On Wednesday, 30 March 2005 at 21:28:36 -0700, Scott Long wrote:Greg 'groggy' Lehey wrote:On Wednesday, 30 March 2005 at 23:01:03 -0500, John Baldwin wrote:On Mar 30, 2005, at 8:54 PM, Greg 'groggy' Lehey wrote:lapic0: LINT1 trigger: edge lapic0: LINT1 polarity: high lapic1: Routing NMI -> LINT1 lapic1: LINT1 trigger: edge lapic1: LINT1 polarity: high -ioapic0 <Version 0.3> irqs 0-23 on motherboard +ioapic0 <Version 0.0> irqs 0-23 on motherboard cpu0 BSP: ID: 0x00000000 VER: 0x00040010 LDR: 0x01000000 DFR: 0x0fffffff lint0: 0x00010700 lint1: 0x00000400 TPR: 0x00000000 SVR: 0x000001ff
This shows that in the - case the APIC is broken somehow (0.0 isn't a valid I/O APIC version).
You mean the + case, I suppose. Yes, that's what I suspected.
It would seem that the system has mapped RAM over top of the I/O APIC perhaps?
That's what I suspected too, but imp doesn't think so.
I'd be more inclined to believe that there is an erroneous mapping by the OS, not that things are fundamentally broken in hardware.
Agreed. This has been my favourite hypothesis all along. But isn't that what jhb is saying?
Your SMAP table shows everything correctly. It's becoming hard to break through your pre-concieved notions here and explain how things actually work.
No, there's nothing to break through. I think you're just having problems
1. expressing yourself, and 2. understanding what I'm saying.
I have no preconceived notions. All I can see here is an antagonistic attitude on your part. What's the problem? You'll recall from my first message that I asked for suggestions about how to approach the issue. jhb provided some; you haven't so far. From what you've written, it's unclear whether you disagree with jhb or not. If you do, why? If you don't, what's your point here?
It would be interesting to see the contents of your MADT to see if it's trying to use a 64-bit PA for your APIC.
Any suggestions about how to do so?
man acpidump
How do you run that on a system that won't boot?
You said the system worked with 4 GB (albeit detecting only 3.5 GB). My perception of this whole ACPI thing is that it is fixed in your BIOS (although it can be overridden by the OS). As such, the amount of RAM you have in the machine shouldn't change acpidump results. Is that not correct?
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