Examining the contents of the debs, the module is available in the latest Lucid, Maverick, Natty, and Oneiric -virtual kernel flavors.
Lucid: $ dpkg -c linux-image-2.6.32-34-virtual_2.6.32-34.77_amd64.deb | grep "ahci" -rw-r--r-- root/root 79400 2011-09-13 17:03 ./lib/modules/2.6.32-34-server/kernel/drivers/ata/ahci.ko
Maverick: $ dpkg -c linux-image-2.6.35-30-virtual_2.6.35-30.60_amd64.deb | grep "ahci" -rw-r--r-- root/root 54680 2011-09-19 15:07 ./lib/modules/2.6.35-30-virtual/kernel/drivers/ata/ahci.ko
Natty: $ dpkg -c linux-image-2.6.38-11-virtual_2.6.38-11.50_amd64.deb | grep "ahci" -rw-r--r-- root/root 50688 2011-09-12 15:51 ./lib/modules/2.6.38-11-virtual/kernel/drivers/ata/ahci.ko
Oneiric: $ dpkg -c /var/cache/apt/archives/linux-image-3.0.0-12-virtual_3.0.0-12.20_amd64.deb | grep "ahci" -rw-r--r-- root/root 51504 2011-10-07 14:53 ./lib/modules/3.0.0-12-virtual/kernel/drivers/ata/ahci.ko
Examining the contents of the debs, the module is available in the latest Lucid, Maverick, Natty, and Oneiric -virtual kernel flavors.
Lucid: 2.6.32- 34-virtual_ 2.6.32- 34.77_amd64. deb | grep "ahci" 2.6.32- 34-server/ kernel/ drivers/ ata/ahci. ko
$ dpkg -c linux-image-
-rw-r--r-- root/root 79400 2011-09-13 17:03 ./lib/modules/
Maverick: 2.6.35- 30-virtual_ 2.6.35- 30.60_amd64. deb | grep "ahci" 2.6.35- 30-virtual/ kernel/ drivers/ ata/ahci. ko
$ dpkg -c linux-image-
-rw-r--r-- root/root 54680 2011-09-19 15:07 ./lib/modules/
Natty: 2.6.38- 11-virtual_ 2.6.38- 11.50_amd64. deb | grep "ahci" 2.6.38- 11-virtual/ kernel/ drivers/ ata/ahci. ko
$ dpkg -c linux-image-
-rw-r--r-- root/root 50688 2011-09-12 15:51 ./lib/modules/
Oneiric: apt/archives/ linux-image- 3.0.0-12- virtual_ 3.0.0-12. 20_amd64. deb | grep "ahci" 3.0.0-12- virtual/ kernel/ drivers/ ata/ahci. ko
$ dpkg -c /var/cache/
-rw-r--r-- root/root 51504 2011-10-07 14:53 ./lib/modules/