I have experienced what I believe is the same problem on a MacBook Pro
2,1 with Karmic.
{{{
*-network
description: Wireless interface
product: AR5008 Wireless Network Adapter
vendor: Atheros Communications Inc.
physical id: 0
bus info: p...@0000:03:00.0
logical name: wlan0
version: 01
serial: 00:17:f2:eb:b5:1b
width: 64 bits
clock: 33MHz
capabilities: bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k ip=192.168.0.21
latency=0 multicast=yes wireless=IEEE 802.11abgn
resources: irq:17 memory:98100000-9810ffff
}}}
After a fresh install of Karmic, I experienced fairly frequent random
crashes which required hard resets. At first I thought the crashes might
graphics driver related but was able to rule this out when the system
crashed with no applications open at all.
I then noticed the prevalence of syslog entries such as:
{{{
Feb 25 21:18:13 truffles wpa_supplicant[1164]: CTRL-EVENT-SCAN-RESULTS
Feb 25 21:20:13 truffles wpa_supplicant[1164]: CTRL-EVENT-SCAN-RESULTS
}}}
just before crashes occurred. This was *before* finding this bug report.
After finding this bug report, I tried turning wireless networking off
and using a network cable, and had a couple of days working without any
network connection at all. In both cases I had no further crashes.
Turning wireless networking back on coincides with crashes reoccurring.
--
wpa_supplicant causes system to crash.
https://bugs.launchpad.net/bugs/468519
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