Date: Sat, 3 Oct 1998 04:28:21 -0700 From: Ulf Zimmermann <ulf@Alameda.net> To: Steve Passe <smp@csn.net> Cc: current@FreeBSD.ORG Subject: Re: 3.0-19980930-BETA, Tyan TomCat II Dual P5-166 is having problems Message-ID: <19981003042821.A10733@Alameda.net> In-Reply-To: <199810021502.JAA04264@Ilsa.StevesCafe.com>; from Steve Passe on Fri, Oct 02, 1998 at 09:02:10AM -0600 References: <19981002004446.A26323@Alameda.net> <199810021502.JAA04264@Ilsa.StevesCafe.com>
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On Fri, Oct 02, 1998 at 09:02:10AM -0600, Steve Passe wrote:
> Hi,
>
> > If I bring the system up in single CPU mode, everything is fine.
> > Starting up SMP, I get the message that the MP table is broken, routing
> > via pin 0. The person who gave me the board, said he had it working with
> > an earlier snap shot and Linux and it was reporting "routing via pin 2"
> > (at least under Linux, he can't remember FreeBSD).
> >
> > The system comes up, but then I get 20-25% of the CPU time eaten by
> > interrupts, everytime the IRQ of the fxp card. There is no traffic
> > going out and almost no traffic coming in (a few broadcasts).
> >
> > systat -vmstat reports 28,000 to 40,000 interrupts on the IRQ of the
> > network card.
> >
> > Any idea what is broken ?
>
> the "MP table is broken, routing via pin 0" line refers to the routing of the
> 8254 clock INT. If this is getting mis-routed (ie left floating) it might
> generate copious INTs. Try removing the network card, then boot. If you
> still get the INTs look at the pin 0 vs. pin 2 issue. If they go away it
> probably is something about the network card.
>
> Post the output of the 'mptable' program to the smp list.
Ok, I moved the Intel card from slot 4 to slot 2 and the IRQs got
swapped (GFX had 17, now 19. Fxp had 19, now 17). No more problems
with the amount of interrupts.
Mptable:
===============================================================================
MPTable, version 2.0.15
-------------------------------------------------------------------------------
MP Floating Pointer Structure:
location: BIOS
physical address: 0x000f5a60
signature: '_MP_'
length: 16 bytes
version: 1.4
checksum: 0xc3
mode: Virtual Wire
-------------------------------------------------------------------------------
MP Config Table Header:
physical address: 0x000f5a74
signature: 'PCMP'
base table length: 396
version: 1.1
checksum: 0x3a
OEM ID: 'OEM00000'
Product ID: 'PROD00000000'
OEM table pointer: 0x00000000
OEM table size: 0
entry count: 28
local APIC address: 0xfee00000
extended table length: 0
extended table checksum: 0
-------------------------------------------------------------------------------
MP Config Base Table Entries:
--
Processors: APIC ID Version State Family Model Step Flags
0 0x11 BSP, usable 5 2 1 0x07bf
1 0x11 AP, usable 5 2 1 0x07bf
--
Bus: Bus ID Type
0 PCI
1 ISA
--
I/O APICs: APIC ID Version State Address
2 0x11 usable 0xfec00000
--
I/O Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT conforms conforms 1 0 2 0
INT conforms conforms 1 1 2 1
INT conforms conforms 1 0 2 2
INT conforms conforms 1 3 2 3
INT conforms conforms 1 4 2 4
INT conforms conforms 1 5 2 5
INT conforms conforms 1 6 2 6
INT conforms conforms 1 7 2 7
INT conforms conforms 1 8 2 8
INT conforms conforms 1 9 2 9
INT conforms conforms 1 10 2 10
INT conforms conforms 1 11 2 11
INT conforms conforms 1 12 2 12
INT conforms conforms 1 13 2 13
INT conforms conforms 1 14 2 14
INT conforms conforms 1 15 2 15
INT active-lo level 0 20:A 2 16
INT active-lo level 0 19:A 2 17
INT active-lo level 0 18:A 2 18
INT active-lo level 0 17:A 2 19
SMI conforms conforms 1 0 2 23
--
Local Ints: Type Polarity Trigger Bus ID IRQ APIC ID PIN#
ExtINT conforms conforms 0 0:A 255 0
NMI conforms conforms 0 0:A 255 1
-------------------------------------------------------------------------------
# SMP kernel config file options:
# Required:
options SMP # Symmetric MultiProcessor Kernel
options APIC_IO # Symmetric (APIC) I/O
# Optional (built-in defaults will work in most cases):
#options NCPU=2 # number of CPUs
#options NBUS=2 # number of busses
#options NAPIC=1 # number of IO APICs
#options NINTR=24 # number of INTs
===============================================================================
Dmesg:
FreeBSD 3.0-19980930-BETA #2: Thu Oct 1 23:19:57 PDT 1998
root@PacHell.TelcoSucks.org:/usr/src/sys/compile/PACHELL-SMP
Timecounter "i8254" frequency 1193182 Hz cost 2553 ns
CPU: Pentium/P54C (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 = 62681088 (61212K bytes)
Programming 24 pins in IOAPIC #0
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 0x00 on pci0.7.0
vga0: <Matrox MGA 1024SG graphics accelerator> rev 0x03 int a irq 19 on pci0.17.
0
fxp0: <Intel EtherExpress Pro 10/100B Ethernet> rev 0x05 int a irq 17 on pci0.19
.0
fxp0: Ethernet address 00:a0:c9:e8:b4:2a
ahc0: <Adaptec 2940 Ultra SCSI adapter> rev 0x01 int a irq 16 on pci0.20.0
ahc0: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
Probing for PnP devices:
CSN 1 Vendor ID: CTL0070 [0x70008c0e] Serial 0xffffffff Comp ID: PNPb02f [0x2fb0
d041]
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
psm0 at 0x60-0x64 irq 12 on motherboard
psm0: model Generic PS/2 mouse, device ID 0
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: FIFO enabled, 8 bytes threshold
fd0: 1.44MB 3.5in
npx0 on motherboard
npx0: INT 16 interface
Intel Pentium F00F detected, installing workaround
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
SMP: AP CPU #1 Launched!
I am getting the same APIC_IO message with and without the fxp card.
>
> --
> Steve Passe | powered by
> smp@csn.net | Symmetric MultiProcessor FreeBSD
>
--
Regards, Ulf.
---------------------------------------------------------------------
Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936
Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073
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