On Fri, 2010-03-05 at 09:39 +0000, David Goodenough wrote:
> Package: linux-2.6
> Version: 2.6.32-8
> Severity: important
>
>
> My hard disk (a Samsumg HM160HC) seems to have a Host Protected Area, which previous kernels did not detect. So I have
> an area of the disk that currently I can not access, but are covered by the partition table.
>
> I read following Google searches that the fix is to use hdparm -N, but when I run it I get:-
>
> $> sudo hdparm -N /dev/hda
>
> /dev/hda:
> The running kernel lacks CONFIG_IDE_TASK_IOCTL support for this device.
> READ_NATIVE_MAX_ADDRESS_EXT failed: Invalid argument
>
> Previous kernels (at least 2.6.26 which I used to run on this machine with Debian) did not seem to notice the HPA, so either I need
> a way to turn off the kernel's detection of the HPA or I need CONFIG_IDE_TASK_IOCTL enabled to enable hdparm -N to work.
You should be able to make the kernel ignore the HPA thus:
1. Create a file under /etc/modprobe.d containing the lines:
options ide_core nohpa=0.0
options libata ignore_hpa=1
2. Run 'update-initramfs -u -k 2.6.32-2-686'
3. Reboot
Ben.
--
Ben Hutchings
Q. Which is the greater problem in the world today, ignorance or apathy?
A. I don't know and I couldn't care less.
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