** Changed in: wpa (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/1124789
Title:
Unclean termination on dbus-daemon shutdown
Status in hostap:
Fix Released
Status in wpa package in Ubuntu:
Fix Released
Bug description:
When wpa_supplicant is terminated normally (i.e. with SIGTERM or
SIGINT or 'wpa_cli terminate'), it brings down any wireless interfaces
it is managing. However, if wpa_supplicant is started by dbus
activation and if the dbus messagebus is then shut down, it terminates
abruptly and improperly without deconfiguring any network interfaces.
Note that wpa_supplicant has its PID file installed in
/run/sendsigs.omit.d, so /etc/init.d/sendsigs makes no attempt to shut
it down. Since wpa_supplicant is not supervised by upstart, it is
typical for dbus-daemon to be shut down before wpa_supplicant is.
This has been reported upstream (along with steps to reproduce and a patch)
at:
http://w1.fi/bugz/show_bug.cgi?id=474
This bug, along with bug 1124803 (in network-manager), means that when I
connect my laptop to a wifi network, no attempt is made to disconnect from that
network when shutting the system down. This in turn triggers a bug in my BIOS
which causes this system to hardlock in the middle of BIOS post when I reboot
while still connected to a wifi network:
http://thread.gmane.org/gmane.linux.kernel.wireless.general/102862
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: wpasupplicant 1.0-2ubuntu5
ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4
Uname: Linux 3.5.0-24-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Wed Feb 13 22:12:08 2013
MarkForUpload: True
SourcePackage: wpa
UpgradeStatus: Upgraded to quantal on 2012-10-20 (116 days ago)
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