Re: linux-next Regression: Unable to locate IOAPIC

From: Andrew Morton
Date: Fri Jun 06 2008 - 06:18:11 EST


(cc linux-acpi)

On Thu, 5 Jun 2008 11:00:12 +0200 Daniel Exner <dex@xxxxxxxxxxxxxx> wrote:

> Hi!
>
> (Added myself to CC, because I'm not subscribed)
>
> with linux-next snapshot 20080604 my Laptop morphes into sitting duck and I
> think this is due to this:

I assume 2.6.26-rc5 is OK?

> dmesg | grep "GSI 11"
> ACPI: PCI Interrupt 0000:00:11.0[A] -> Link [LNKA] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
> ACPI: PCI Interrupt 0000:00:11.1[B] -> Link [LNKB] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
> ACPI: PCI Interrupt 0000:00:02.0[A] -> Link [LNKG] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
> ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LNKH] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
> ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LNKD] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
> ACPI: PCI Interrupt 0000:02:00.0[A] -> Link [LNKA] -> GSI 11 (level, low) ->
> IRQ 11
> ERROR: Unable to locate IOAPIC for GSI 11
>
> dmesg | grep APIC
> Local APIC disabled by BIOS -- you can enable it with "lapic"
> mapped APIC to ffffb000 (011ed000)
> Local APIC not detected. Using dummy APIC emulation
>
> lspci
> 00:00.0 Host bridge: ALi Corporation M1644/M1644T Northbridge+Trident (rev 01)
> 00:01.0 PCI bridge: ALi Corporation PCI to AGP Controller
> 00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03)
> 00:04.0 IDE interface: ALi Corporation M5229 IDE (rev c3)
> 00:06.0 Multimedia audio controller: ALi Corporation M5451 PCI AC-Link
> Controller Audio Device (rev 01)
> 00:07.0 ISA bridge: ALi Corporation M1533/M1535 PCI to ISA Bridge [Aladdin
> IV/V/V+]
> 00:08.0 Bridge: ALi Corporation M7101 Power Management Controller [PMU]
> 00:0a.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet Pro 100]
> (rev 0d)
> 00:11.0 CardBus bridge: Toshiba America Info Systems ToPIC100 PCI to Cardbus
> Bridge with ZV Support (rev 32)
> 00:11.1 CardBus bridge: Toshiba America Info Systems ToPIC100 PCI to Cardbus
> Bridge with ZV Support (rev 32)
> 01:00.0 VGA compatible controller: Trident Microsystems CyberBlade XPAi1 (rev
> 82)
> 02:00.0 Ethernet controller: Atheros Communications, Inc. AR5212 802.11abg NIC
> (rev 01)
>
> cat /proc/interrupts
> CPU0
> 0: 412517 XT-PIC-XT timer
> 1: 1990 XT-PIC-XT i8042
> 2: 0 XT-PIC-XT cascade
> 3: 2 XT-PIC-XT
> 4: 4 XT-PIC-XT
> 5: 3 XT-PIC-XT
> 6: 5 XT-PIC-XT floppy
> 7: 2 XT-PIC-XT
> 8: 0 XT-PIC-XT rtc0
> 9: 242 XT-PIC-XT acpi
> 10: 2 XT-PIC-XT
> 11: 8465 XT-PIC-XT ohci_hcd:usb1, ALI 5451, yenta, yenta,
> ath, eth0
> 12: 245 XT-PIC-XT i8042
> 14: 6054 XT-PIC-XT ide0
> 15: 28729 XT-PIC-XT ide1
> NMI: 0 Non-maskable interrupts
> LOC: 0 Local timer interrupts
> RES: 0 Rescheduling interrupts
> CAL: 0 function call interrupts
> TLB: 0 TLB shootdowns
> TRM: 0 Thermal event interrupts
> SPU: 0 Spurious interrupts
> ERR: 0
> MIS: 0
>
> cat /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 8
> model name : Pentium III (Coppermine)
> stepping : 10
> cpu MHz : 1095.477
> cache size : 256 KB
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 2
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat
> pse36 mmx fxsr sse up
> bogomips : 2193.07
> clflush size : 32
> power management:
>
>
> AFAIK this chipset doesnt provide a usable IO-APIC, but older Kernels upto
> 2.6.25.4 didn't have a problem with this.
> Will try 2.6.26-rc5 today..
>
> If you want some other infos (config etc.) just let me know.
>

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