Date: 25 Apr 2001 11:11:25 -0400 From: Vivek Khera <khera@kcilink.com> To: stable@freebsd.org Subject: Re: What's happened with kernel option ATA_ENABLE_ATAPI_DMA? Message-ID: <x77l09vwte.fsf@onceler.kciLink.com> In-Reply-To: <878zkpxi81.fsf@juil.domain> References: <878zkpxi81.fsf@juil.domain>
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The following message is a courtesy copy of an article that has been posted to ml.freebsd.stable as well. >>>>> "IM" == Ilya Martynov <m_ilya@agava.com> writes: IM> I'm trying to upgrade to 4.3-STABLE and I've found that my kernel IM> doesn't want to build because its config has wrong option IM> ATA_ENABLE_ATAPI_DMA. Have been this option removed in 4.3? I did not IM> found anything related neither in /usr/src/UPDATING, in release notes IM> or in mailist search results. It should have come up in the mailing list search, but it *really* shold be in the UPDATING file since it is an incompatible change. What you need to do is this: echo 'hw.ata.atapi_dma="1"' >> /boot/loader.conf and reboot. Compare the /var/run/dmesg.boot output of before and after to see that your ATAPI devices are using DMA rather than PIO. -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Vivek Khera, Ph.D. Khera Communications, Inc. Internet: khera@kciLink.com Rockville, MD +1-240-453-8497 AIM: vivekkhera Y!: vivek_khera http://www.khera.org/~vivek/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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