Re: [Xen-users] dom0 crash, require assistance interpretting logs and config suggestions

[Ben Holt <ben@xxxxxxxxxxxxxxxx>]

Pasi Kärkkäinen said the following:

On Mon, Apr 12, 2010 at 02:47:19PM -0700, Ben Holt wrote:
  

   Pasi Kärkkäinen wrote:

 On Sun, Apr 11, 2010 at 01:12:09PM -0700, Ben Holt wrote:


 From /var/log/syslog:

 Apr 11 04:22:29 xenserver kernel: [277113.497127] irq 22: nobody cared
 (try booting with the "irqpoll" option)
 Apr 11 04:22:29 xenserver kernel: [277113.497144] Pid: 0, comm: swapper
 Not tainted 2.6.26-2-xen-amd64 #1



 So I assume this is the host/dom0 kernel.


   Yes.

 What device is using IRQ 22?
 Try checking from /proc/interrupts or from lspci.

 Is it a shared IRQ (multiple devices using the same IRQ)?


   IRQ 22 is being shared between the SATA controller and a NIC.

   Both /proc/interrupts and lspci are posted below, I should have mentioned
   as much in my first message.

   Thanks for your response.

    

Is this onboard NIC? Or additional PCI card? Can you move it to a different PCI slot? 

-- Pasi

  

It's a PCI NIC.  Unfortunately the other available slots (there are only three on this MB) are being used by the MPEG encoders.  I have a free PCI express slot I could use for a PCIe NIC if necessary.  Whether moving to a PCIe NIC would actually free up an IRQ is hard to say, though for the price of a NIC it is probably worth trying.

- Ben

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