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From: jhandvil <jhandvil@tampabay.rr.com>
To: Ivan Voras <ivoras@fer.hr>
Date: Sun, 11 Jul 2004 10:43:21 -0400
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cc: freebsd-current@freebsd.org
Subject: Re: 5.2.1 p9 --> 5.2 current 20040708 upgrade ATA_IDENTIFY no
	interrupt
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On Sunday 11 July 2004 07:34 am, Ivan Voras wrote:
> jhandvil wrote:
> > Just upgraded from 5.2.1 p9 to 5.2-current.  Received the following error
> > during boot (copied by hand, please excuse typo's):
> >
> > ata0-master: FAILURE - ATA_IDENTIFY no interrupt
> > ata0-master: FAILURE - ATA_IDENTIFY no interrupt
> > Mounting root from ufs:/dev/ad0s1a
> > setrootbyname failed
> > ffs_mountroot: can't find rootvp
> > Root mount failed: 6
>
> I have a very similar situation at my machine. Could you try toggling
> WITNESS in the kernel config and report to the list if there are any
> changes?

Thanks for the fast response.  I toggled turned off WITNESS (and turned on 
DDB), and I got the same response.

I tried digging some more.  I know that there was an issue earlier with the 
via 8237 and dma, so I tried disabling dma (hw.ata.ata_dma=0).  This had no 
effect.  I'll attempt to dig around in the PCI driver and the ata driver a 
little more and see if I can add some traces around the interrupt assignment.  
Any additional suggestions would be much appreciated.

Great Cthulu sig.  I'm a bit of a H.P. Lovecraft fan myself.

Thanks,
Justin