Date: Mon, 8 Mar 2004 02:39:05 -0800 (PST) From: Balázs Nagy <js@iksz.hu> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/63923: cannot boot from SATA when ata dma is disabled Message-ID: <200403081039.i28Ad5Kf026077@www.freebsd.org> Resent-Message-ID: <200403081040.i28AeAEx003745@freefall.freebsd.org>
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>Number: 63923 >Category: misc >Synopsis: cannot boot from SATA when ata dma is disabled >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 08 02:40:10 PST 2004 >Closed-Date: >Last-Modified: >Originator: Balázs Nagy >Release: FreeBSD tcb.aranyoroszlan.hu 5.2.1-RC FreeBSD 5.2.1-RC #0: Sat Jan 31 05:36:22 GMT 2004 root@cypress.btc.adpatec.com:/usr/obj/usr/src/sys/GENERIC i386 >Organization: >Environment: FreeBSD tcb.aranyoroszlan.hu 5.2.1-RELEASE-p1 FreeBSD 5.2.1-RELEASE-p1 #0: Sun Mar 7 21:44:21 CET 2004 root@tcb.aranyoroszlan.hu:/opt/devel/obj/opt/devel/src/sys/SAMU i386 >Description: Until DMA bugs exist in 5_2_RELENG systems, I have to disable DMA to keep it stable. I have an Abit IS-7E motherboard with two Maxtor SATA 160G disks. I cannot safe boot nor boot with hw.ata.ata_dma="0" with my latest kernel. It hangs at 'Mounting root from ufs:/dev/vinum/root' prompt. I tried with no vinum boot (ufs:ad4s1a), with no success. Appropriate lines from dmesg (with 5.2.1-RC kernel): atapci1: <Intel ICH5 SATA150 controller> port 0xd000-0xd00f,0xcc00-0xcc03,0xc800-0xc807,0xc400-0xc403,0xc000-0xc007 irq 18 at device 31.2 on pci0 atapci1: [MPSAFE] ata2: at 0xc000 on atapci1 ata2: [MPSAFE] ata3: at 0xc800 on atapci1 ata3: [MPSAFE] .. GEOM: create disk ad4 dp=0xc6b6b960 ad4: 152627MB <Maxtor 6Y160M0> [310101/16/63] at ata2-master PIO4 GEOM: create disk ad6 dp=0xc6b6b560 ad6: 150100MB <Maxtor 6Y160M0> [304965/16/63] at ata3-master PIO4 >How-To-Repeat: 1. compile latest src with 5_2_RELENG tag 2. boot with hw.ata.ata_dma="0", using an ICH5-based motherboard with SATA disks 3. boot will hang at the prompt "Mounting root from ..." >Fix: 5.2.1-RC kernel works with dma disabled >Release-Note: >Audit-Trail: >Unformatted:
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