From owner-freebsd-questions Sat Apr 28 20: 8:54 2001 Delivered-To: freebsd-questions@freebsd.org Received: from hotmail.com (oe62.law12.hotmail.com [64.4.18.197]) by hub.freebsd.org (Postfix) with ESMTP id 6657C37B423 for ; Sat, 28 Apr 2001 20:08:51 -0700 (PDT) (envelope-from alextats@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sat, 28 Apr 2001 20:08:51 -0700 X-Originating-IP: [195.248.191.65] From: "Alexander Tatsyuk" To: Subject: how to disable udma mode Date: Sun, 29 Apr 2001 06:10:52 +0300 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01C0D073.24E3CFE0" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 Message-ID: X-OriginalArrivalTime: 29 Apr 2001 03:08:51.0304 (UTC) FILETIME=[B7580680:01C0D059] Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C0D073.24E3CFE0 Content-Type: text/plain; charset="koi8-r" Content-Transfer-Encoding: quoted-printable I heve a problem. Sometimes there is error message appear: "ad0: UDMA ICRC READ ERROR blk#.......retrying" (can appear several = times together) "ad0: UDMA ICRC READ ERROR blk#....... falling back to PIO mode" How to fix this problem without disabling ultra DMA mode, or what string = should I add or remove in my kernel configuration file to disable ultra = DMA mode support to HDD at startup? Thanks. ------=_NextPart_000_0005_01C0D073.24E3CFE0 Content-Type: text/html; charset="koi8-r" Content-Transfer-Encoding: quoted-printable

I heve a problem. Sometimes there is = error message=20 appear:

"ad0: UDMA ICRC READ=20 ERROR blk#.......retrying" (can appear several times=20 together)

"ad0: UDMA ICRC READ = ERROR blk#....... falling=20 back to PIO mode"

How to fix this problem without = disabling ultra DMA=20 mode, or what string should I add or remove in my kernel configuration = file to=20 disable ultra DMA mode support to HDD at startup?

Thanks.

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