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Cazzantonio
Bodhisattva
Joined: 20 Mar 2004
Posts: 4514
Location: Somewere around the world
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 Posted: Fri Feb 05, 2016 11:38 pm Post subject: [SOLVED] umount /home fails at shutdown, dbus-daemon hanged |
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I noticed that during shutdown my /home don't gets unmounted correctly.
Specifically the init system complains that /home is in use but fuser finds nothing. I also get may lines like the following:
| Code: | | device-mapper: remove ioctl on <device> failed: Device or resource busy |
I tried to logout my user, login to the console as root and manually unmount the partition.
I noticed that fuser finds the following still active on the above partition:
| Code: | heavensdoor ~ # lsof /home/
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
pulseaudi 3300 ale 10u REG 0,39 4096 660919 /home/ale/.pulse/b11ace2efa2eb9d18787daca56af5516-device-volumes.x86_64-pc-linux-gnu.gdbm
pulseaudi 3300 ale 11u REG 0,39 4096 660920 /home/ale/.pulse/b11ace2efa2eb9d18787daca56af5516-stream-volumes.x86_64-pc-linux-gnu.gdbm
pulseaudi 3300 ale 12u REG 0,39 4096 660921 /home/ale/.pulse/b11ace2efa2eb9d18787daca56af5516-card-database.x86_64-pc-linux-gnu.gdbm
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After few seconds the puseaudio processes die and fuser finds indeed nothing, however the partition still won't be unmounted.
ps aux finds the following process still alive attached to my user:
| Code: | ale 2156 0.0 0.0 17380 2040 ? Ss 00:01 0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
ale 2177 0.0 0.0 249520 4200 ? Sl 00:01 0:00 /usr/libexec/at-spi-bus-launcher
ale 2183 0.0 0.0 17380 2436 ? S 00:01 0:00 \_ /usr/bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --print-address 3
ale 2189 0.0 0.0 104584 3988 ? Sl 00:01 0:00 /usr/libexec/at-spi2-registryd --use-gnome-session
ale 2256 0.0 0.0 180672 5100 ? Sl 00:01 0:00 /usr/libexec/gvfsd |
If I kill these processes I can unmount my home partition, so I think those processes are the culprits that cause the problems during shutdown.
I understand that the ebuild at-spi2-atk (that seems related to the above processes) is pulled in by x11-libs/gtk+ with X use flag set.
Can you give me any advice on how to solve the problem in a clean way? I mean without manually adding a script somewhere that kills the processes or removing the X use flag from gtk+...
Thanks
_________________
Any mans death diminishes me, because I am involved in Mankinde; and therefore never send to know for whom the bell tolls; It tolls for thee.
-John Donne
Last edited by Cazzantonio on Sat Feb 06, 2016 2:12 pm; edited 1 time in total |
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Cazzantonio
Bodhisattva
Joined: 20 Mar 2004
Posts: 4514
Location: Somewere around the world
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| Posted: Sat Feb 06, 2016 2:10 pm Post subject: |
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Solved.
The culprit was the following dbus process:
| Code: | | ale 2156 0.0 0.0 17380 2040 ? Ss 00:01 0:00 /usr/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session |
It seems that it was incorrectly launched by .config/autostart/nm-applet.desktop which had an Exec line like the following:
| Code: | | Exec=dbus-launch /usr/bin/nm-applet |
I suspect it was an old config from a time when I didn't use slim as a session manager, which has native support to dbus.
A correct line should be like the following:
| Code: | | Exec=/usr/bin/nm-applet |
_________________
Any mans death diminishes me, because I am involved in Mankinde; and therefore never send to know for whom the bell tolls; It tolls for thee.
-John Donne |
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