Date: Fri, 18 Jun 1999 20:25:28 -0500 (CDT) From: Jim Bryant <jbryant@argus.tfs.net> To: lynch@bsdunix.net (Pat Lynch) Cc: freebsd-hackers@freebsd.org Subject: Re: SMP and Celerons... Message-ID: <199906190125.UAA70763@argus.tfs.net> In-Reply-To: <Pine.BSF.4.05.9906182005180.430-100000@bytor.rush.net> from Pat Lynch at "Jun 18, 99 08:11:08 pm"
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In reply:
> Heya, sorry I tried this one on -stable and -questions and noone seems to
> know, and they actually go so far as to ask me how I got two celerons in a
> motherboard...
>
> so I ask here.
>
> I have two PPGA(Socket 370) Celeron 333A's that are on MSI6905 Dual Socket
> 1 adaptors...
>
> a Tyan Thunder 2 motherboard (onboard scsi, sound, etc.)
there is a problem with the freebsd sound support for this board, but
i am told it is being worked on [?].
> I boot an SMP kernel, it gets right past autoboot... then panics
>
> the message was that it "could not find local apic"...
>
> its kinda strange because essentially with these adaptors, the celerons
> should be 1) SMP capable, and 2) the same as a PII, except no L2 cache
>
> I know others that ran FreeBSD SMP with celerons... anyone know if theres
> some kind of patch I need or modification I have to make to get either
> -CURRENT or -STABLE working on this machine? Right now it is running a UP
> kernel instead of the SMP one and runs fine.
strangeness.
i run the same board with dual pII-333's, Tyan Thunder2, S1696DLUA.
when i boot, i show two cpus and an apic. i have two theories:
1). these boards have a problem with celery.
2). you have a flaky mb. granted, i haven't heard about too many of
them being flaky, but that they have an above average reliability
level. but then, there is always someone that get s flake sooner or
later.
My experience [of about 12 days so far] is that this is a quality
midrange system, as configured here, and is maybe even a tad more
reliable than my workhorse p133 [which has had three spontaneous
reboots in the same period, but running an older -current by a few
weeks].
Unless you have some weird boards, -current currently works fine on
my system [although -current is subject to overnight changes that
produce catastrophic failures every now and then, always check which
way the wind is blowing in the -current mailing list before doing a
make installworld].
Can you borrow a couple of pII's? It would be interesting to see if
the Thunder2's have a problem sith celery.
Copyright (c) 1992-1999 The FreeBSD Project.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 4.0-CURRENT #41: Tue Jun 15 10:59:11 CDT 1999
jbryant@wahoo:/usr/src/sys/compile/WAHOO
Timecounter "i8254" frequency 1192991 Hz
CPU: Pentium II/Xeon/Celeron (686-class CPU)
Origin = "GenuineIntel" Id = 0x650 Stepping=0
Features=0x183fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
real memory = 268435456 (262144K bytes)
avail memory = 257720320 (251680K bytes)
Programming 24 pins in IOAPIC #0
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000
cpu1 (AP): apic id: 1, version: 0x00040011, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
.
.
.
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: Broken MP table detected: 8254 is not connected to IO APIC int pin 2
APIC_IO: routing 8254 via 8259 on pin 0
.
.
.
changing root device to da0s1a
[and normal boot]
jim
--
All opinions expressed are mine, if you | "I will not be pushed, stamped,
think otherwise, then go jump into turbid | briefed, debriefed, indexed, or
radioactive waters and yell WAHOO !!! | numbered!" - #1, "The Prisoner"
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