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Bug 214842 - sys-apps/ifplugd-0.28-r9 gets "stuck", zombie ifplugd.action process
Summary: sys-apps/ifplugd-0.28-r9 gets "stuck", zombie ifplugd.action process
Status: RESOLVED WORKSFORME
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: High normal (vote)
Assignee: Gentoo's Team for Core System packages
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2008-03-26 10:31 UTC by Andreas K. Hüttel
Modified: 2008-11-08 23:28 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---


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Description Andreas K. Hüttel archtester gentoo-dev 2008-03-26 10:31:34 UTC
After some cable-in, cable-out events, ifplugd seems to get "stuck" and does not deactivate the interface anymore. 

Trying to manually remove eth0 

bellini ~ # /etc/init.d/net.eth0 stop
 * Stopping eth0
 *   Bringing down eth0
 *     Stopping ifplugd on eth0 ...                                       [ !! ]

-> in /var/log/messages
Mar 26 11:22:40 bellini ifplugd(eth0)[5819]: Killing child.
(and nothing else interesting)

leads to a zombie process (ps ax output):

 5819 ?        Ss     0:02 /usr/sbin/ifplugd --iface=eth0
29467 ?        Z      0:00 [ifplugd.action] <defunct>

The only way I found to resolve this was a reboot.

The network adapter is a tg3 (built-in, not module).

The effect has been reproduced 2-3 times at irregular intervals (typically after a week or so), with kernels 2.6.24.2 and 2.6.24-gentoo-r3. I'll add more information here when this re-occurs and I find anything interesting.
Comment 1 Andreas K. Hüttel archtester gentoo-dev 2008-03-31 22:30:27 UTC
Additional note - it seems the bug occurs when
* the notebook is connected to ethernet,
* suspended to ram 
* and wakes up without cable...
Comment 2 Andreas K. Hüttel archtester gentoo-dev 2008-11-08 23:28:48 UTC
It seems like this went away with a kernel update. Not sure which one, but
the problem has not occurred for months. 

I'm marking this resolved since there is no need to act on this bug report anymore.