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Oracle® Server X5-8 Product Notes

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Updated: August 2021
 
 

Oracle VM Does Not Allocate Enough Interrupts for Multiple Option Cards (20230544)

Running Oracle VM with a large number of PCIe cards installed can cause various symptoms, including:

  • The ethtool command displays speed unknown and duplex unknown.

  • Option cards might not operate as expected.

Workaround

Edit the grub.conf file to add the following kernel boot parameters:

extra_guest_irqs=64,2048 nr_irqs=2048