From mboxrd@z Thu Jan 1 00:00:00 1970 From: Milan Kerslager Subject: Unexpected IO-APIC Date: Thu, 10 Apr 2003 14:22:35 +0200 Sender: linux-smp-owner@vger.kernel.org Message-ID: <20030410122235.GC7149@pluto.pslib.cz> Mime-Version: 1.0 Return-path: Content-Disposition: inline List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-smp@vger.kernel.org Hi, I found 'An unexpected IO-APIC' message in my kernel. This is: 2.4.20-9smp #1 SMP Wed Apr 2 13:28:49 EST 2003 i686 i686 i386 GNU/Linux from kernel-smp-2.4.20-9.i686.rpm (Red Hat Linux 9), updated from RHN by https://rhn.redhat.com/errata/RHSA-2003-135.html My mainboard it HT-enabled dual Xeon system, MB is Intel SE7500CW2. Output of dmesg: CPU: Common caps: 3febfbff 00000000 00000000 00000000 CPU3: Intel(R) XEON(TM) CPU 2.00GHz stepping 04 Total of 4 processors activated (15977.67 BogoMIPS). cpu_sibling_map[0] = 1 cpu_sibling_map[1] = 0 cpu_sibling_map[2] = 3 cpu_sibling_map[3] = 2 ENABLING IO-APIC IRQs Setting 2 in the phys_id_present_map ...changing IO-APIC physical APIC ID to 2 ... ok. Setting 3 in the phys_id_present_map ...changing IO-APIC physical APIC ID to 3 ... ok. Setting 4 in the phys_id_present_map ...changing IO-APIC physical APIC ID to 4 ... ok. init IO_APIC IRQs IO-APIC (apicid-pin) 2-0, 2-5, 2-10, 2-11, 2-18, 2-22, 3-1, 3-2, 3-3, 3-4, 3-5, 3-6, 3-7, 3-8, 3-9, 3-10, 3-11, 3-12, 3-13, 3-14, 3-15, 3-16, 3-17, 3-18, 3-19, 3-20, 3-21, 3-22, 3-23, 4-0, 4-1, 4-2, 4-3, 4-4, 4-5, 4-6, 4-7, 4-8, 4-9, 4-10, 4-11, 4-12, 4-13, 4-14, 4-15, 4-16, 4-17, 4-18, 4-19, 4-20, 4-21, 4-22, 4-23 not connected. ..TIMER: vector=0x31 pin1=2 pin2=0 number of MP IRQ sources: 20. number of IO-APIC #2 registers: 24. number of IO-APIC #3 registers: 24. number of IO-APIC #4 registers: 24. testing the IO APIC....................... IO APIC #2...... .... register #00: 02008000 ....... : physical APIC id: 02 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 .... register #01: 00178020 ....... : max redirection entries: 0017 ....... : PRQ implemented: 1 ....... : IO APIC version: 0020 .... register #02: 00000000 ....... : arbitration: 00 .... 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 0FF 0F 0 0 0 0 0 1 1 39 02 0FF 0F 0 0 0 0 0 1 1 31 03 0FF 0F 0 0 0 0 0 1 1 41 04 0FF 0F 0 0 0 0 0 1 1 49 05 000 00 1 0 0 0 0 0 0 00 06 0FF 0F 0 0 0 0 0 1 1 51 07 0FF 0F 0 0 0 0 0 1 1 59 08 0FF 0F 0 0 0 0 0 1 1 61 09 0FF 0F 0 0 0 0 0 1 1 69 0a 000 00 1 0 0 0 0 0 0 00 0b 000 00 1 0 0 0 0 0 0 00 0c 0FF 0F 0 0 0 0 0 1 1 71 0d 0FF 0F 0 0 0 0 0 1 1 79 0e 0FF 0F 0 0 0 0 0 1 1 81 0f 0FF 0F 0 0 0 0 0 1 1 89 10 0FF 0F 1 1 0 1 0 1 1 91 11 0FF 0F 1 1 0 1 0 1 1 99 12 000 00 1 0 0 0 0 0 0 00 13 0FF 0F 1 1 0 1 0 1 1 A1 14 0FF 0F 1 1 0 1 0 1 1 A9 15 0FF 0F 1 1 0 1 0 1 1 B1 16 000 00 1 0 0 0 0 0 0 00 17 0FF 0F 1 1 0 1 0 1 1 B9 IO APIC #3...... .... register #00: 03000000 ....... : physical APIC id: 03 .... register #01: 00178020 ....... : max redirection entries: 0017 ....... : PRQ implemented: 1 ....... : IO APIC version: 0020 .... register #02: 03000000 ....... : arbitration: 03 .... IRQ redirection table: NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect: 00 0FF 0F 1 1 0 1 0 1 1 C1 01 000 00 1 0 0 0 0 0 0 00 02 000 00 1 0 0 0 0 0 0 00 03 000 00 1 0 0 0 0 0 0 00 04 000 00 1 0 0 0 0 0 0 00 05 000 00 1 0 0 0 0 0 0 00 06 000 00 1 0 0 0 0 0 0 00 07 000 00 1 0 0 0 0 0 0 00 08 000 00 1 0 0 0 0 0 0 00 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 000 00 1 0 0 0 0 0 0 00 0d 000 00 1 0 0 0 0 0 0 00 0e 000 00 1 0 0 0 0 0 0 00 0f 000 00 1 0 0 0 0 0 0 00 10 000 00 1 0 0 0 0 0 0 00 11 000 00 1 0 0 0 0 0 0 00 12 000 00 1 0 0 0 0 0 0 00 13 000 00 1 0 0 0 0 0 0 00 14 000 00 1 0 0 0 0 0 0 00 15 000 00 1 0 0 0 0 0 0 00 16 000 00 1 0 0 0 0 0 0 00 17 000 00 1 0 0 0 0 0 0 00 IO APIC #4...... .... register #00: 04000000 ....... : physical APIC id: 04 .... register #01: 00178020 ....... : max redirection entries: 0017 ....... : PRQ implemented: 1 ....... : IO APIC version: 0020 .... register #02: 04000000 ....... : arbitration: 04 .... 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 01 000 00 1 0 0 0 0 0 0 00 02 000 00 1 0 0 0 0 0 0 00 03 000 00 1 0 0 0 0 0 0 00 04 000 00 1 0 0 0 0 0 0 00 05 000 00 1 0 0 0 0 0 0 00 06 000 00 1 0 0 0 0 0 0 00 07 000 00 1 0 0 0 0 0 0 00 08 000 00 1 0 0 0 0 0 0 00 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 000 00 1 0 0 0 0 0 0 00 0d 000 00 1 0 0 0 0 0 0 00 0e 000 00 1 0 0 0 0 0 0 00 0f 000 00 1 0 0 0 0 0 0 00 10 000 00 1 0 0 0 0 0 0 00 11 000 00 1 0 0 0 0 0 0 00 12 000 00 1 0 0 0 0 0 0 00 13 000 00 1 0 0 0 0 0 0 00 14 000 00 1 0 0 0 0 0 0 00 15 000 00 1 0 0 0 0 0 0 00 16 000 00 1 0 0 0 0 0 0 00 17 000 00 1 0 0 0 0 0 0 00 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 IRQ9 -> 0:9 IRQ12 -> 0:12 IRQ13 -> 0:13 IRQ14 -> 0:14 IRQ15 -> 0:15 IRQ16 -> 0:16 IRQ17 -> 0:17 IRQ19 -> 0:19 IRQ20 -> 0:20 IRQ21 -> 0:21 IRQ23 -> 0:23 IRQ24 -> 1:0 .................................... done. Using local APIC timer interrupts. calibrating APIC timer ... ..... CPU clock speed is 1993.4916 MHz. ..... host bus clock speed is 99.6744 MHz. cpu: 0, clocks: 996744, slice: 199348 CPU0 cpu: 1, clocks: 996744, slice: 199348 cpu: 3, clocks: 996744, slice: 199348 cpu: 2, clocks: 996744, slice: 199348 CPU1 CPU2 CPU3 checking TSC synchronization across CPUs: passed. Starting migration thread for cpu 0 smp_num_cpus: 4. Starting migration thread for cpu 1 Starting migration thread for cpu 2 Starting migration thread for cpu 3 PCI: PCI BIOS revision 2.10 entry at 0xfd921, last bus=4 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 PIIX [8086/2480] 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,I31,P0) -> 17 PCI->APIC IRQ transform: (B0,I31,P1) -> 17 PCI->APIC IRQ transform: (B2,I1,P0) -> 24 PCI->APIC IRQ transform: (B4,I3,P0) -> 21 PCI->APIC IRQ transform: (B4,I4,P0) -> 20 PCI->APIC IRQ transform: (B4,I5,P0) -> 23 Output od lspci: 00:00.0 Host bridge: Intel Corp. e7500 [Plumas] DRAM Controller (rev 03) 00:00.1 Class ff00: Intel Corp. e7500 [Plumas] DRAM Controller Error Reporting (rev 03) 00:02.0 PCI bridge: Intel Corp. e7500 [Plumas] HI_B Virtual PCI Bridge (F0) (rev 03) 00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #1) (rev 02) 00:1d.1 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #2) (rev 02) 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 42) 00:1f.0 ISA bridge: Intel Corp. 82801CA ISA Bridge (LPC) (rev 02) 00:1f.1 IDE interface: Intel Corp. 82801CA IDE U100 (rev 02) 00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus (rev 02) 01:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03) 01:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03) 01:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03) 01:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03) 02:01.0 SCSI storage controller: Adaptec AIC-7892A U160/m (rev 02) 04:03.0 VGA compatible controller: ATI Technologies Inc Rage XL (rev 27) 04:04.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 0d) 04:05.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100] (rev 0d) -- Milan Kerslager E-mail: milan.kerslager@pslib.cz WWW: http://www.pslib.cz/~kerslage/