Are you able to test the edgy or even feisty kernel to see if this is still a problem there? It looks like a driver problem on dapper. The "unknown partition table" message looks suspicious. Can you please post the entire dmesg?
** Changed in: linux-source-2.6.15 (Ubuntu) Status: Unconfirmed => Needs Info -- Winbond SD/MMC Reader (W83L519D) doesn't work https://launchpad.net/bugs/60916 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs