Date: Fri, 30 May 2003 09:50:07 -0700 From: Rich Morin <rdm@cfcl.com> To: freebsd-questions@freebsd.org Subject: Re: Boot problem: "ata0: resetting devices" Message-ID: <p05200f2abafd3ad5b917@[192.168.254.205]> In-Reply-To: <200305300729.41685.kstewart@owt.com> References: <p05200f16bafb423c7331@[192.168.254.205]> <200305300205.45549.kstewart@owt.com> <p05200f27bafcd6a83e18@[192.168.254.205]> <200305300729.41685.kstewart@owt.com>
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At 7:29 AM -0700 5/30/03, Kent Stewart wrote: >I use the Promise TX2 and Maxtor pci cards in several systems. I >just dropped them in and they worked. You would have to boot scsi. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ So, you're saying that I can't boot from an ATA drive on a PCI-based controller card? What is the background for this limitation? Also, I'm curious about the effects of turning off hw.ata.ata_dma; outside of using some CPU time, what are the likely effects of this. For instance, is this likely to slow down disk transfers, assuming that the system is mostly idle? -r -- email: rdm@cfcl.com; phone: +1 650-873-7841 http://www.cfcl.com/rdm - my home page, resume, etc. http://www.cfcl.com/Meta - The FreeBSD Browser, Meta Project, etc. http://www.ptf.com/dossier - Prime Time Freeware's DOSSIER series http://www.ptf.com/tdc - Prime Time Freeware's Darwin Collection
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