Date: Fri, 6 Jun 2008 03:17:18 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: webmaster@dragonslave.de
Cc: Daniel Exner <dex@dragonslave.de>, linux-kernel@vger.kernel.org,
       linux-next@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: linux-next Regression: Unable to locate IOAPIC
Message-Id: <20080606031718.36cbbdc9.akpm@linux-foundation.org>
In-Reply-To: <200806051100.12885.dex@dragonslave.de>
References: <200806051100.12885.dex@dragonslave.de>
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(cc linux-acpi)

On Thu, 5 Jun 2008 11:00:12 +0200 Daniel Exner <dex@dragonslave.de> 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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