Re: HPA and failed opcode was: 0x37 ?

[Steven Scholz <steven.scholz@imc-berlin.de>]

Alan,

>> hda: Host Protected Area detected.
>>         current capacity is 78140160 sectors (40007 MB)
>>         native  capacity is 185074430006016 sectors (94758108163 MB)
> 
> This comes from the identify data (bit 10 of the
> cfs_enable_1/command_set_1 fields in drivers ide) indicate the drive has
> an HPA so we try and read it. As there is no error report it seems the
> drive replied fine and we turn it into a rather bizarre value, but all our
> endian and the like code appears correct here.
> 
> Is your IDE controller LBA48 capable ?

Well TBH I have no contoller. As I said I am using an embedded ARM board.
The HDD is connected via a FPGA. The internal HDD registers simply memory
mapped. Works fine. Usually. By now we seem to have trouble with that
Seagate drive...

So I don't see any problems with LBA48 ...

>> hda: task_no_data_intr: status=0x51 { DriveReady SeekComplete Error }
>> hda: task_no_data_intr: error=0x04 { DriveStatusError }
>> ide: failed opcode was: 0x37
> 
> We try and set the disk size to 185074430006016 sectors.. it objects
> unsuprisingly to this proposal.
;-)

Steven