I also got the same problem (/var/log ate my hd and from time to time the system froze). After removing linux-restricted-modules and linux-backports and installing 2.6.27-8 from proposed everything is working fine again.
pierre@cyberiada:~$ lspci | grep Wireless
10:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
pierre@cyberiada:~$ uname -a
Linux cyberiada 2.6.27-8-generic #1 SMP Thu Nov 6 17:38:14 UTC 2008 x86_64 GNU/Linux
I also got the same problem (/var/log ate my hd and from time to time the system froze). After removing linux-restricte d-modules and linux-backports and installing 2.6.27-8 from proposed everything is working fine again.
pierre@cyberiada:~$ lspci | grep Wireless
10:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection (rev 61)
pierre@cyberiada:~$ uname -a
Linux cyberiada 2.6.27-8-generic #1 SMP Thu Nov 6 17:38:14 UTC 2008 x86_64 GNU/Linux