Could someone explain these error messages from FC2 dmesg?

[James Wilkinson]

Joe(theWordy)Philbrook wrote:
> Could someone explain these error messages from FC2 dmesg? 
> 
> The error messages do not appear when I boot the same hardware with FC1.
> 
<snip>
> hdb: command error: status=0x51 { DriveReady SeekComplete Error }
> hdb: command error: error=0x54
> end_request: I/O error, dev hdb, sector 0
> hdd: command error: status=0x51 { DriveReady SeekComplete Error }
> hdd: command error: error=0x54
> end_request: I/O error, dev hdd, sector 1437824
> hdd: command error: status=0x51 { DriveReady SeekComplete Error }
> hdd: command error: error=0x54
> end_request: I/O error, dev hdd, sector 0
> <snip>
> <End  extract from dmesg>
> 
> It would seem that FC2 thinks my cd drives are sick. But I don't get any
> errors from actual operation of them. They just don't scan well.
> 
> I'd like to mention that in FC1 both the dvd-rom on hdd and the cd-rw on 
> hdb=ide-scsi work fine with xcdroast. But for FC2 I found that I could
> only burn music cd's with xcdroast.  I also found that trying to boot
> the FC2 kernel with "hdb=ide-scsi" was a bad idea...  

What does hdparm say? Has FC2 turned DMA on, whereas FC1 had it off?

James.

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