On Thu, 2011-07-14 at 20:50 -0400, Michael Forbes wrote: > Package: linux-2.6 > Version: 2.6.39-2 > Severity: important > File: /lib/modules/2.6.39-2-amd64/kernel/net/wireless/cfg80211.ko > Tags: upstream > > > I have a Lenovo Thinkpad T420, with "Intel(R) Centrino(R) Advanced-N 6205 AGN" > wireless card. wheezy is installed. I sometimes connect to one of two > different wireless networks, both unsecured (I configure the wireless through > /etc/network/interfaces). In both instances, the connection will drop several > times per day, without any provocation. Another wheezy install on different > hardware had no such problems. I imagine the issue is with the wireless card, > as that seems to be the most relevant hardware difference between the new laptop > and the old laptop. [...] > Various searches indicate to me that cfg80211 is reseting the > connection, and that this is causing the problem. However, I cannot > identify why it is being called. [...] > One more tidbit, I was running 'iw event' (instead of 'iwevent'), and got: > > 2011-07-14 20:38 [root@******** miforbes]# iw event > wlan0 (phy #0): deauth a0:88:b4:68:59:e4 -> 16:18:0a:30:23:5c reason 4: Disassociated due to inactivity > wlan0 (phy #0): disconnected (local request) [...] I would have expected that to appear in the kernel log. Don't know what's going on here but maybe the upstream wireless developers can work it out. The full bug log is at <http://bugs.debian.org/633919>. Ben. -- Ben Hutchings Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer
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