ide-scsi junk on 2.6.0-test1

Using/testing 2.6.0-test1.
After a while I get 'hdc:lost interrupt' a few 100 times, ending with:

...

Jul 14 14:40:22 tom kernel: hdc: lost interrupt
Jul 14 14:40:22 tom kernel: ide-scsi: The scsi wants to send us more
data than expected - discarding data
Jul 14 14:40:22 tom kernel: hdc: lost interrupt
Jul 14 14:40:22 tom kernel: ide-scsi: The scsi wants to send us more
data than expected - discarding data
Jul 14 14:40:22 tom kernel: hdc: lost interrupt
Jul 14 14:40:22 tom kernel: ide-scsi: The scsi wants to send us more
data than expected - discarding data
Jul 14 14:40:22 tom kernel: hdc: irq timeout: status=0x80 { Busy }
Jul 14 14:40:22 tom kernel: hdc: DMA disabled
Jul 14 14:40:22 tom kernel: hdc: ATAPI reset complete
Jul 14 14:40:22 tom kernel: ide-scsi: The scsi wants to send us more
data than expected - discarding data
Jul 14 14:40:22 tom kernel: sr0: CDROM (ioctl) error, command: 0x43 00
00 00 00
00 00 00 0c 40
Jul 14 14:40:22 tom kernel: Current sr?: sense = 70  0
Jul 14 14:40:22 tom kernel: Raw sense data:0x70 0x00 0x00 0x00 0x00 0x00

0x00 0x0a 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00