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Re: failed to allocate interrupt slot for PIC ioapic0 pin 16



On Tue, May 13, 2008 at 01:16:27PM +0200, Thomas Klausner wrote:

> Updating from 4.99.61 to 4.99.62/amd64 gave me:
> 
>  wi0 at pci1 dev 6 function 0: Intersil PRISM2.5 Mini-PCI WLAN (rev. 0x01)
>  APC1: Picked IRQ 16 with weight 0
> -wi0: interrupting at ioapic0 pin 16 (irq 10)
> -wi0: 802.11 address 00:09:5b:2f:0e:76
> -wi0: using RF:PRISM2.5 MAC:ISL3874A(Mini-PCI)
> -wi0: Intersil Firmware: Primary (1.0.7), Station (1.3.6)
> -wi0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> +failed to allocate interrupt slot for PIC ioapic0 pin 16
> +wi0: couldn't establish interrupt at ioapic0 pin 16 (irq 10)
>  wm0 at pci1 dev 7 function 0: Intel i82541PI 1000BASE-T Ethernet, rev. 5
>  APC2: Picked IRQ 17 with weight 0
> -wm0: interrupting at ioapic0 pin 17 (irq 11)
> -wm0: 32-bit 33MHz PCI bus
> -wm0: 64 word (6 address bits) MicroWire EEPROM
> -wm0: Ethernet address 00:0e:0c:b5:53:ac
> -igphy0 at wm0 phy 1: Intel IGP01E1000 Gigabit PHY, rev. 0
> -igphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
> 1000baseT-FDX, auto
> +failed to allocate interrupt slot for PIC ioapic0 pin 17
> +wm0: unable to establish interrupt at ioapic0 pin 17 (irq 11)
> 
> Luckily the builtin nfe still works...

It's running out of interrupt sources. There are now only 9 slots per-CPU
available for dynamic allocation by the ioapic.

Andrew


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