whilst testing another bug - https://bugs.launchpad.net/bugs/356478 - I downloaded and installed the following mainline kernel: 2.6.34-999-generic_2.6.34-999.201003151003_i386
Using this kernel, on login, the wireless works correctly.
Hope this helps tracking down the regression.
whilst testing another bug - https:/ /bugs.launchpad .net/bugs/ 356478 - I downloaded and installed the following mainline kernel: 999-generic_ 2.6.34- 999.20100315100 3_i386
2.6.34-
Using this kernel, on login, the wireless works correctly.
Hope this helps tracking down the regression.