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Message #82157
[Bug 417778] Re: xfce4-volumed takes 100% cpu when system is idle for some time
Launchpad has imported 8 comments from the remote bug at
https://bugzilla.xfce.org/show_bug.cgi?id=5183.
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On 2009-04-03T02:03:31+00:00 Hesperaux wrote:
If I add a mixer plugin to my panel, it works fine. The volume is
controlled properly and the CPU does not max out.
Some time later, I repeatedly notice it has begun using 100% of both my
cores.
I have an onboard sound chipset that dmixes properly with alsa. I do not
use a sound daemon of any kind. I also have a (mostly-unsupported by
Linux) Creative X-Fi sound card which is plugged in but unused. The
plugin detects the following sound cards:
NVidia CK804 (Alsa mixer) - this is the onboard chipset that I use all the time.
Monitor Integrated Webcam (Alsa mixer) - one of my DFP microphones
pcsp (Alsa mixer) - I have no idea what this is.
Monitor Integrated Webcam (Alsa mixer) - one of my DFP microphones (dual monitors)
Realtek ALC850 rev 0 (OSS Mixer) - I'm assuming this could be my X-Fi, but it really looks like something else. In any case, I've not seen it before.
That's the list exactly as I'm given it. I haven't been able to find out
what causes the mixer to go crazy. My sound card is not disconnecting as
in bug 4962, but I think it may be a related problem, so I would suggest
taking both bugs into account.
Thanks for all of your hard work. All of us appreciate XFCE.
Other information:
Linux atlas 2.6.28-ARCH #1 SMP PREEMPT Tue Mar 17 06:42:43 UTC 2009 i686 Dual Core AMD Opteron(tm) Processor 165 AuthenticAMD GNU/Linux
Motherboard containing audio chipset: Asus A8n-SLI-Premium
Exact version of plugin and panel:
xfce4-mixer 4.6.0-2
xfce4-panel-4.6.0-1
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/0
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On 2009-04-05T20:09:06+00:00 Hesperaux wrote:
Hello again.
I wanted to update this bug, because I now know that it is directly
related to bug 4962. The plugin works properly without issue until I
turn off my monitors (something I do when I go away from my PC). When I
come back, and turn them on, I notice the CPU is at maximum usage. This
is because the USB microphone/hub/webcam imbedded in the monitors is one
of the available devices to control using the mixer plugin. As soon as
they are detached, it is the same issue as in bug 4962 - the CPU load
goes up immensely, as though the plugin is trying to check or configure
the microphones that were powered off. And obviously when they are
powered back on, it still freaks out. Hope this helps.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/1
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On 2009-08-21T06:26:48+00:00 Xfce-e wrote:
I have the same problem on xubuntu jaunty.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/2
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On 2010-01-09T13:03:47+00:00 Charlie Kravetz wrote:
This bug has been reported on Ubuntu Launchpad as:
https://bugs.launchpad.net/bugs/417778
It is possible the root causes of both this bug and bug 4962 are the
same.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/30
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On 2010-01-09T16:04:58+00:00 cmeerw wrote:
I think this is caused by
https://bugzilla.gnome.org/show_bug.cgi?id=507527
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/33
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On 2010-10-03T10:40:27+00:00 Fork0 wrote:
(In reply to comment #4)
> I think this is caused by https://bugzilla.gnome.org/show_bug.cgi?id=507527
You're right (well, not caused by, but is related to).
There are changes on the bug, and a workaround (attached to the discussion).
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/42
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On 2014-11-16T07:34:09+00:00 Robby Workman wrote:
Looks like this was a gstreamer bug that was fixed upstream:
https://bugzilla.gnome.org/show_bug.cgi?id=614545
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/44
------------------------------------------------------------------------
On 2014-11-16T08:25:19+00:00 Robby Workman wrote:
*** Bug 5460 has been marked as a duplicate of this bug. ***
Reply at:
https://bugs.launchpad.net/ubuntu/+source/xfce4-volumed/+bug/417778/comments/45
** Changed in: xfce4-mixer
Status: Unknown => Fix Released
** Changed in: xfce4-mixer
Importance: Unknown => Critical
** Bug watch added: GNOME Bug Tracker #614545
https://bugzilla.gnome.org/show_bug.cgi?id=614545
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https://bugs.launchpad.net/bugs/417778
Title:
xfce4-volumed takes 100% cpu when system is idle for some time
Status in The GStreamer Multimedia Framework:
Invalid
Status in xfce4-mixer:
Fix Released
Status in Volume management daemon for XFCE 4:
Incomplete
Status in “gstreamer0.10” package in Ubuntu:
New
Status in “xfce4-volumed” package in Ubuntu:
Confirmed
Bug description:
I guess this is not a bug directly in xfce4-volumed, but somewhere else, but so far I don't know yet what happens exactly. Every time when my system is idle for some time and the display goes into suspend mode, xfce4-volumed will start to take 100% cpu. Definitely not what I want from an idle system...
From top output with threading enabled I see e.g.
Tasks: 490 total, 4 running, 400 sleeping, 0 stopped, 86 zombie
Cpu(s): 26.1%us, 31.5%sy, 0.0%ni, 42.2%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 3927536k total, 1927212k used, 2000324k free, 94156k buffers
Swap: 4192924k total, 0k used, 4192924k free, 794384k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5367 bernd 20 0 477m 7692 4508 R 99.6 0.2 53:17.69 xfce4-volumed
(without threading support the shown pid is 5353, so parent parent
pid).
strace -p 5367:
poll([{fd=9, events=POLLIN|POLLERR|POLLNVAL}, {fd=7, events=POLLIN|POLLPRI|POLLERR|POLLHUP}], 2, -1) = 1 ([{fd=9, revents=POLLERR|POLLNVAL}])
poll([{fd=9, events=POLLIN|POLLERR|POLLNVAL}, {fd=7, events=POLLIN|POLLPRI|POLLERR|POLLHUP}], 2, -1) = 1 ([{fd=9, revents=POLLERR|POLLNVAL}])
bernd@bathl ~>ll /proc/5367/fd
total 0
lr-x------ 1 bernd users 64 2009-08-23 19:00 0 -> /dev/null
l-wx------ 1 bernd users 64 2009-08-23 19:00 1 -> /dev/null
lr-x------ 1 bernd users 64 2009-08-23 19:00 10 -> pipe:[15861]
l-wx------ 1 bernd users 64 2009-08-23 19:00 11 -> pipe:[15861]
lrwx------ 1 bernd users 64 2009-08-23 19:00 12 -> /dev/snd/controlC2
lr-x------ 1 bernd users 64 2009-08-23 19:00 13 -> pipe:[15868]
l-wx------ 1 bernd users 64 2009-08-23 19:00 14 -> pipe:[15868]
lrwx------ 1 bernd users 64 2009-08-23 19:00 15 -> socket:[15872]
lr-x------ 1 bernd users 64 2009-08-23 19:00 16 -> pipe:[15874]
l-wx------ 1 bernd users 64 2009-08-23 19:00 17 -> pipe:[15874]
lrwx------ 1 bernd users 64 2009-08-23 19:00 18 -> socket:[15878]
lr-x------ 1 bernd users 64 2009-08-23 19:00 19 -> pipe:[15886]
l-wx------ 1 bernd users 64 2009-08-23 19:00 2 -> /dev/null
l-wx------ 1 bernd users 64 2009-08-23 19:00 20 -> pipe:[15886]
lrwx------ 1 bernd users 64 2009-08-23 19:00 21 -> socket:[15891]
lr-x------ 1 bernd users 64 2009-08-23 19:00 22 -> pipe:[15893]
l-wx------ 1 bernd users 64 2009-08-23 19:00 23 -> pipe:[15893]
lrwx------ 1 bernd users 64 2009-08-23 19:00 24 -> socket:[15897]
lrwx------ 1 bernd users 64 2009-08-23 19:00 3 -> socket:[15691]
lr-x------ 1 bernd users 64 2009-08-23 19:00 4 -> pipe:[15693]
l-wx------ 1 bernd users 64 2009-08-23 19:00 5 -> pipe:[15693]
lrwx------ 1 bernd users 64 2009-08-23 19:00 6 -> socket:[15694]
lr-x------ 1 bernd users 64 2009-08-23 19:00 7 -> pipe:[15860]
l-wx------ 1 bernd users 64 2009-08-23 19:00 8 -> pipe:[15860]
lrwx------ 1 bernd users 64 2009-08-23 19:00 9 -> /dev/snd/controlC1 (deleted)
Hrm, somehow /dev/snd/controlC1 was deleted, while the filedescriptor
was still open. What could be responsible for that?
WORKAROUND:
In a terminal :
sudo apt-get remove xfce4-volumed <hit enter>
to remove xfce4-volumed will stop it from consuming 100% of your cpu, with the side effect of probably making the keyboard volume and control keys not work. It also breaks volume change / mute toggle notifications if the notification server used supports x-canonical-icon-only and x-canonical-synchronous notifications.
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