From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Rose Subject: unexpected IO-APIC Date: 16 Sep 2002 15:54:00 +0200 Sender: linux-smp-owner@vger.kernel.org Message-ID: <1032184444.3699.16.camel@vilm> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: List-Id: Content-Type: text/plain; charset="iso-8859-1" To: linux-smp@vger.kernel.org Hi, I am working with linux-2.4.20-pre7 an a PC with an ABIT-KX7-333-Motherboard. If I enable APIC and IOAPIC in the linux configuration (in .config I found: =2E.. CONFIG_X86_GOOD_APIC=3Dy =2E.. CONFIG_X86_UP_APIC=3Dy CONFIG_X86_UP_IOAPIC=3Dy CONFIG_X86_LOCAL_APIC=3Dy CONFIG_X86_IO_APIC=3Dy =2E..), the IRQ distribution looks nice 0: 249823 IO-APIC-edge timer 1: 10200 IO-APIC-edge keyboard 2: 0 XT-PIC cascade 8: 13 IO-APIC-edge rtc 9: 0 IO-APIC-edge acpi 12: 5206 IO-APIC-edge PS/2 Mouse 14: 9521 IO-APIC-edge ide0 15: 7 IO-APIC-edge ide1 17: 190 IO-APIC-level aic7xxx 18: 8 IO-APIC-level ide2 19: 8819 IO-APIC-level es1371, eth0 21: 0 IO-APIC-level usb-uhci, usb-uhci NMI: 0=20 LOC: 249762=20 ERR: 0 MIS: 0 but I get problems (=B4mke2fs -c /dev/hde1=B4 gives endless 'lost interrups') with the additional IDE controller (ide2,ide3) and the following messages during booting: 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 =2E..changing IO-APIC physical APIC ID to 2 ... ok. init IO_APIC IRQs IO-APIC (apicid-pin) 2-0, 2-5, 2-11, 2-20, 2-22, 2-23 not connected. =2E.TIMER: vector=3D0x31 pin1=3D2 pin2=3D0 number of MP IRQ sources: 22. number of IO-APIC #2 registers: 24. testing the IO APIC....................... IO APIC #2...... =2E... register #00: 02000000 =2E...... : physical APIC id: 02 =2E... register #01: 00178002 =2E...... : max redirection entries: 0017 =2E...... : PRQ implemented: 1 =2E...... : IO APIC version: 0002 WARNING: unexpected IO-APIC, please mail to linux-smp@vger.kernel.org =2E... IRQ redirection table: NR Log Phy Mask Trig IRR Pol Stat Dest Deli Vect: =20 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 09 001 01 0 0 0 0 0 1 1 69 0a 001 01 1 1 0 1 0 1 1 71 0b 000 00 1 0 0 0 0 0 0 00 0c 001 01 0 0 0 0 0 1 1 79 0d 001 01 0 0 0 0 0 1 1 81 0e 001 01 0 0 0 0 0 1 1 89 0f 001 01 0 0 0 0 0 1 1 91 10 001 01 1 1 0 1 0 1 1 99 11 001 01 1 1 0 1 0 1 1 A1 12 001 01 1 1 0 1 0 1 1 A9 13 001 01 1 1 0 1 0 1 1 B1 14 000 00 1 0 0 0 0 0 0 00 15 001 01 1 1 0 1 0 1 1 B9 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 IRQ10 -> 0:10 IRQ12 -> 0:12 IRQ13 -> 0:13 IRQ14 -> 0:14 IRQ15 -> 0:15 IRQ16 -> 0:16 IRQ17 -> 0:17 IRQ18 -> 0:18 IRQ19 -> 0:19 IRQ21 -> 0:21 =2E................................... done. Using local APIC timer interrupts. calibrating APIC timer ... =2E.... CPU clock speed is 1534.0355 MHz. =2E.... host bus clock speed is 266.7888 MHz. cpu: 0, clocks: 2667888, slice: 1333944 CPU0 If I disable APIC and IOAPIC, I have five devices (iac7xxx, usb-uhci, usb-uhci, es1371, eth0) controlled by by IRQ11, but everythings seems t= o work perfectly. With best regards Juergen