PROBLEM: buggy ide-scsi

ide-scsi not working on kernel 2.5.8

I try to burn cds on a 2.5.8 kernel (debian distrib) using kreatcd (and gtoaster) on a Ricoh Ide Cd Writer using the ide-scsi and a unexpected error occurs. Using the same config, when I boot on a 2.4.17 kernel, there ain't no problem.
Did you change anything ? The ide-scsi module hasn't been maintained since Jul 4, 1999 (kinds of 2.2.x period, no ?).
Did configuration change (i tried to turn over, no way...).
In fact, something worrying me. I use the ide-scsi as a module, and while no cd burner is launched, lsmod tells me it's used (only in 2.5.8 kerns, in 2.4.17 it's unused). I wonder if it's not the [scsi_eh_0] kernel thread which tries to use it (what for ?). Maybe this is what blocks the use of ide-scsi... I'll try to debug it my way, but it will take ages....

If you have any clues, tell me.

Thanx

F.-E.

As a matter of fact there where significant changes to the way block IO requests get handled in the IDE driver. (TCQ stuff).
Due to this several (all?) of the drivers different from ide-disk are now nonfunctional until they get adapted to those changes. Please be patient, since this is certainly going to take some time.