Date: Mon, 15 Nov 2004 14:04:37 -0500 From: John Baldwin <jhb@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Stephan Uphoff <ups@tree.com> Subject: Re: number of CPUs and IPI panic Message-ID: <200411151404.37030.jhb@FreeBSD.org> In-Reply-To: <4193E183.3000406@error404.nls.net> References: <20041111212920.30198.qmail@web54609.mail.yahoo.com> <4193E183.3000406@error404.nls.net>
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On Thursday 11 November 2004 05:02 pm, Ketrien I. Saihr-Kesenchedra wrote: > Nik Azim Azam wrote: > >--- Stephan Uphoff <ups@tree.com> wrote: > >> OK - now we have to play the thousand questions game > >> > >>;-) > >> > >>This happens after the system is up? > >>Can you send me the startup messages (With verbose > >>enabled)? Are there known issues with other operating systems? > >>Do you have a serial console / serial line for gdb / firewire for > >> debugging ? > >> > >>If I read your first posting correctly you have 6 pentium II overdrive > >> processors in your system (overdrive = PII with PPRO pinout). > >>Can you supply information about the vendor / chipset of your system? > > We have a very big problem here though; we're detecting 7 processors. > The ALR has a LOT of on-board logic. Handling it is very tricky; these > things required a special version of Windows NT or SCO, as I recall. We > should only be detecting 6 CPUs; we may be erroneously accepting part of > the bridging logic as a processor. (ISTR that the CPU board bridge > appears very similar to a processor.) I think an mptable dump would be > very helpful here; I'm wondering if we're not letting the board fake us > out with bridge logic presenting as a processor. It's only finding 6 processors, but the local APIC IDs are 0, 1, 2, 4, 5, and 6. I'm guessing that the I/O APIC is using APIC ID 3. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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