Re: [PATCH] libata: fix boot panic with SATAPI devices on non-SFF HBAs

[James Bottomley <James.Bottomley@HansenPartnership.com>]

On Sat, 2008-04-19 at 06:34 -0700, walt wrote:
> James Bottomley wrote:
> > Current 2.6.25 git head now panics reliably on boot if you have a SATAPI
> > device connected.
> >
> > The problem was introduced by the libata merge trying to pull out all
> > the SFF code into a separate module...
> 
> Hi James,
> 
> When I saw your commit I thought it would fix the panic introduced by Tejun's
> commit <305d2a1a>, but no luck.
> 
> I have a pata drive connected to a sata controller using a plugin adapter.
> After Tejun's commit the kernel panics with unknown-block (8,9) instead of
> mounting /dev/sda9.  Is this the scenario your patch is intended to fix?

If it's a panic with a SATA drive, then no it wouldn't ... the problem I
fixed was in SATAPI only (That's CD/DVD/Tape devices).  If you actually
post the boot log and panic, linux-ide and Tejun might be able to help.
Your brief snippet indicates the controller isn't finding sda, I think.

James