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List: linux-smp
Subject: unexpected IO-APIC
From: Schulman.Andrew () epamail ! epa ! gov
Date: 2003-07-29 13:52:01
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In my boot messages, I got an "unexpected IO-APIC" warning. I'm running
kernel 2.4.21 on an Abit IS7 motherboard with P4-2.4C. The output of
dmesg is below. Please let me know if you'd like me to provide more
information.
Andrew Schulman.
$ dmesg
Linux version 2.4.21 (root@arsenic) (gcc version 2.95.4 20011002 (Debian
prerelease)) #1 Mon Jul 28 15:17:12 EDT 2003
BIOS-provided physical RAM map:
BIOS-e820: 0000000000000000 - 000000000009f800 (usable)
BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved)
BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
BIOS-e820: 0000000000100000 - 000000003fff0000 (usable)
BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data)
BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
user-defined physical RAM map:
user: 0000000000000000 - 000000000009f800 (usable)
user: 000000000009f800 - 00000000000a0000 (reserved)
user: 00000000000f0000 - 0000000000100000 (reserved)
user: 0000000000100000 - 000000003fff0000 (usable)
user: 000000003fff0000 - 000000003fff3000 (ACPI NVS)
user: 000000003fff3000 - 0000000040000000 (ACPI data)
user: 00000000fec00000 - 0000000100000000 (reserved)
127MB HIGHMEM available.
896MB LOWMEM available.
found SMP MP-table at 000f5ce0
hm, page 000f5000 reserved twice.
hm, page 000f6000 reserved twice.
hm, page 000f0000 reserved twice.
hm, page 000f1000 reserved twice.
On node 0 totalpages: 262128
zone(0): 4096 pages.
zone(1): 225280 pages.
zone(2): 32752 pages.
ACPI: Searched entire block, no RSDP was found.
ACPI: RSDP located at physical address c00f7b10
RSD PTR v0 [IntelR]
__va_range(0x3fff3000, 0x68): idx=8 mapped at ffff6000
ACPI table found: RSDT v1 [IntelR AWRDACPI 16944.11825]
__va_range(0x3fff3040, 0x24): idx=8 mapped at ffff6000
__va_range(0x3fff3040, 0x74): idx=8 mapped at ffff6000
ACPI table found: FACP v1 [IntelR AWRDACPI 16944.11825]
__va_range(0x3fff75c0, 0x24): idx=8 mapped at ffff6000
__va_range(0x3fff75c0, 0x68): idx=8 mapped at ffff6000
ACPI table found: APIC v1 [IntelR AWRDACPI 16944.11825]
__va_range(0x3fff75c0, 0x68): idx=8 mapped at ffff6000
LAPIC (acpi_id[0x0000] id[0x0] enabled[1])
CPU 0 (0x0000) enabledProcessor #0 Pentium 4(tm) XEON(tm) APIC version
16
LAPIC (acpi_id[0x0001] id[0x1] enabled[1])
CPU 1 (0x0100) enabledProcessor #1 Pentium 4(tm) XEON(tm) APIC version
16
IOAPIC (id[0x2] address[0xfec00000] global_irq_base[0x0])
INT_SRC_OVR (bus[0] irq[0x0] global_irq[0x2] polarity[0x0] trigger[0x0])
INT_SRC_OVR (bus[0] irq[0x9] global_irq[0x9] polarity[0x1] trigger[0x3])
LAPIC_NMI (acpi_id[0x0000] polarity[0x1] trigger[0x1] lint[0x1])
LAPIC_NMI (acpi_id[0x0001] polarity[0x1] trigger[0x1] lint[0x1])
2 CPUs total
Local APIC address fee00000
Enabling the CPU's according to the ACPI table
Intel MultiProcessor Specification v1.4
Virtual Wire compatibility mode.
OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000
I/O APIC #2 Version 17 at 0xFEC00000.
Enabling APIC mode: Flat. Using 1 I/O APICs
Processors: 2
Kernel command line: BOOT_IMAGE=Linux ro root=306 mem=1024m hdc=ide-scsi
scsihosts=ide-scsi:dc395x_trm 2.4.21
ide_setup: hdc=ide-scsi
Initializing CPU#0
Detected 2405.497 MHz processor.
Console: colour VGA+ 80x25
Calibrating delay loop... 4797.23 BogoMIPS
Memory: 1034176k/1048512k available (891k kernel code, 13948k reserved,
405k data, 80k init, 131008k highmem)
Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
Inode cache hash table entries: 65536 (order: 7, 524288 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 65536 (order: 6, 262144 bytes)
Page-cache hash table entries: 262144 (order: 8, 1048576 bytes)
CPU: Trace cache: 12K uops, L1 D cache: 8K
CPU: L2 cache: 512K
Intel machine check architecture supported.
Intel machine check reporting enabled on CPU#0.
CPU: After generic, caps: bfebfbff 00000000 00000000 00000000
CPU: Common caps: bfebfbff 00000000 00000000 00000000
CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz stepping 09
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
enabled ExtINT on CPU#0
ESR value before enabling vector: 00000000
ESR value after enabling vector: 00000000
ENABLING IO-APIC IRQs
Setting 2 in the phys_id_present_map
...changing IO-APIC physical APIC ID to 2 ... ok.
init IO_APIC IRQs
IO-APIC (apicid-pin) 2-0, 2-5, 2-9, 2-10, 2-11, 2-21, 2-22 not
connected.
..TIMER: vector=0x31 pin1=2 pin2=0
number of MP IRQ sources: 25.
number of IO-APIC #2 registers: 24.
testing the IO APIC.......................
IO APIC #2......
.... register #00: 02000000
....... : physical APIC id: 02
....... : Delivery Type: 0
....... : LTS : 0
.... register #01: 00178020
....... : max redirection entries: 0017
....... : PRQ implemented: 1
....... : IO APIC version: 0020
.... register #02: 00178020
....... : arbitration: 00
An unexpected IO-APIC was found. If this kernel release is less than
three months old please report this to linux-smp@vger.kernel.org
.... IRQ redirection table:
NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect:
00 000 00 1 0 0 0 0 0 0 00
01 001 01 0 0 0 0 0 1 1 39
02 001 01 0 0 0 0 0 1 1 31
03 001 01 0 0 0 0 0 1 1 41
04 001 01 0 0 0 0 0 1 1 49
05 000 00 1 0 0 0 0 0 0 00
06 001 01 0 0 0 0 0 1 1 51
07 001 01 0 0 0 0 0 1 1 59
08 001 01 0 0 0 0 0 1 1 61
09 000 00 1 0 0 0 0 0 0 00
0a 000 00 1 0 0 0 0 0 0 00
0b 000 00 1 0 0 0 0 0 0 00
0c 001 01 0 0 0 0 0 1 1 69
0d 001 01 0 0 0 0 0 1 1 71
0e 001 01 0 0 0 0 0 1 1 79
0f 001 01 0 0 0 0 0 1 1 81
10 001 01 1 1 0 1 0 1 1 89
11 001 01 1 1 0 1 0 1 1 91
12 001 01 1 1 0 1 0 1 1 99
13 001 01 1 1 0 1 0 1 1 A1
14 001 01 1 1 0 1 0 1 1 A9
15 000 00 1 0 0 0 0 0 0 00
16 000 00 1 0 0 0 0 0 0 00
17 001 01 1 1 0 1 0 1 1 B1
IRQ to pin mappings:
IRQ0 -> 0:2
IRQ1 -> 0:1
IRQ3 -> 0:3
IRQ4 -> 0:4
IRQ6 -> 0:6
IRQ7 -> 0:7
IRQ8 -> 0:8
IRQ12 -> 0:12
IRQ13 -> 0:13
IRQ14 -> 0:14
IRQ15 -> 0:15
IRQ16 -> 0:16
IRQ17 -> 0:17
IRQ18 -> 0:18
IRQ19 -> 0:19
IRQ20 -> 0:20
IRQ23 -> 0:23
.................................... done.
Using local APIC timer interrupts.
calibrating APIC timer ...
..... CPU clock speed is 2405.4396 MHz.
..... host bus clock speed is 200.4531 MHz.
cpu: 0, clocks: 2004531, slice: 1002265
CPU0<T0:2004528,T1:1002256,D:7,S:1002265,C:2004531>
mtrr: v1.40 (20010327) Richard Gooch (rgooch@atnf.csiro.au)
mtrr: detected mtrr type: Intel
PCI: PCI BIOS revision 2.10 entry at 0xfbb20, last bus=2
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Ignoring BAR0-3 of IDE controller 00:1f.1
Transparent bridge - Intel Corp. 82801BA/CA/DB PCI Bridge
PCI: Using IRQ router default [8086/24d0] at 00:1f.0
PCI->APIC IRQ transform: (B0,I29,P0) -> 16
PCI->APIC IRQ transform: (B0,I29,P1) -> 19
PCI->APIC IRQ transform: (B0,I29,P2) -> 18
PCI->APIC IRQ transform: (B0,I29,P0) -> 16
PCI->APIC IRQ transform: (B0,I29,P3) -> 23
PCI->APIC IRQ transform: (B0,I31,P0) -> 18
PCI->APIC IRQ transform: (B0,I31,P0) -> 18
PCI->APIC IRQ transform: (B0,I31,P1) -> 17
PCI->APIC IRQ transform: (B0,I31,P1) -> 17
PCI->APIC IRQ transform: (B1,I0,P0) -> 16
PCI->APIC IRQ transform: (B2,I1,P0) -> 17
PCI->APIC IRQ transform: (B2,I2,P0) -> 18
PCI->APIC IRQ transform: (B2,I4,P0) -> 20
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
allocated 32 pages and 32 bhs reserved for the highmem bounces
devfs: v1.12c (20020818) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x0
ACPI: Core Subsystem version [20011018]
ACPI: Subsystem enabled
pty: 256 Unix98 ptys configured
Floppy drive(s): fd0 is 1.44M
FDC 0 is a post-1991 82077
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Uniform Multi-Platform E-IDE driver Revision: 7.00beta4-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with
idebus=xx
hda: Maxtor 6E030L0, ATA DISK drive
hdb: IBM-DTLA-307030, ATA DISK drive
hdc: DM-2000TE, ATAPI CD/DVD-ROM drive
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
ide1 at 0x170-0x177,0x376 on irq 15
hda: attached ide-disk driver.
hda: host protected area => 1
hda: 60058656 sectors (30750 MB) w/2048KiB Cache, CHS=3738/255/63
hdb: attached ide-disk driver.
hdb: host protected area => 1
hdb: 60036480 sectors (30739 MB) w/1916KiB Cache, CHS=3737/255/63
Partition check:
/dev/ide/host0/bus0/target0/lun0: p1 p3 < p5 p6 p7 p8 >
/dev/ide/host0/bus0/target1/lun0: p1 < p5 > p2
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 8192 buckets, 64Kbytes
TCP: Hash tables configured (established 262144 bind 65536)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 80k freed
Real Time Clock Driver v1.10e
SCSI subsystem driver Revision: 1.00
hdc: attached ide-scsi driver.
scsi0 : SCSI host adapter emulation for IDE ATAPI devices
Vendor: MITSUMI Model: DM-2000TE Rev: 5.AV
Type: CD-ROM ANSI SCSI revision: 02
DC395x (TRM-S1040) SCSI driver 1.41, 2002-06-21
DC395x: Used settings: AdapterID=07, Speed=0(20.0MHz), DevMode=0x77
DC395x: AdaptMode=0x0f, Tags=4(16), DelayReset=1s
DC395W: Connectors: int50 Termination: Auto Low High
DC395: Performing initial SCSI bus reset
DC395x (TRM-S1040): 1 adapters found
scsi1 : Tekram DC395U/UW/F DC315/U V1.41, 2002-06-21
Vendor: Seagate Model: STT20000N Rev: 7A61
Type: Sequential-Access ANSI SCSI revision: 02
Vendor: HP Model: CD-Writer+ 9200 Rev: 1.0e
Type: CD-ROM ANSI SCSI revision: 04
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ
SERIAL_PCI enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A
NTFS driver v1.1.22 [Flags: R/O MODULE]
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.275 $ time 15:19:37 Jul 28 2003
usb-uhci.c: High bandwidth mode enabled
PCI: Setting latency timer of device 00:1d.0 to 64
usb-uhci.c: USB UHCI at I/O 0xbc00, IRQ 16
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Setting latency timer of device 00:1d.1 to 64
usb-uhci.c: USB UHCI at I/O 0xb000, IRQ 19
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Setting latency timer of device 00:1d.2 to 64
usb-uhci.c: USB UHCI at I/O 0xb400, IRQ 18
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 3
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Setting latency timer of device 00:1d.3 to 64
usb-uhci.c: USB UHCI at I/O 0xb800, IRQ 16
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 4
hub.c: USB hub found
hub.c: 2 ports detected
usb-uhci.c: v1.275:USB Universal Host Controller Interface driver
hub.c: new USB device 00:1d.3-2, assigned address 2
usb.c: USB device 2 (vend/prod 0x67b/0x1) is not claimed by any active
driver.
usb.c: registered new driver usbnet
usb0: register usbnet usb-00:1d.3-2, Prolific PL-2301/PL-2302
3C2000: 3Com Gigabit NIC Driver Version A10
Copyright (C) 2003 3Com Corporation.
Copyright (C) 2003 Marvell.
eth0: 3Com Gigabit LOM (3C940)
PrefPort:A RlmtMode:Check Link State
eth0: network connection up using port A
speed: 10
autonegotiation: yes
duplex mode: half
flowctrl: none
scatter-gather: enabled
eth0: network connection down
ip_tables: (C) 2000-2002 Netfilter core team
ip_conntrack version 2.1 (8191 buckets, 65528 max) - 292 bytes per
conntrack
eth0: network connection up using port A
speed: 10
autonegotiation: yes
duplex mode: half
flowctrl: none
scatter-gather: enabled
parport0: PC-style at 0x378 [PCSPP,TRISTATE]
parport0: Printer, HEWLETT-PACKARD DESKJET 990C
lp0: using parport0 (polling).
nvidia: loading NVIDIA NVdriver Kernel Module 1.0-2880 Tue Mar 26
08:12:38 PST 2002
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 941M
agpgart: Unsupported Intel chipset (device id: 2570), you might want to
try agp_try_unsupported=1.
agpgart: no supported devices found.
NVRM: AGPGART: unable to retrieve symbol table
hda: lost interrupt
hda: lost interrupt
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 941M
agpgart: Unsupported Intel chipset (device id: 2570), you might want to
try agp_try_unsupported=1.
agpgart: no supported devices found.
NVRM: AGPGART: unable to retrieve symbol table
Linux agpgart interface v0.99 (c) Jeff Hartmann
agpgart: Maximum main memory to use for agp memory: 941M
agpgart: Unsupported Intel chipset (device id: 2570), you might want to
try agp_try_unsupported=1.
agpgart: no supported devices found.
NVRM: AGPGART: unable to retrieve symbol table
hda: lost interrupt
hda: lost interrupt
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