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nictki
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Joined: 10 Jan 2007
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 Posted: Thu Oct 22, 2015 11:33 am Post subject: [SOLVED] Pulseaudio creates .config in / |
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Hello everybody
Does anybody know why pulseaudio creates this directory in main filesystem tree ?
| Code: | | /.config/pulse/65c224b3646e8d986a1e1630554a48d1-runtime |
which is symlink to
| Code: | | lrwxrwxrwx 1 root root 23 Oct 22 13:22 /.config/pulse/65c224b3646e8d986a1e1630554a48d1-runtime -> /tmp/pulse-2L9K88eMlGn7/ |
P.S.
| Code: | | media-sound/pulseaudio-7.0-r1 |
compiled with following flags:
| Code: | | X alsa alsa-plugin asyncns bluetooth caps dbus gdbm glib gtk ipv6 native-headset orc sox ssl tcpd udev webrtc-aec zeroconf -doc -equalizer -gnome -jack -libressl -libsamplerate -lirc -neon -ofono-headset -oss -qt4 -realtime -selinux -system-wide -systemd -test -xen |
thx
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Last edited by nictki on Thu Dec 03, 2015 12:29 am; edited 8 times in total |
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kikko
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Joined: 29 Apr 2014
Posts: 276
Location: Milan, IT
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| Posted: Thu Oct 22, 2015 9:39 pm Post subject: |
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Hi nictki
do you have any user with $HOME set to / ?
Otherwise there is no reason for creating such a thing... That symlink is in the .config directory under a user's home:
| Code: | ~ $ ls -l .config/pulse/
totale 36
-rw-r--r-- 1 kikko kikko 5120 12 ott 20.22 6c75d30f50e8017209f7810855f215ab-card-database.x86_64-pc-linux-gnu.gdbm
-rw-r--r-- 1 kikko kikko 43 22 ott 21.05 6c75d30f50e8017209f7810855f215ab-default-sink
-rw-r--r-- 1 kikko kikko 42 22 ott 21.05 6c75d30f50e8017209f7810855f215ab-default-source
-rw-r--r-- 1 kikko kikko 4096 28 set 22.43 6c75d30f50e8017209f7810855f215ab-device-manager.x86_64-pc-linux-gnu.gdbm
-rw-r--r-- 1 kikko kikko 5120 21 ott 21.47 6c75d30f50e8017209f7810855f215ab-device-volumes.x86_64-pc-linux-gnu.gdbm
lrwxrwxrwx 1 kikko kikko 23 22 ott 21.05 6c75d30f50e8017209f7810855f215ab-runtime -> /tmp/pulse-PKdhtXMmr18n
-rw-r--r-- 1 kikko kikko 4096 11 ott 16.09 6c75d30f50e8017209f7810855f215ab-stream-volumes.x86_64-pc-linux-gnu.gdbm
-rw------- 1 kikko kikko 256 12 set 20.28 cookie
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khayyam
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| Posted: Thu Oct 22, 2015 10:36 pm Post subject: |
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| kikko wrote: | | do you have any user with $HOME set to / ? Otherwise there is no reason for creating such a thing... |
kikko ... no matter, only root can write to / ... and in the above the ownership is 'root root', so whatever wrote it was running as root.
best ... khay |
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kikko
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Joined: 29 Apr 2014
Posts: 276
Location: Milan, IT
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| Posted: Fri Oct 23, 2015 6:14 am Post subject: |
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| khayyam wrote: | | only root can write to / |
This makes sense, of course; but if it was running as root it has failed to initialize root's $HOME, since it should be /root
Furthermore, in the /root dir, there is only the symlink set
| Code: | ~ # ls -l /root/.config/pulse/
totale 0
lrwxrwxrwx 1 root root 23 5 ott 14.46 6c75d30f50e8017209f7810855f215ab-runtime -> /tmp/pulse-PKdhtXMmr18n
~ # |
Maybe there is something wrong in this sense
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nictki
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Joined: 10 Jan 2007
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| Posted: Fri Oct 23, 2015 8:05 am Post subject: |
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Thx for responses !
| kikko wrote: | | do you have any user with $HOME set to / ? Otherwise there is no reason for creating such a thing... |
No I don't.
| khayyam wrote: |
kikko ... no matter, only root can write to / ... and in the above the ownership is 'root root', so whatever wrote it was running as root. |
Correct,
I think I found reason,
in my acpi script, which is launched as a root, I have few commands to play sounds,
after adding | Code: | | su $USER -c <play sound command> |
before command, pulseaudio config directory is not created any more
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Last edited by nictki on Fri Oct 23, 2015 8:19 am; edited 1 time in total |
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nictki
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Posts: 63
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| Posted: Fri Oct 23, 2015 8:08 am Post subject: |
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| kikko wrote: |
This makes sense, of course; but if it was running as root it has failed to initialize root's $HOME, since it should be /root
Furthermore, in the /root dir, there is only the symlink set
| Code: | ~ # ls -l /root/.config/pulse/
totale 0
lrwxrwxrwx 1 root root 23 5 ott 14.46 6c75d30f50e8017209f7810855f215ab-runtime -> /tmp/pulse-PKdhtXMmr18n
~ # |
Maybe there is something wrong in this sense
Regards |
Exactly,
shouldn't be created config file in this case in root dir ?
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khayyam
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| Posted: Fri Oct 23, 2015 10:35 am Post subject: |
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| kikko wrote: | | khayyam wrote: | | only root can write to / |
This makes sense, of course; but if it was running as root it has failed to initialize root's $HOME, since it should be /root |
kikko ... no, because that value is only assigned when executing a login (and so querying /etc/passwd), or, as is the case with cron, if the variable is assigned in its config, or when initialised. So, though a daemon may be running as root, it doesn't acquire roots login env.
| kikko wrote: | | Furthermore, in the /root dir, there is only the symlink set |
I can see absolutely no reason why root should have, or need, a soundserver ... the fact that its created is most likely the result of running processes as root which should never be run as root.
best ... khay |
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nictki
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| Posted: Fri Oct 23, 2015 2:32 pm Post subject: |
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| Quote: | | I can see absolutely no reason why root should have, or need, a soundserver ... the fact that its created is most likely the result of running processes as root which should never be run as root. |
Yes, but how can figure out what process causing that?
thx
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khayyam
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| Posted: Fri Oct 23, 2015 3:38 pm Post subject: |
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| nictki wrote: | | Quote: | | I can see absolutely no reason why root should have, or need, a soundserver ... the fact that its created is most likely the result of running processes as root which should never be run as root. |
Yes, but how can figure out what process causing that? |
nictki ... sorry, I thought you had, so it wasn't the above entry in your "acpi script"? I wasn't expecting it would because '$USER' will translate to the user executing it, so, again, root (as acpid runs as root).
Anyhow, "how to figure out what process is causing [it]", hehe, forgive me for laughing but that is somewhat ironic, these things "improving the user experience" are designed so that the user isn't supposed to have any inkling as to *how* it works, it just does (or so the claim goes), so when it starts dumping its config files into / you either have to ask yourself what you *might* have done to cause this (ie, the entry in your "acpid script", or what-have-you) or how/why/when pulseaudio (or some part of the DE that calls it) is executed as root. I can't really answer either of those questions as I don't know what you've done, or care to know how pulseaudio "just works".
best ... khay |
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kikko
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Joined: 29 Apr 2014
Posts: 276
Location: Milan, IT
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| Posted: Fri Oct 23, 2015 5:08 pm Post subject: |
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| khayyam wrote: | | I can see absolutely no reason why root should have, or need, a soundserver ... the fact that its created is most likely the result of running processes as root which should never be run as root. |
Me too btw, thus how do you explain why I have that symlink in my environment?
| nictki wrote: | | Code: | | su $USER -c <play sound command> |
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This is exactly the kind of command which does not sets a $HOME variable... why use $USER btw??? it's the same user running that command! 
| Code: | seireitei ~ # su kikko -c 'echo $USER'
kikko
seireitei ~ # su $USER -c 'echo $USER'
root
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khayyam
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| Posted: Fri Oct 23, 2015 6:31 pm Post subject: |
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| kikko wrote: | | khayyam wrote: | | I can see absolutely no reason why root should have, or need, a soundserver ... the fact that its created is most likely the result of running processes as root which should never be run as root. |
Me too btw, thus how do you explain why I have that symlink in my environment? |
kikko ... I can only guess ... perhaps that by starting the login manager pulseaudio is activated with the expectation that a 'bell', or 'chime', is played on some event, but as the login manager is run as root (again, I speculate as I don't run one) the config is created.
best ... khay |
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nictki
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Joined: 10 Jan 2007
Posts: 63
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| Posted: Mon Oct 26, 2015 1:20 am Post subject: |
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Thx
Tried some ways... from removing services from levels, 'clearing' configs, till exporting funny things like
to get figured out WTF is going on with PA...
Well, I think, that PA is kind of magic for it self, I don't get it... Really
I've installed (only to test) Debian 7.9 (PA-6, no systemd) on my old laptop, no funny configs etc, really "stock"
| Code: | drwxr-xr-x 2 root root 4096 Oct 22 12:38 bin
drwxr-xr-x 4 root root 1024 Oct 22 17:54 boot
drwxr-xr-x 14 root root 3380 Oct 26 01:50 dev
drwxr-xr-x 131 root root 12288 Oct 26 01:38 etc
drwxr-xr-x 4 root root 4096 Oct 22 12:48 home
lrwxrwxrwx 1 root root 28 Oct 22 12:07 initrd.img -> /boot/initrd.img-3.2.0-4-486
drwxr-xr-x 16 root root 4096 Oct 22 12:41 lib
drwx------ 2 root root 16384 Oct 22 12:03 lost+found
drwxr-xr-x 4 root root 4096 Oct 22 12:03 media
drwxr-xr-x 2 root root 4096 Aug 30 23:44 mnt
drwxr-xr-x 2 root root 4096 Oct 22 12:03 opt
dr-xr-xr-x 114 root root 0 Oct 26 01:49 proc
drwx------ 20 root root 4096 Oct 26 01:52 root
drwxr-xr-x 19 root root 780 Oct 26 01:49 run
drwxr-xr-x 2 root root 4096 Oct 22 13:09 sbin
drwxr-xr-x 2 root root 4096 Jun 10 2012 selinux
drwxr-xr-x 2 root root 4096 Oct 22 12:03 srv
drwxr-xr-x 12 root root 0 Oct 26 01:49 sys
drwxrwxrwt 6 root root 4096 Oct 26 01:52 tmp
drwxr-xr-x 10 root root 4096 Oct 22 12:03 usr
drwxr-xr-x 13 root root 4096 Oct 22 12:44 var
lrwxrwxrwx 1 root root 24 Oct 22 12:07 vmlinuz -> boot/vmlinuz-3.2.0-4-486
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Logged as normal user, launched from terminal
| Code: | | play /foo/bar/someting |
and after that
| Code: | drwxr-xr-x 2 root root 4096 Oct 22 12:38 bin
drwxr-xr-x 4 root root 1024 Oct 22 17:54 boot
drwxr-xr-x 14 root root 3380 Oct 26 01:50 dev
drwxr-xr-x 131 root root 12288 Oct 26 01:38 etc
drwxr-xr-x 4 root root 4096 Oct 22 12:48 home
lrwxrwxrwx 1 root root 28 Oct 22 12:07 initrd.img -> /boot/initrd.img-3.2.0-4-486
drwxr-xr-x 16 root root 4096 Oct 22 12:41 lib
drwx------ 2 root root 16384 Oct 22 12:03 lost+found
drwxr-xr-x 4 root root 4096 Oct 22 12:03 media
drwxr-xr-x 2 root root 4096 Aug 30 23:44 mnt
drwxr-xr-x 2 root root 4096 Oct 22 12:03 opt
dr-xr-xr-x 114 root root 0 Oct 26 01:49 proc
drwx------ 2 root root 4096 Oct 26 01:49 .pulse
-rw------- 1 root root 256 Oct 22 12:56 .pulse-cookie
drwx------ 20 root root 4096 Oct 26 01:51 root
drwxr-xr-x 19 root root 780 Oct 26 01:49 run
drwxr-xr-x 2 root root 4096 Oct 22 13:09 sbin
drwxr-xr-x 2 root root 4096 Jun 10 2012 selinux
drwxr-xr-x 2 root root 4096 Oct 22 12:03 srv
drwxr-xr-x 12 root root 0 Oct 26 01:49 sys
drwxrwxrwt 6 root root 4096 Oct 26 01:51 tmp
drwxr-xr-x 10 root root 4096 Oct 22 12:03 usr
drwxr-xr-x 13 root root 4096 Oct 22 12:44 var
lrwxrwxrwx 1 root root 24 Oct 22 12:07 vmlinuz -> boot/vmlinuz-3.2.0-4-486
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Really funny rabbit howl, really...
...I'm slowly tired with this blackbox*KIT things
best
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nictki
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| Posted: Tue Oct 27, 2015 8:27 pm Post subject: |
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Hi,
I think I've solved it, well
when launching scripts (e.g. like checking if mic is muted on system start, which was my case) before PA is stared as a regular user, that drives PA to crate
(my theory), but anyway, adding simple checking cases, that proofing if PA is running or is installed solved this for me.
Thx everyone for suggestions!
EDIT:
After running:
and doing some things, like hearing music, connecting usb speakers, suspending etc
I found something like this:
| Code: | cat trace | grep -e pulse
...
amixer(11390): RO /usr/share/alsa/alsa.conf.d/50-pulseaudio.conf
amixer(11390): C /usr/share/alsa/alsa.conf.d/50-pulseaudio.conf
amixer(11390): O /usr/share/alsa/alsa.conf.d/51-pulseaudio-probe.conf
amixer(11390): R /usr/share/alsa/alsa.conf.d/51-pulseaudio-probe.conf
amixer(11390): C /usr/share/alsa/alsa.conf.d/51-pulseaudio-probe.conf
amixer(11390): RO /usr/lib64/alsa-lib/libasound_module_conf_pulse.so
amixer(11390): RO /usr/lib64/libpulse.so.0.18.2
amixer(11390): RO /usr/lib64/pulseaudio/libpulsecommon-7.1.so
amixer(11390): O /etc/pulse/client.conf
amixer(11390): R /etc/pulse/client.conf
amixer(11390): C /etc/pulse/client.conf
amixer(11390): O /.config/pulse
amixer(11390): C /.config/pulse
...
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then I thought that problem is not PA but alsa (alsa-plugins)
and I've reemerged alsa-plugins without pulseaudio flag and PA without alsa-plugin
after that problem with "automagicly" creating .config directory in / is away.
So, I think topic is really SOLVED!!!
Thx
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