[Bug 548992] Re: Wireless connection frequently drops [deauthenticating by local choice (reason=3)]

[matt.wartell]

Confirming Phil Ayers workaround of disabling ipv6 apparently stopping
the deauthentication and all its consequences.

$ uname -a
Linux flatguy.local 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:27:30 UTC 2010 i686 GNU/Linux
$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic root=UUID=5ba98674-c456-438f-bb1c-b1d97f4e2415 ro ipv6.disable=1

System: Sony Vaio PCG-R505DL  (with 1988.60 BogoMIPS of Power!!!)
Adapter: Belkin F5D8011v2000 via PCMCIA running rt2500-pci driver (Lucid default) with WPA-PSK2 and no NetworkManager

Prior to adding the workaround, the system was up but with no user activity for 3.9 hours in which syslog recorded 108 deauthentication events with a MTBF of 131 seconds. This was typical behavior over the last month whether associated with a D-Link DI-524 or Belkin F5D8231-4 v2 WAP (yes, I switched WAP/Routers trying to fix this). The affected machine quite literally had no other change except for the addition to /etc/default/grub, update-grub and reboot.
 
Since applying Mr. Ayers ipv6.disable=1 workaround, the wlan0 connection has remained associated with the WAP since boot, 1.5 hours ago,  while beating upon it nearly continuously with netperf to a wired sink at a rate of 15Mbps.

Thanks, Phil!

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Wireless connection frequently drops  [deauthenticating by local choice (reason=3)]
https://bugs.launchpad.net/bugs/548992
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