Same thing here with on Dell Vostro 1015 with Intel graphics. Sometimes it freezes after 5 minutes of usage if on battery. Turning on wireless indeed seems to trigger the problem much more frequently.
I installed the 2.6.36 kernel from kernel-ppa, as well as the xorg version from ubuntu-x-swat/x-updates, but nothing has changed: still freezing as often as before.
Same thing here with on Dell Vostro 1015 with Intel graphics. Sometimes it freezes after 5 minutes of usage if on battery. Turning on wireless indeed seems to trigger the problem much more frequently.
I installed the 2.6.36 kernel from kernel-ppa, as well as the xorg version from ubuntu- x-swat/ x-updates, but nothing has changed: still freezing as often as before.
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)