Messages in this thread | | | Date | Sun, 5 Jan 2003 11:11:33 -0800 (PST) | From | "Randy.Dunlap" <> | Subject | Re: [2.5.54 + ACPI] Slow [Was: Re: [2.5.53] So sloowwwww......] |
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On Sun, 5 Jan 2003, Paul Rolland wrote:
| Hello, | > | > Did you try using acpi=no-idle in your kernel append line (if using | > lilo) and see what difference that makes? It works in 2.4. | > | Followed your advice, and due to lack of documentation regarding | the acpi= kernel parameters, I tried : | - acpi=no-idle
This one (above) is the correct syntax. Looking at the code, it only takes effect if you are using only 1 CPU.
| - acpi=noidle | - acpi=no_idle | without success on a 2.5.54 kernel. | | 2.5.54 and ACPI (not only ACPI enumaration) is definitely slow. | Messages at boot : | Machine check exception polling timer started. | CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz stepping 04 | 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 | ..TIMER: vector=0x31 pin1=2 pin2=0 | testing the IO APIC....................... | | WARNING: unexpected IO-APIC, please mail | to linux-smp@vger.kernel.org | .................................... done. | Using local APIC timer interrupts. | calibrating APIC timer ... | ..... CPU clock speed is 2423.0564 MHz. | ..... host bus clock speed is 134.0642 MHz. | Linux NET4.0 for Linux 2.4 | Based upon Swansea University Computer Society NET3.039 | Initializing RT netlink socket | mtrr: v2.0 (20020519) | PCI: PCI BIOS revision 2.10 entry at 0xf11a0, last bus=1 | PCI: Using configuration type 1 | BIO: pool of 256 setup, 14Kb (56 bytes/bio) | biovec pool[0]: 1 bvecs: 256 entries (12 bytes) | biovec pool[1]: 4 bvecs: 256 entries (48 bytes) | biovec pool[2]: 16 bvecs: 256 entries (192 bytes) | biovec pool[3]: 64 bvecs: 256 entries (768 bytes) | biovec pool[4]: 128 bvecs: 256 entries (1536 bytes) | biovec pool[5]: 256 bvecs: 256 entries (3072 bytes) | ACPI: Subsystem revision 20021217 | ACPI-0262: *** Info: GPE Block0 defined as GPE0 to GPE15 | ACPI-0262: *** Info: GPE Block1 defined as GPE16 to GPE31 | ACPI: Interpreter enabled | ACPI: Using IOAPIC for interrupt routing | ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 7 10 *11 12 14 15) | ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 *5 6 7 10 11 12 14 15) | ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 *7 10 11 12 14 15) | ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 7 *10 11 12 14 15) | ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 7 10 11 12 14 15, enabled | at IRQ 9) | ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 7 10 11 12 14 15, enabled | at IRQ 9) | ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 7 10 11 12 14 15, enabled | at IRQ 9) | ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 7 10 11 12 14 15, enabled | at IRQ 9) | ACPI: PCI Root Bridge [PCI0] (00:00) | PCI: Probing PCI hardware (bus 00)
-- ~Randy
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