> I have a kernel 2.6.3, There was a severe kernel bug introduced in scsi layer in 2.6.3 (search for 2.6.3 in last month archive). If you use ide-scsi emulation, you might be affected by it. The bug is reportedly addressed in upcoming kernel release (search for 2.6.3 in this month archive, post from Joachim Feise).
> # dvd+rw-mediainfo /dev/dvd > INQUIRY: [TOSHIBA ][DVD-ROM SD-R6112][1709] > > Then it hangs there, and I can't even kill dvd+rw-mediainfo. I would suggest to downgrade to 2.6.2 or download 2.6.4 prerelease version. A.