Ubuntu

Comment 11 for bug 878919

pnael (philippe-nael) wrote :

v 3.0.6 does panic. I'll test 3.0.7 later.

If i read the comment from the other bug, it may be link ith the wireless card.
One difference when working on battery is power management is set to on.
I'll disable it and do some extra tests (including 3.0.7 testing) and update you.
My test :

philippe@heracles:~$ iwconfig wlan0 # with power adapter
wlan0 IEEE 802.11bgn ESSID:"nael_ssid"
          Mode:Managed Frequency:2.437 GHz Access Point: 00:19:70:59:62:9A
          Bit Rate=19.5 Mb/s Tx-Power=20 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:off
          Link Quality=33/70 Signal level=-77 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:23 Invalid misc:145 Missed beacon:0
philippe@heracles:~$ iwconfig wlan0 # on battery
wlan0 IEEE 802.11bgn ESSID:"nael_ssid"
          Mode:Managed Frequency:2.437 GHz Access Point: 00:19:70:59:62:9A
          Bit Rate=39 Mb/s Tx-Power=20 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:on
          Link Quality=35/70 Signal level=-75 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:23 Invalid misc:145 Missed beacon:0

philippe@heracles:~$ sudo iwconfig wlan0 power off
philippe@heracles:~$ iwconfig wlan0 # on battery
wlan0 IEEE 802.11bgn ESSID:"nael_ssid"
          Mode:Managed Frequency:2.437 GHz Access Point: 00:19:70:59:62:9A
          Bit Rate=39 Mb/s Tx-Power=20 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:off
          Link Quality=33/70 Signal level=-77 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:23 Invalid misc:145 Missed beacon:0