Re: [Xen-devel] Slow boot with 2.6.37-rc4

[M A Young <m.a.young@xxxxxxxxxxxx>]

On Fri, 3 Dec 2010, Konrad Rzeszutek Wilk wrote:

> Can you pass in pci=nomsi on the Linux kernel line just to see if it is
> indeed MSI (or vector) related.
I still see the delay with pci=nomsi. The dmseg output from that boot is 
attached.
> And also under the Xen hypervisor serial line print out the PCI MSI irq and IRQ 
> vectors
> values? Don't remember the debug keys - but the point is to see if for your 
> AHCI controller:
> 0000:00:1f.2 and 0000:00:1f.1, there is an MSI vector allocated for it.
I tried various xm debug-keys (M,Q,i and z) on a boot without 
pci=nomsi. The output of xm dmesg afterwards is attached.
        Michael Young

xen.dmesg.nomsi
Description: Text document

dmesg.debugkeys
Description: Text document

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