Re: [Fwd: [BUG] sata_via doesn't detect anymore my disks (broken between rc1 and rc3)]

[Thierry Vignaud <tvignaud@mandriva.com>]

Tejun Heo <htejun@gmail.com> writes:

> >>>>> The second patch is essentially identical to what you did the
> >>>>> one liner.  Can you please check it once more?  I'll prepare
> >>>>> old-sequence hardreset in the meantime.
> >>>> Okay, here's the old-sequence hardreset patch.  This should have
> >>>> the highest chance of working.  This patch should be applied on
> >>>> top of the vt6420 patch.
> >>> On top of which patch?
> >>> I just tried to apply it on top of:
> >>> - your last week patch
> >>> - your two patches of this week
> >>> and it does *not* apply on top of anyone...
> >> Arghh... Sorry.  I sent the wrong version.  This patch is against
> >> #upstream while I should have sent the one against #upstream-fixes.
> >>
> >>> Couldn't you either check first your patch or (better) just send a
> >>> patch against vanilla 2.6.18-rc4-mm2?
> >> I've attached whole sata_via.c to the other mail.  I think that should
> >> do the trick.
> > It didn't (tested by overwriting 2.6.18-rc4-mm2's driver).
> > I tried a few reset methods combinations w/os success.
> > Like in other faillure cases, the driver saw the two links but failed
> > to see the hd attached to the second sata link.
> 
> Hmmm.. That's very weird.  The detection sequence is almost identical
> to the original code.  Argh.....  Any ideas?

btw, I tried again with rc1 and rc2.
here, the diff on sata-via against 2.6.18 are trivials and irrelevant
so it looks like the issue is introduce by core changes in libata
(that maybe uncover a previously hidded issue in sata-via?)