Fwd: Avoid sharing interrupts in FreeBSD under ESXi
C. L. Martinez
carlopmart at gmail.com
Tue Jun 18 08:17:00 UTC 2013
Hi all,
First, sorry for the cross-posting.
I have installed a FreeBSD 8.4 vm under an ESXi 5.1 U1 server. All
works ok, except for interrupt usage between mpt and nic interfaces:
root at fbsdtst:~ # vmstat -i
interrupt total rate
irq1: atkbd0 6 0
irq6: fdc0 9 0
irq16: em2 mpt2 945924 1
irq17: em3 em6 2124484 4
irq18: em0 em4 em7+ 5950584 11
irq19: em1 em5 em8+ 2317830055 4499
cpu0: timer 206119496 400
Total 2532970558 4916
I have enabled the following options in loader.conf:
hw.pci.enable_msi="0"
hw.pci.enable_msix="0"
without a result. Is it possible to avoid to share interrupts in
FreeBSD when it is running as a vm? Exists some kernel option to
resolve this (via sysctl or compiling a new kernel)?
Thanks.
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