On Thu, 2007-05-10 at 23:01 -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote: > From: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> > > The CD-ROM layer doesn't bounce requests for old ISA controllers (and nor > should it). However they get injected into the SCSI layer via sr_ioctl > which also doesn't bounce them and SCSI then passes the buffer along to a > device with unchecked_isa_dma set which either panics or truncates the > buffer to 24bits. > > According to Jens the right long term fix is for the CD layer to route the > requests differently but in the mean time this has been tested by a victim > and verified to sort the problem out. For the other 99.9% of users it's a > no-op and doesn't bounce data. > > (akpm: placeholder fix. Apparently the metaphorical Mike is working on a real > fix). No, we fixed this in a different way ... the fix should already be in git head. James - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html