Date: Wed, 30 Jul 1997 22:51:05 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: nnd@itfs.nsk.su Cc: current@FreeBSD.ORG Subject: Re: code talks: announcing EIDE bus master patches Message-ID: <199707301321.WAA22357@genesis.atrad.adelaide.edu.au> In-Reply-To: <5rncuo$sp8@news.itfs.nsk.su> from "nnd@itfs.nsk.su" at "Jul 30, 97 12:44:08 pm"
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nnd@itfs.nsk.su stands accused of saying: > And the next one - when I try to set flags on wcd0 to '0xa0ffa0ff' > the system can't start - I receive: > panic - can not mount root (?) message. > Is there any possibility to avoid this panic and > fall back to PIO-mode ? We would need the 'wd*' section of the boot probe to have any chance of answering that. It's also possible that you're the first SMP user to have tried this (?). > N.Dudorov > > ------------------------------------------------------------------- > Copyright (c) 1992-1997 FreeBSD Inc. > Copyright (c) 1982, 1986, 1989, 1991, 1993 > The Regents of the University of California. All rights reserved. > FreeBSD 3.0-CURRENT #0: Wed Jul 30 18:13:59 NSS 1997 > nnd@nnd.itfs.nsk.su:/arch/3.0/src/sys/compile/SMP-NND > CPU: Pentium (586-class CPU) > Origin = "GenuineIntel" Id = 0x52c Stepping=12 > Features=0x3bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,APIC> > real memory = 67108864 (65536K bytes) > avail memory = 63660032 (62168K bytes) > FreeBSD/SMP: Multiprocessor motherboard > cpu0 (BSP): apic id: 0, version: 0x00030010, at 0xfee00000 > cpu1 (AP): apic id: 1, version: 0x00030010, at 0xfee00000 > io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000 > Probing for devices on PCI bus 0: > chip0: <Intel 82439> rev 0x01 on pci0.0.0 > chip1: <Intel 82371SB PCI to ISA bridge> rev 0x01 on pci0.7.0 > ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1 > ide_pci: warning, ide0:0 not configured for DMA? > ide_pci: warning, ide0:1 not configured for DMA? > ide_pci: warning, ide1:0 not configured for DMA? > ide_pci: warning, ide1:1 not configured for DMA? > ...... > -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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