[ltp] Re: tytso's ibm_acpi hotswap patch / hotswap on Z61p

[Adam Sloboda]

At Wed, 26 Dec 2007 22:18:02 -0800,
Marc MERLIN wrote:
> 
> On Wed, Dec 26, 2007 at 10:52:59AM -0800, Marc MERLIN wrote:
> > I found out that all my problems were due to my kernel still having piix
> > which was taking over the IDE bus and preventing ata_piix from doing
> > anything.
> > pixx/ide-disk, despite anything on 
> > http://www.thinkwiki.org/wiki/How_to_hotswap_UltraBay_devices
> > and lt_hotswap not even building for 2.6.22.
> > 
> > Once I disabled piix for good, my ultrabay now shows as SCSI, and things
> > work. I'm not too sure if your patch actually helps me since it does:
> > -          "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60 */ 
> > +          "\\_SB.PCI0.SATA.SCND.MSTR", /* T60, X60, Z60, SATA mode? */
> > +          "\\_SB.PCI0.IDE0.PRIM.MSTR", /* T60p, IDE mode? 
> > 
> > which adds a primary IDE master, which is what my drive used to be, but
> > isn't anymore now that I'm not using ide-disk anymore.
> 
> Oh, looks like I was wrong. Even though my ultrabay is /dev/sdb,
> kern.log shows:
> kernel: ACPI: \_SB_.PCI0.IDE0.PRIM.MSTR: Ejecting device
> kernel: ata5: soft resetting port
> 
> I'm not sure I understand why, but it looks like Ted's patch is actually
> helping my case.

Try lspci|grep IDE, I have bay on IDE controller (that's the primary
master added by patch).

> 
> Either way hotplug works fine for me now.
> 
> Marc
> -- 
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> Home page: http://marc.merlins.org/
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Regards,
Adam