Your message dated Tue, 12 Oct 2010 22:44:15 +0200
with message-id <[email protected]>
and subject line Re: Bug#600004: udev: net.agent uses much CPU after some days
has caused the Debian Bug report #600004,
regarding udev: net.agent uses much CPU after some days
to be marked as done.
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Bug report if necessary, and/or fix the problem forthwith.
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--
600004: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=600004
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: udev
Version: 160-1
Severity: normal
I recently noticed that net.agent (in packet udev, according to search
on debian homepage) uses much CPU time on my (original) EEE-PC netbook.
Just now "sudo top" shows
top - 19:14:07 up 31 days, 5:50, 6 users, load average: 1.53, 1.50, 1.55
Tasks: 147 total, 1 running, 146 sleeping, 0 stopped, 0 zombie
Cpu(s): 36.3%us, 14.2%sy, 11.4%ni, 37.1%id, 0.7%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 2066220k total, 1939888k used, 126332k free, 151480k buffers
Swap: 0k total, 0k used, 0k free, 1329940k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20082 gpb 20 0 565m 178m 31m S 5.6 8.9 642:17.14 firefox-bin
1822 root 20 0 2460 1096 808 R 3.7 0.1 0:00.04 top
1413 root 20 0 3244 1784 1024 S 1.9 0.1 59:25.83 fancontrol
1886 root 20 0 22200 6988 2156 S 1.9 0.3 225:27.97 wicd
1911 root 20 0 12696 7044 3452 S 1.9 0.3 106:53.78 wicd-monitor
Notice the load of 1.5 and CPU percentage quite high although all shown
processes in top amount to sub 20% CPU (rest of processes are 0.1% or less).
When I "killall net.agent" the load and CPU drops to normal:
top - 19:19:06 up 31 days, 5:55, 6 users, load average: 0.28, 0.90, 1.28
Tasks: 137 total, 1 running, 136 sleeping, 0 stopped, 0 zombie
Cpu(s): 7.3%us, 3.6%sy, 0.0%ni, 88.8%id, 0.0%wa, 0.3%hi, 0.0%si, 0.0%st
Mem: 2066220k total, 1890076k used, 176144k free, 151480k buffers
Swap: 0k total, 0k used, 0k free, 1330124k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
20082 gpb 20 0 549m 178m 31m S 6.0 8.8 642:32.99 firefox-bin
14779 root 20 0 300m 23m 10m S 1.7 1.1 4888:44 Xorg
29779 gpb 20 0 242m 12m 9512 S 1.7 0.6 22:04.87 lxterminal
5111 root 20 0 2464 1184 896 R 0.3 0.1 0:00.21 top
14087 gpb 20 0 116m 20m 12m S 0.3 1.0 19:08.83 xchat
14864 gpb 20 0 218m 12m 9584 S 0.3 0.6 69:49.46 lxpanel
This stays like that for a few days, then net.agent (or something related)
again uses much CPU without showing in top/htop.
I currently use debian testing, fully patched as of speaking, with lxde
as window manager and wicd network manager to quickly switch between
networks if necessary (although I mostly use the same network).
Perhaps wicd plays a role in this, as the problems started around the same
time I began using it (earlier I manually changed the necessary /etc files
every time I changed my location and therefore networks (cabled/wireless)).
But this may well be a coincidence and I have not yet thoroughly tested
if it disappears when I close wicd in my tray.
Although this problem makes my netbook quite unresponsive when it appears
I tagged normal because it happens rarely and not everyone has such a
slow device :)
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages udev depends on:
ii debconf [debconf-2.0] 1.5.35 Debian configuration management sy
ii libc6 2.11.2-6 Embedded GNU C Library: Shared lib
ii libselinux1 2.0.96-1 SELinux runtime shared libraries
ii libudev0 160-1 libudev shared library
ii libusb-0.1-4 2:0.1.12-16 userspace USB programming library
ii lsb-base 3.2-23.1 Linux Standard Base 3.2 init scrip
ii util-linux 2.17.2-3.2 Miscellaneous system utilities
Versions of packages udev recommends:
ii pciutils 1:3.1.7-5 Linux PCI Utilities
ii usbutils 0.87-5 Linux USB utilities
udev suggests no packages.
-- debconf information:
udev/new_kernel_needed: false
udev/title/upgrade:
udev/reboot_needed:
--- End Message ---
--- Begin Message ---
On Oct 12, Georg Philipp Burth <[email protected]> wrote:
> I recently noticed that net.agent (in packet udev, according to search
> on debian homepage) uses much CPU time on my (original) EEE-PC netbook.
Hard to believe, it's a shell script which just runs "sleep 1" until it
can exit.
If net.agent keeps running more than a few seconds then your systems is
broken in some way, I recommend that you look for help on a users
support forum.
--
ciao,
Marco
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