udev Kernel Device Manager
systemd-user-sessions.service loaded active exited Permit User Sessions
systemd-vconsole-setup.service loaded active exited Setup Virtual Console
upower.service loaded active running Daemon for power management
wicd.service loaded active running Wicd a wireless and wired network manager for Linux
acpid.socket loaded active listening ACPID Listen Socket
cups.socket loaded active running CUPS Printing Service Sockets
dbus.socket loaded active running D-Bus System Message Bus Socket
dmeventd.socket loaded active listening Device-mapper event daemon FIFOs
lvmetad.socket loaded active listening LVM2 metadata daemon socket
systemd-initctl.socket loaded active listening /dev/initctl Compatibility Named Pipe
systemd-journald.socket loaded active running Journal Socket
systemd-shutdownd.socket loaded active listening Delayed Shutdown Socket
systemd-udevd-control.socket loaded active listening udev Control Socket
systemd-udevd-kernel.socket loaded active running udev Kernel Socket
basic.target loaded active active Basic System
cryptsetup.target loaded active active Encrypted Volumes
getty.target loaded active active Login Prompts
graphical.target loaded active active Graphical Interface
local-fs-pre.target loaded active active Local File Systems (Pre)
local-fs.target loaded active active Local File Systems
multi-user.target loaded active active Multi-User
network.target loaded active active Network
printer.target loaded active active Printer
remote-fs.target loaded active active Remote File Systems
sockets.target loaded active active Sockets
sound.target loaded active active Sound Card
suspend.target loaded active active Suspend
swap.target loaded active active Swap
sysinit.target loaded active active System Initialization
systemd-tmpfiles-clean.timer loaded active waiting Daily Cleanup of Temporary Directories
LOAD = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB = The low-level unit activation state, values depend on unit type.
74 loaded units listed. Pass --all to see loaded but inactive units, too.
To show all installed unit files use 'systemctl list-unit-files'.
Any ideas on what might be causing the system to suspend when the lid is closed would be appreciated.
Thanks
Last edited by Superposition (2013-02-21 15:48:06)

qinohe wrote:You don't have to disable acpi!
Since you made the complete switch to systemd, why not let systemd handle this kind of events?
I was referring to the suggestion of setting acpi=off on the kernel line. systemd can only run a few preset actions on events like lid close (e.g. suspend, poweroff, ignore, etc.). I need to run custom scripts. Also, for some reason I still do not fully understand, it was not working properly. The log in my original post seems to show that it was initiating the suspend.
qinohe wrote:
progandy wrote:Yes, it is easier, but my laptop should react differently depending on the power source. With AC power lid-switch locks the screen, in battery mode it suspends. That is impossible with systemd.
Yes you need something like laptop-mode-tools for that, I know systemd will not do that, for now.
But that is not the issue here!, the issue here is that the llid-switch-button' shouldn't be used at all.
For as far as possible I would still recommend systemd to handle your events!, but it's your decision finally!
You need acpid for that not laptop-mode-tools. This is exactly what apcid is for --- running user scripts on ACPI events.
Anyway, I finally have this fixed though I still have no idea what the problem was. I ran out of ideas on how to fix it and #archlinux didn't know either so I went the painful but sure route. I did full reinstall and reinstalled all programs. logind was still behaving as this point (not ignoring it's logind.conf file as it seemed to be before the reinstall) after this so I concluded that the packages installed were not the problem at least with their default configs. After that, I gradually restored the config files I cared about while testing to see if logind still worked correctly. Contrary, to what I expected it never broke and I was able to restore all modified configs and get correct behavior.
I suspect there was some old out of date config file somewhere that was causing the problem but it's hard to say which one it was. I could probably figure it out with a bit more experimentation but have already spent enough time fixing this...
In case anyone else needs a similar configuration, the relevant files are as follows. This sets up the system to lock whenever systemd executes a suspend action. It also sets up acpid to suspend on lid close.
Make sure you have installed acpid and enabled it to run at startup.
/etc/systemd/logind.conf
# This file is part of systemd.
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
# See logind.conf(5) for details
[Login]
/etc/systemd/logind.conf
#NAutoVTs=6
#ReserveVT=6
#KillUserProcesses=no
#KillOnlyUsers=
#KillExcludeUsers=root
#Controllers=
#ResetControllers=cpu
#InhibitDelayMaxSec=5
HandlePowerKey=ignore
HandleSuspendKey=ignore
HandleHibernateKey=ignore
HandleLidSwitch=ignore
#PowerKeyIgnoreInhibited=no
#SuspendKeyIgnoreInhibited=no
#HibernateKeyIgnoreInhibited=no
#LidSwitchIgnoreInhibited=yes
#IdleAction=ignore
#IdleActionSec=30min
/etc/acpi/handler.sh
#!/bin/bash
# Default acpi script that takes an entry for all actions
case "$1" in
button/power)
case "$2" in
PBTN|PWRF)
logger 'PowerButton pressed'
/usr/bin/systemctl poweroff
logger "ACPI action undefined: $2"
esac
button/sleep)
case "$2" in
SLPB|SBTN)
logger 'SleepButton pressed'
/usr/bin/systemctl suspend
logger "ACPI action undefined: $2"
esac
ac_adapter)
case "$2" in
AC|ACAD|ADP0)
case "$4" in
00000000)
logger 'AC unpluged'
/usr/sbin/laptop_mode auto
00000001)
logger 'AC pluged'
/usr/sbin/laptop_mode auto
esac
logger "ACPI action undefined: $2"
esac
battery)
case "$2" in
BAT0)
case "$4" in
00000000)
logger 'Battery online'
/usr/sbin/laptop_mode auto
00000001)
logger 'Battery offline'
/usr/sbin/laptop_mode auto
esac
CPU0)
*) logger "ACPI action undefined: $2" ;;
esac
button/lid)
case "$3" in
close)
logger 'LID closed'
/usr/sbin/laptop_mode auto
if [ $(cat /sys/class/power_supply/ADP0/online) -eq 0 ]; then
/usr/bin/systemctl suspend
fi
open)
logger 'LID opened'
/usr/sbin/laptop_mode auto
logger "ACPI action undefined: $3"
esac
logger "ACPI group/action undefined: $1 / $2"
esac
# vim:set ts=4 sw=4 ft=sh et:
Last edited by Superposition (2013-02-23 23:15:54)

[SOLVED]Gnome 3.4 is not suspending when the lid is closed.

Hey..
Since upgrading to gnome 3.4.1, my laptop does not suspend when the lid is closed.
I have read this this thread without getting a clear answer...
I have checked the setting in gnome tweak tool, and they are both set to "Suspend"
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See this thread for updates on the problem.

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from SAP Note 904155----
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Arun
P.S Assigning points is a way of saying thank you on SDN
Message was edited by: Arun Varadarajan

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Powerbook does not sleep when the lid is closed

my tibook does not go to sleep when i close the lid. the screen stays on when the lid is closed. the screen was replaced a few months ago. i have to hit the power button and choose sleep or choose sleep from the menu. does anyone know how to fix this. Thanks.

Hi, fatchance. You have a hardware issue. The reed switch that puts the PB to sleep when it is closed is a two-part device. The latch mechanism in the main body of the Powerbook contains a magnet (which you can detect by moving a paper clip over it), and the switch itself is located inside the small latch opening in the display bezel. When the display is closed, the magnet is supposed to actuate the switch, putting the PB to sleep. If that isn't happening on your PB, the switch is broken or its wiring is damaged. Either way, the remedy will be to replace the entire display assembly. It's made not to be disassembled. Most technicians won't do so, because of the great likelihood of damaging the display housing/bezel or the display itself while prying it apart (it's epoxied together). Since the display is the PB's most costly part, replacing it merely to fix your reed switch would be a poor bargain, and I can't recommend it. Just put the PB to sleep manually or set a suitable sleep delay in the Energy Saver control pane instead.

My macbook pro shuts down OSX and all my programs when the lid is closed

Hi,
I am having a problem. My macbook pro shuts down OSX and all my programs when the lid is closed. I close the lid, and then I hear the shutdown music and then when I open it again it automatically restarts OSX and all my windows and programs are closed, any info gone.
This doesn't happen all the time. Just once a day or maybe twice a day. It seems like it happens basically when I have my computer just the way I want it, to keep an eye on things for the day.
I just recently switched to a mac and while somewhat savvy, I am not a programmer or techie, but it seems to me that when I shut the lid, it should do the same thing every time.
I have a intel core 2 duo 17 inch macbook pro with 2.33 processr and 2 gig ram, if that helps.
I am in alaska and there is no genius bar here and I am hoping to figure this out before I begin bugging our local independant mac store about this.
Thanks in advance,
Lylah
17 inch Macbook Pro Mac OS X (10.4.9) intel core 2 duo 2.33g. 2 gig ram

Ahhh, enlightenment!
That would make sense. What I usually do, after closing the lid, is to wait for the apple to turn off and then set it down on it's side leaning it against the side table. I will try to wait for it to indicate that it is fully asleep before I move it next time. Personally, I prefer my computer to NOT fall asleep at all, but I am told it is not an option. Apparently this function is hardware related accoring to my local mac shop. They tracked it down for me because I hated this feature when I first bought my computer and was trying some way around it.
The shutdown music I was refering to was that music the mac makes when shutting down, which doesnt usually occur when it goes to sleep, unless it is malfunctioning like this.
What does resetting the pmu do? (what is a pmu as well?)
Thank you very much.
Lylah

Daemon thread still alive when the environment is closed

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