Showstopper ATA bug in 6.1-PRE?

[Wilko Bulte]

On Wed, Feb 08, 2006 at 10:02:08PM +0100, Sren Schmidt wrote..
> Wilko Bulte wrote:
> >Hi Soren,
> >
> >I just went to 6.1-PRE on my main machine, coming from 6.0-STABLE
> >of roughly end of december.
> >
> >And I hit some stuff that really worries me:
> >
> >- the freshly built kernel keels over with (hand transcribed):
> >
> >ata3: reiniting channel SATA connect ... 
> >SATA connected
> >sata_connect_devices 0x1 <ATA_MASTER>
> >
> >ad6: req=0xC35ba0c8 SETFEATURES SETTRANSFERMODE semaphore timeout 
> >!! DANGER Will RObinson !!
> >
> >(... is where I cannot read my own handwriting, it scrolled quite fast on
> >the screen..)
> >
> >Boot device is a SATA RAID1 on a Promise 2300.
> 
> Hmm, that should not happen. Could you try to backstep just ATA to 
> before the MFC, that is 24/1/06 and let me know if that helps please ?

First impression is that the problem is gone.  None of the previously 
reported errors are seen.  I am running a level 0 dump from disk to disk
to see if the box remains stable.  Given that this is my primary machine
I sure hope it will be :-)

> >Another snag is that my ad10 disk on 6.0-STABLE suddenly became ad12 on
> >6.1-PRE
> 
> Hmm that is because there is only 2 ports on your promise which is now 
> correctly identified, before it was errounsly found as 3 ports.

Ah, OK.  I would suggest a note to the Release Note writers would be a good
thing, devices changing location after an upgrade in the -stable branch
is unnerving ;-)

-- 
Wilko Bulte				wilko at FreeBSD.org