Date: Thu, 09 Dec 2004 07:43:21 -0700 From: Scott Long <scottl@freebsd.org> To: Rob <spamrefuse@yahoo.com> Cc: freebsd-stable@freebsd.org Subject: Re: hw.ata.ata_dma="0": can I do this during bootup at the loader prompt? Message-ID: <41B86489.8070306@freebsd.org> In-Reply-To: <41B7E193.4090807@yahoo.com> References: <41B7E193.4090807@yahoo.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Rob wrote: > > Hi, > > In /boot/loader.conf, I have > hw.ata.ata_dma="0" > to prevent a WRITE_DMA failure crash at bootup. > Unfortunately, this forces my UDMA100 harddisk to operate > at PIO4 speed. > > There are patches flying around on this mailing list that might > solve the problem. I'm very keen on testing such patches, but I > should remove the line in loader.conf. However, if the patch does > not work, I end up with an unbootable disk. > > It would be nice if I can set hw.ata.ata_dma="0" at the loader > prompt during bootup, so that the system at least will boot from > harddisk. Is that possible? > Yes, that's possible. Drop the loader to the prompt and do the following: set hw.ata.ata_dma=0 boot Scott
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?41B86489.8070306>