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SubjectRe: PROBLEM: wrong IDE disk size
On Mon, Aug 23, 2004 at 12:45:35AM -0300, Alexandre wrote:
> Hi,
>
> I installed two new SAMSUNG SP1203N (120GB) drives on the same IDE.
> But, from the boot log:
>
> hdc: attached ide-disk driver.
> hdc: host protected area => 1
> hdc: 234493056 sectors (120060 MB) w/2048KiB Cache, CHS=14596/255/63,
> UDMA(100)
> hdd: attached ide-disk driver.
> hdd: host protected area => 1
> hdd: setmax_ext LBA 234493056, native 66055248
> hdd: 66055248 sectors (33820 MB) w/2048KiB Cache, CHS=4111/255/63, UDMA(100)
>
> So the second one get its capacity limited to ~33GB. I know there is a limit
> of 34GB (CHS=4111/255/53) with older BIOSes and kernel, but i believe it
> doesnt apply as the first drive got recognized properly. Also, i have
> another 120 GB SEAGATE as hda working properly. (So the disk with wrong
> capacity is the third IDE drive)
>
> I'm running kernel 2.4.25. CONFIG_IDEDISK_STROKE is off.
>
> Any ideas of what might be happening?

It looks like hdd's host protected area is enabled, and you need
to turn on CONFIG_IDEDISK_STROKE to be able to access 100% of it.

Jeff



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