booting with ATA-AHCI now broken

Gary Jennejohn gary.jennejohn at freenet.de
Sun Feb 15 05:32:22 PST 2009


On Sun, 15 Feb 2009 14:42:41 +0200
Alexander Motin <mav at FreeBSD.org> wrote:

> Gary Jennejohn wrote:
> > The latest commit to dev/ata/chipsets/ata-ahci.c totally breaks
> > booting on my machine.
> > 
> > I didn't save the commit message so I can't quote the exact commit
> > revision number.
> > 
> > _Every_ ata port now times out.
> > 
> > Here the relevant bits from pciconf:
> > 
> > atapci0 at pci0:0:17:0:    class=0x010601 card=0xb0021458 chip=0x43911002 rev=0x00 hdr=0x00
> >     vendor     = 'ATI Technologies Inc'
> >     class      = mass storage
> >     subclass   = SATA
> 
> According to Linux drivers, this chip has bug with port multiplier 
> probing which this commit may trigger. Can you try to change 
> 'ata_ahci_softreset(dev, ATA_PM)' with 'ata_ahci_softreset(dev, 0)' in 
> ata-ahci.c to check it?
> 

Yes, that fixes it.  Thanks for the quick response.

Do you still want the verbose boot output?

---
Gary Jennejohn


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