I have now tried the daily build linux-image-2.6.35-999-generic_2.6.35-999.201006151505_amd64 with the same outcome. The kernel only boots after first booting windows.
I have now tried the daily build linux-image- 2.6.35- 999-generic_ 2.6.35- 999.20100615150 5_amd64 with the same outcome. The kernel only boots after first booting windows.