Hi!
> As I reported in bug 8036 in bugzilla.kernel.org,
>
> Hardware Environment:
>
> - Use a compact flash SanDisk SDCFB-128 Firmware revision HDX 2.15
> (we used other compact flashes with the same hw ad sw for years
> with no trouble)
>
> It happens on both etx boards:
> - VIA SOM-ETX (4475)
> - Gene-4312
>
> Doing the command
> sfdisk -R /dev/hdc
>
> gives:
>
> * * *
> ide1: start_request: current=0xc6ebe754 (rq->sect=0,block 0)
> hdc: status error: status=0x58 { DriveReady SeekComplete DataRequest }
> ide: failed opcode was: unknown
> hdc: drive not ready for command
> ide1: start_request: current=0xc6ebe754 (rq->sect=0,block 0)
> hdc: do_special: 0x02
> hdc: do_special: recalibrate
> ide1: start_request: current=0xc6ebe754 (rq->sect=0,block 0)
> hdc: reading: block=0 sectors=8, buffer = 0xc6cd40000
> ide1: end_request: current=0xc6ebe754
> * * *
>
> the 'bad bit' in status error is DataRequest
>
>
>
> doing
> sfdisk -l /dev/hdc
>
> gives:
>
> * * *
> ide1: start_request: current=0xc6ebecd4 (rq->sect=0,block 0)
> hdc: reading: block=0, sectors=32, buffer=0xc6f37000
> hdc: lost interrupt
> hdc: lost interrupt [and so on several times]
> * * *
>
> I have no knowledge of the internals of the linux kernel, but I'm a
> programmer and have both hardware and time to spend on solving this issue.
Debug it, then :-). Try limiting its speed with hdparm to see if it
helps.
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