Mint MATE 13 crashes when I disable networking

Mint MATE 13 crashes when I disable networking

Postby a__l__a__n on Mon Aug 27, 2012 11:27 pm

I'm new to Mint (long time Ubuntu user, previously used Knoppix and Kanotix for a few years).

I'm having two problems:

1) wireless disconnects under high CPU load
2) kernel crash when I disable networking (or sometimes when I disable wireless) from the tray menu.

My system: Linux Mint Mate 13 installed on an old Compaq EVO D310, 1.5Gb RAM with an Airlink 101 Golden N Wireless Mini USB Adapter.

It boots up fine, and most stuff works fine. I've installed Chromium from the Software Manager because Firefox maxes the CPU on normal use of gmail -- Chromium works fine.

When CPU goes high, the bars start to drop on the wireless connection icon. Occasionally that results in the wireless connection dropping. Sometimes it will reconnect by itself. Other times it gives up. So I try disabling wireless networking from the tray icon and then re-enabling it. That sometimes works. On a couple of occasions I tried disabling networking (not just wireless) from the tray icon, and the whole system crashed. (On at least one occasion that has happened when I tried to disable wireless only). I *think* it happens every time when I disable networking.

Crash results in a black console screen with some log statements related to video; keyboard unresponsive. Ctrl-alt-F2 and Ctrl-alt-del do nothing. So I power cycle and it boots back fine. I then go back to the tray icon and reconnect and all is fine. But after awhile it happens again.

Obviously it would be great to fix the crash. But I might also simply be able to avoid the crash if I could get the wireless connection to stay up. Is there any configuration change I can make to cause the wireless subsystem to be more tolerant of the high cpu cycles?

Thanks in advance for any advice.
a__l__a__n
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Re: Mint MATE 13 crashes when I disable networking

Postby a__l__a__n on Fri Aug 31, 2012 11:29 am

Here is the output of mintwifi:

Code: Select all
-------------------------
* I. scanning WIFI PCI devices...
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:"1062651115"  Nickname:"rtl_wifi"
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:1A:2B:3C:FF:02   
          Bit Rate:72 Mb/s   Sensitivity:0/0 
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:****-****-****-****-****-****-****-****   Security mode:open
          Power Management:off
          Link Quality=54/100  Signal level=28/100  Noise level=0/100
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

eth0      no wireless extensions.

-------------------------
* IV. querying ifconfig...
eth0      Link encap:Ethernet  HWaddr 00:08:02:c9:6f:88 
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback 
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

wlan0     Link encap:Ethernet  HWaddr 00:21:2f:32:01:90 
          inet addr:192.168.10.130  Bcast:192.168.10.255  Mask:255.255.255.0
          inet6 addr: fe80::221:2fff:fe32:190/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7489 errors:0 dropped:1527 overruns:0 frame:0
          TX packets:6843 errors:0 dropped:59 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:4568770 (4.5 MB)  TX bytes:1360350 (1.3 MB)

-------------------------
* V. querying DHCP...
Rather than invoking init scripts through /etc/init.d, use the service(8)
utility, e.g. service smbd reload

Since the script you are attempting to invoke has been converted to an
Upstart job, you may also use the reload(8) utility, e.g. reload smbd
RTNETLINK answers: File exists
-------------------------
* VI. querying nslookup google.com...
Server:      192.168.10.1
Address:   192.168.10.1#53

Non-authoritative answer:
Name:   google.com
Address: 74.125.137.138


And here are the relevant syslog messages:

Code: Select all
Aug 31 10:17:01 alan-Evo-D310 CRON[2565]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Aug 31 10:43:29 alan-Evo-D310 wpa_supplicant[943]: CTRL-EVENT-DISCONNECTED bssid=00:1a:2b:3c:ff:02 reason=0
Aug 31 10:43:29 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: completed -> disconnected
Aug 31 10:43:29 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: disconnected -> scanning
Aug 31 10:43:44 alan-Evo-D310 wpa_supplicant[943]: Trying to associate with 00:1a:2b:3c:ff:02 (SSID='1062651115' freq=2437 MHz)
Aug 31 10:43:44 alan-Evo-D310 wpa_supplicant[943]: Association request to the driver failed
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: scanning -> associating
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <warn> (wlan0): link timed out.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: activated -> disconnected (reason 'supplicant-timeout') [100 30 11]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): deactivating device (reason 'supplicant-timeout') [11]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): canceled DHCP transaction, DHCP client pid 2362
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Withdrawing address record for fe80::221:2fff:fe32:190 on wlan0.
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Leaving mDNS multicast group on interface wlan0.IPv6 with address fe80::221:2fff:fe32:190.
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Interface wlan0.IPv6 no longer relevant for mDNS.
Aug 31 10:43:44 alan-Evo-D310 kernel: [ 2013.060914] ADDRCONF(NETDEV_UP): wlan0: link is not ready
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Withdrawing address record for 192.168.10.130 on wlan0.
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.10.130.
Aug 31 10:43:44 alan-Evo-D310 avahi-daemon[459]: Interface wlan0.IPv4 no longer relevant for mDNS.
Aug 31 10:43:44 alan-Evo-D310 dnsmasq[2434]: exiting on receipt of SIGTERM
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> DNS: starting dnsmasq...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): writing resolv.conf to /sbin/resolvconf
Aug 31 10:43:44 alan-Evo-D310 dbus[426]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
Aug 31 10:43:44 alan-Evo-D310 dnsmasq[9075]: started, version 2.59 cache disabled
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: associating -> disconnected
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Auto-activating connection '1062651115'.
Aug 31 10:43:44 alan-Evo-D310 dnsmasq[9075]: compile time options: IPv6 GNU-getopt DBus i18n DHCP TFTP conntrack IDN
Aug 31 10:43:44 alan-Evo-D310 dnsmasq[9075]: warning: no upstream servers configured
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) starting connection '1062651115'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: prepare -> config (reason 'none') [40 50 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0/wireless): access point '1062651115' has security, but secrets are required.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: config -> need-auth (reason 'none') [50 60 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: need-auth -> prepare (reason 'none') [60 40 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: prepare -> config (reason 'none') [40 50 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0/wireless): connection '1062651115' has security, and secrets exist.  No new secrets needed.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Config: added 'ssid' value '1062651115'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Config: added 'scan_ssid' value '1'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Config: added 'key_mgmt' value 'WPA-PSK'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Config: added 'psk' value '<omitted>'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Config: set interface ap_scan to 1
Aug 31 10:43:44 alan-Evo-D310 dbus[426]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: disconnected -> scanning
Aug 31 10:43:44 alan-Evo-D310 wpa_supplicant[943]: Associated with 00:1a:2b:3c:ff:02
Aug 31 10:43:44 alan-Evo-D310 kernel: [ 2013.505021] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Aug 31 10:43:44 alan-Evo-D310 kernel: [ 2013.509135] r8712u: [r8712_got_addbareq_event_callback] mac = 00:1a:2b:3c:ff:02, seq = 0, tid = 0
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: scanning -> associated
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: associated -> 4-way handshake
Aug 31 10:43:44 alan-Evo-D310 wpa_supplicant[943]: WPA: Key negotiation completed with 00:1a:2b:3c:ff:02 [PTK=CCMP GTK=CCMP]
Aug 31 10:43:44 alan-Evo-D310 wpa_supplicant[943]: CTRL-EVENT-CONNECTED - Connection to 00:1a:2b:3c:ff:02 completed (reauth) [id=0 id_str=]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: 4-way handshake -> completed
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful.  Connected to wireless network '1062651115'.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: config -> ip-config (reason 'none') [50 70 0]
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Beginning DHCPv4 transaction (timeout in 45 seconds)
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> dhclient started with pid 9096
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Beginning IP6 addrconf.
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
Aug 31 10:43:44 alan-Evo-D310 dhclient: Internet Systems Consortium DHCP Client 4.1-ESV-R4
Aug 31 10:43:44 alan-Evo-D310 dhclient: Copyright 2004-2011 Internet Systems Consortium.
Aug 31 10:43:44 alan-Evo-D310 dhclient: All rights reserved.
Aug 31 10:43:44 alan-Evo-D310 dhclient: For info, please visit https://www.isc.org/software/dhcp/
Aug 31 10:43:44 alan-Evo-D310 dhclient:
Aug 31 10:43:44 alan-Evo-D310 dhclient: Listening on LPF/wlan0/00:21:2f:32:01:90
Aug 31 10:43:44 alan-Evo-D310 dhclient: Sending on   LPF/wlan0/00:21:2f:32:01:90
Aug 31 10:43:44 alan-Evo-D310 dhclient: Sending on   Socket/fallback
Aug 31 10:43:44 alan-Evo-D310 dhclient: DHCPREQUEST of 192.168.10.130 on wlan0 to 255.255.255.255 port 67
Aug 31 10:43:44 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): DHCPv4 state changed nbi -> preinit
Aug 31 10:43:46 alan-Evo-D310 avahi-daemon[459]: Joining mDNS multicast group on interface wlan0.IPv6 with address fe80::221:2fff:fe32:190.
Aug 31 10:43:46 alan-Evo-D310 avahi-daemon[459]: New relevant interface wlan0.IPv6 for mDNS.
Aug 31 10:43:46 alan-Evo-D310 avahi-daemon[459]: Registering new address record for fe80::221:2fff:fe32:190 on wlan0.*.
Aug 31 10:43:47 alan-Evo-D310 dhclient: DHCPREQUEST of 192.168.10.130 on wlan0 to 255.255.255.255 port 67
Aug 31 10:43:47 alan-Evo-D310 dhclient: DHCPACK of 192.168.10.130 from 192.168.10.1
Aug 31 10:43:47 alan-Evo-D310 dhclient: bound to 192.168.10.130 -- renewal in 43051 seconds.
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): DHCPv4 state changed preinit -> reboot
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info>   address 192.168.10.130
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info>   prefix 24 (255.255.255.0)
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info>   gateway 192.168.10.1
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info>   nameserver '192.168.10.1'
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info>   nameserver '75.75.76.76'
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Configure Commit) scheduled...
Aug 31 10:43:47 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) started...
Aug 31 10:43:47 alan-Evo-D310 avahi-daemon[459]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.10.130.
Aug 31 10:43:47 alan-Evo-D310 avahi-daemon[459]: New relevant interface wlan0.IPv4 for mDNS.
Aug 31 10:43:47 alan-Evo-D310 avahi-daemon[459]: Registering new address record for 192.168.10.130 on wlan0.IPv4.
Aug 31 10:43:48 alan-Evo-D310 dnsmasq[9075]: exiting on receipt of SIGTERM
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> DNS: starting dnsmasq...
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): writing resolv.conf to /sbin/resolvconf
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): device state change: ip-config -> activated (reason 'none') [70 100 0]
Aug 31 10:43:48 alan-Evo-D310 dnsmasq[9102]: started, version 2.59 cache disabled
Aug 31 10:43:48 alan-Evo-D310 dnsmasq[9102]: compile time options: IPv6 GNU-getopt DBus i18n DHCP TFTP conntrack IDN
Aug 31 10:43:48 alan-Evo-D310 dnsmasq[9102]: using nameserver 75.75.76.76#53
Aug 31 10:43:48 alan-Evo-D310 dnsmasq[9102]: using nameserver 192.168.10.1#53
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> Policy set '1062651115' (wlan0) as default for IPv4 routing and DNS.
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) successful, device activated.
Aug 31 10:43:48 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 5 of 5 (IPv4 Commit) complete.
Aug 31 10:43:49 alan-Evo-D310 wpa_supplicant[943]: Trying to associate with 00:1a:2b:3c:ff:02 (SSID='1062651115' freq=2437 MHz)
Aug 31 10:43:49 alan-Evo-D310 wpa_supplicant[943]: Association request to the driver failed
Aug 31 10:43:49 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: completed -> associating
Aug 31 10:43:49 alan-Evo-D310 wpa_supplicant[943]: Associated with 00:1a:2b:3c:ff:02
Aug 31 10:43:49 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: associating -> associated
Aug 31 10:43:49 alan-Evo-D310 kernel: [ 2018.828437] r8712u: [r8712_got_addbareq_event_callback] mac = 00:1a:2b:3c:ff:02, seq = 0, tid = 0
Aug 31 10:43:49 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: associated -> 4-way handshake
Aug 31 10:43:51 alan-Evo-D310 wpa_supplicant[943]: WPA: Key negotiation completed with 00:1a:2b:3c:ff:02 [PTK=CCMP GTK=CCMP]
Aug 31 10:43:51 alan-Evo-D310 wpa_supplicant[943]: CTRL-EVENT-CONNECTED - Connection to 00:1a:2b:3c:ff:02 completed (reauth) [id=0 id_str=]
Aug 31 10:43:51 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): supplicant interface state: 4-way handshake -> completed
Aug 31 10:43:55 alan-Evo-D310 kernel: [ 2024.176030] wlan0: no IPv6 routers present
Aug 31 10:44:05 alan-Evo-D310 NetworkManager[689]: <info> (wlan0): IP6 addrconf timed out or failed.
Aug 31 10:44:05 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
Aug 31 10:44:05 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) started...
Aug 31 10:44:05 alan-Evo-D310 NetworkManager[689]: <info> Activation (wlan0) Stage 4 of 5 (IPv6 Configure Timeout) complete.
a__l__a__n
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