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Date:      Fri, 2 Dec 2005 09:56:50 -0800
From:      David Paul Zimmerman <dpz@ack.berkeley.edu>
To:        John Baldwin <jhb@freebsd.org>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: FreeBSD 5.4/6.0 on Virtual PC 7?
Message-ID:  <d1ad3a231804de8a92570953cf16341a@ack.berkeley.edu>
In-Reply-To: <200511142307.13229.jhb@freebsd.org>
References:  <200511102046.jAAKkxDE057999@fire.jhs.private> <200511141926.03382.jhb@freebsd.org> <c07c8ff94c781f23e5235085a2af7290@ack.berkeley.edu> <200511142307.13229.jhb@freebsd.org>

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On Nov 14, 2005, at 8:07 PM, John Baldwin wrote:

> On Monday 14 November 2005 07:51 pm, David Paul Zimmerman wrote:
>> On Nov 14, 2005, at 4:26 PM, John Baldwin wrote:
>>>
>>> Hmm, do you have a dmesg from a 5.4 or 6.0 boot handy to compare this
>>> with?
>>
>> Sure do, here's the output from dmesg on my FreeBSD 5.4 VPC7 virtual
>> machine (booted from ISO image, had to use FTP as the installation
>> media, later cvsup'd to 5-STABLE):
>>
>> Copyright (c) 1992-2005 The FreeBSD Project.
>> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 
>> 1994
>>          The Regents of the University of California. All rights
>> reserved.
>> FreeBSD 5.4-STABLE #1: Tue Apr 12 21:20:28 PDT 2005
>>      root@vfreebsd5.net.berkeley.edu:/usr/obj/usr/src/sys/GENERIC
>> Timecounter "i8254" frequency 1193182 Hz quality 0
>> CPU: Pentium Pro (627.11-MHz 686-class CPU)
>>    Origin = "Virtual CPU "  Id = 0x684
>> real memory  = 268435456 (256 MB)
>> avail memory = 253034496 (241 MB)
>> npx0: <math processor> on motherboard
>> npx0: INT 16 interface
>> cpu0 on motherboard
>> pcib0: <Intel 82443BX host to PCI bridge (AGP disabled)> pcibus 0 on
>> motherboard
>> pci0: <PCI bus> on pcib0
>> isab0: <PCI-ISA bridge> at device 7.0 on pci0
>> isa0: <ISA bus> on isab0
>> atapci0: <Intel PIIX4 UDMA33 controller> port
>> 0xffa0-0xffaf,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 7.1 on 
>> pci0
>> ata0: channel #0 on atapci0
>> ata1: channel #1 on atapci0
>> pci0: <old, non-VGA display device> at device 7.2 (no driver attached)
>> pci0: <bridge> at device 7.3 (no driver attached)
>> pci0: <display, VGA> at device 8.0 (no driver attached)
>> de0: <Digital 21041 Ethernet> port 0xec00-0xec7f mem
>> 0xfebff000-0xfebfffff irq 11 at device 10.0 on pci0
>> de0: 21041 [10Mb/s] pass 1.1
>> de0: Ethernet address: 00:03:ff:c1:19:4c
>> de0: if_start running deferred for Giant
>> orm0: <ISA Option ROM> at iomem 0xc0000-0xc9fff on isa0
>> pmtimer0 on isa0
>> atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
>> atkbd0: <AT Keyboard> irq 1 on atkbdc0
>> kbd0 at atkbd0
>> psm0: <PS/2 Mouse> irq 12 on atkbdc0
>> psm0: model IntelliMouse, device ID 3
>> ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
>> ppc0: Generic chipset (EPP/NIBBLE) in COMPATIBLE mode
>> ppbus0: <Parallel port bus> on ppc0
>> plip0: <PLIP network interface> on ppbus0
>> lpt0: <Printer> on ppbus0
>> lpt0: Interrupt-driven port
>> ppi0: <Parallel I/O> on ppbus0
>> sc0: <System console> at flags 0x100 on isa0
>> sc0: VGA <16 virtual consoles, flags=0x300>
>> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
>> sio0: type 16550A
>> sio1 at port 0x2f8-0x2ff irq 3 on isa0
>> sio1: type 16550A
>> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
>> isa0
>> unknown: <PNP0303> can't assign resources (port)
>> unknown: <PNP0f13> can't assign resources (irq)
>> unknown: <PNP0501> can't assign resources (port)
>> unknown: <PNP0501> can't assign resources (port)
>> unknown: <PNP0400> can't assign resources (port)
>> unknown: <PNP0c02> can't assign resources (port)
>> Timecounter "TSC" frequency 627114896 Hz quality 800
>> Timecounters tick every 10.000 msec
>> de0: enabling 10baseT port
>> ad0: 5119MB <Virtual HD/1. 1> [10402/16/63] at ata0-master WDMA2
>> Mounting root from ufs:/dev/ad0s1a
>>
>> The "PNP" errors look relevant, but I'm not enough of a device kinda
>> guy to interpret them.
>
> You can ignore them.  They are for your keyboard and com ports and 
> such and
> those were already probed via hints.  Your PCI device at 7.2 is very 
> weird as
> it seems to return 0000's for everything which is odd.  You might 
> consider
> disabling PCI power stuff (I think it's hw.pci.do_powerstate=0 or some 
> such,
> check sysctl for a sysctl with 'power' and 'pci' in the name and set 
> it to 0
> in the loader and see if that makes a difference on 5.x and 6.0).

Finally got some time to work on this again.  I tried both 
hw.pci.do_powerstate=0 and hw.pci.do_powerstate=1 on my 5.4 virtual 
system, no difference.  (In fact, =0 appears to be the default.)  I 
can't get 6.0 installed standalone right now to check what it thinks -- 
for the reasons of this thread -- but seems to be the same symptoms.

		dp




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