boot panic with SiS 961 UDMA100 controller

[FUJITA Kazutoshi]

From: Michael Moll <kvedulv at kvedulv.de>
Subject: Re: boot panic with SiS 961 UDMA100 controller
Date: Tue, 2 Dec 2008 11:22:37 +0100

> > i cvsuped after a long time (3 months), kernel panics when boot,
> > in ata_pci_dmareset()
> > 
> > my pc has
> > atapci0: <SiS 961 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 2.5 on pci0
> > 
> > svn r183723 works, but r183724(and later) cause panic
> 
> Maybe this patch resolves your problem also:
> http://lists.freebsd.org/pipermail/freebsd-current/2008-November/000669.html

this patch is good for me.
current kernel boot without panic.

thanks!