I just tried with the latest Dapper kernel (2.6.15-21) and have the same problem. I can't reproduce the problem in Windows, so Plextor will not look into whether it's a firmware problem.
I just tried with the latest Dapper kernel (2.6.15-21) and have the same problem. I can't reproduce the problem in Windows, so Plextor will not look into whether it's a firmware problem.