On Tue, 2007-05-08 at 08:46 -0600, Robert Hancock wrote:
> Ben Collins wrote:
> > The original HPA patch that Kyle worked on has gone into current git
> > without some fixes that we worked through late in the Ubuntu feisty
> > release. Here's the main copy of the notes I sent to Alan a few weeks
> > ago in regards to the original patch, and a repatch against current git
> > to fix things up. Note we have released feisty with the patch attached
> > (albeit we have HPA enabled by default), and we have not had any reports
> > directly attributed to it. However, in gutsy (devel for next release,
> > based on current stock linux-2.6.git), we are already seeing reports of
> > the same issues we already fixed.
> >
> > The issues we saw were mainly that some controllers didn't return the
> > correct size from the SET_MAX command (sata_nv is a good example). So I
> > added a re IDENTIFY after the SET_MAX, and compared all the numbers. If
> > re-id was correct, but return value from SET_MAX wasn't we print a
> > warning and use the IDENTIFY value regardless (since that's what the
> > device is going to use).
> >
> > Because we re IDENTIFY, there was also no need to keep n_sectors_boot
> > around, so that was removed. The ata_hpa_resize() was changed to handle
> > everything in a single call (checks for HPA support of the device, and
> > whether ignore_hpa is set or not), and it also sets dev->n_sectors
> > before returning.
> >
> > So far with this patch, we were able to fix all the problems we were
> > seeing with it (except the sata_nv issue where we had to revert to not
> > using adma for NO_DATA transactions, already reported to libata-dev).
> > We've not had any reports of further problems.
>
> That sata_nv issue should not be present anymore in the current
> libata-dev tree.
That's correct, it is not, at least the machine exception problem isn't.
However, the incorrect returns from SET_MAX are still an issue with that
hw. No idea what is causing it.
--
Ubuntu : http://www.ubuntu.com/
Linux1394: http://wiki.linux1394.org/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
